Uses of Class
java.lang.Class
Packages that use Class
Package
Description
Provides a collection of interfaces and classes that compose the Java Accessibility
Utilities.
Provides interfaces to represent source code as abstract syntax
trees (AST).
Contains all of the classes for creating user interfaces and for painting
graphics and images.
Provides interfaces and classes for transferring data between and within
applications.
Drag and Drop is a direct manipulation gesture found in many Graphical User
Interface systems that provides a mechanism to transfer information between
two entities logically associated with presentation elements in the GUI.
Provides classes and interfaces for producing rendering-independent images.
Contains classes related to developing beans -- components based on
the JavaBeans architecture.
Provides classes and interfaces relating to bean context.
Provides for system input and output through data streams,
serialization and the file system.
Provides classes that are fundamental to the design of the Java
programming language.
Provides library support for the Java programming language
annotation facility.
Provides services that allow Java programming language agents to instrument
programs running on the JVM.
The
java.lang.invoke package provides low-level primitives for interacting
with the Java Virtual Machine.Provides the management interfaces for monitoring and management of the
Java virtual machine and other components in the Java runtime.
Provides classes and interfaces for obtaining reflective information about
classes and objects.
The
java.lang.runtime package provides low-level runtime support
for the Java language.Provides the classes for implementing networking applications.
Defines interfaces and classes for the Java virtual machine to access files,
file attributes, and file systems.
Service-provider classes for the
java.nio.file package.Provides classes and interfaces for supporting the server side of RMI.
Provides the classes and interfaces for the security framework.
Provides the API for accessing and processing data stored in a
data source (usually a relational database) using the
Java programming language.
Contains the collections framework, some internationalization support classes,
a service loader, properties, random number generation, string parsing
and scanning classes, base64 encoding and decoding, a bit array, and
several miscellaneous utility classes.
A small toolkit of classes that support lock-free thread-safe
programming on single variables.
This package allows applications to store and retrieve user and system
preference and configuration data.
Facilities for declaring annotation processors and for
allowing annotation processors to communicate with an annotation processing
tool environment.
Provides the classes and interfaces for cryptographic
operations.
A package of the Java Image I/O API dealing with reading and writing
metadata.
A package of the Java Image I/O API containing the plug-in interfaces for
readers, writers, transcoders, and streams, and a runtime registry.
Types and hierarchies of packages comprising a Java language model, a model of the declarations and types of the Java
programming language.
Interfaces used to model elements of the Java programming language.
Interfaces used to model Java programming language types.
Provides the core classes for the Java Management Extensions.
Provides the classes which implement advanced dynamic
loading.
Provides the open data types and Open MBean descriptor classes.
Provides the means for dynamically plugging in support for accessing
naming and directory services through the
javax.naming
and related packages.Provides the principal classes and interfaces for the Java Print
Service API.
Provides classes and interfaces that describe the types of Java Print
Service attributes and how they can be collected into attribute sets.
Package
javax.print.attribute.standard contains classes for specific
printing attributes.The scripting API consists of interfaces and classes that define
Java Scripting Engines and provides
a framework for their use in Java applications.
This package provides a framework for authentication and
authorization.
Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI
(Musical Instrument Digital Interface) data.
Provides interfaces and classes for capture, processing, and playback of
sampled audio data.
Provides the API for server side data source access and processing from
the Java programming language.
Standard interfaces and base classes for JDBC
RowSet
implementations.Provides utility classes to allow serializable mappings between SQL types
and data types in the Java programming language.
Provides a set of "lightweight" (all-Java language) components
that, to the maximum degree possible, work the same on all platforms.
Provides for events fired by Swing components.
Synth is a skinnable look and feel in which all painting is delegated.
Provides classes and interfaces for dealing with
javax.swing.JTable.Provides classes and interfaces that deal with editable and noneditable text
components.
Provides classes and interfaces for dealing with
javax.swing.JTree.Provides interfaces for tools which can be invoked from a program,
for example, compilers.
Provides an object-model neutral API for the
evaluation of XPath expressions and access to the evaluation
environment.
Contains the linker for ordinary Java objects.
Contains interfaces and classes needed by language runtimes to implement
their own language-specific object models and type conversions.
Contains classes that make it more convenient for language runtimes to
implement their own language-specific object models and type conversions
by providing basic implementations of some classes as well as various
utilities.
Classes to support low-level and efficient foreign memory/function access, directly from Java.
Incubating Feature. Will be removed in a future release.
This package provides classes to create events and control Flight Recorder.
This package contains classes for consuming Flight Recorder data.
Provides implementation support for building JShell execution engines.
Platform specific socket options for the
java.net and java.nio.channels
socket classes.-
Uses of Class in com.sun.java.accessibility.util
Methods in com.sun.java.accessibility.util that return ClassModifier and TypeMethodDescriptionprotected static Class<?>Translator.getTranslatorClass(Class<?> c) Find a translator for this class.Methods in com.sun.java.accessibility.util with parameters of type ClassModifier and TypeMethodDescriptionvoidAccessibilityListenerList.add(Class<? extends EventListener> t, EventListener l) Add the listener as a listener of the specified type.intAccessibilityListenerList.getListenerCount(Class<? extends EventListener> t) Return the total number of listeners of the supplied type for this listener list.protected static Class<?>Translator.getTranslatorClass(Class<?> c) Find a translator for this class.voidAccessibilityListenerList.remove(Class<? extends EventListener> t, EventListener l) Remove the listener as a listener of the specified type. -
Uses of Class in com.sun.source.tree
Methods in com.sun.source.tree that return ClassModifier and TypeMethodDescriptionTree.Kind.asInterface()Returns the associated interface type that uses this kind. -
Uses of Class in java.awt
Modifier and TypeMethodDescription<T extends DragGestureRecognizer>
TToolkit.createDragGestureRecognizer(Class<T> abstractRecognizerClass, DragSource ds, Component c, int srcActions, DragGestureListener dgl) Creates a concrete, platform dependent, subclass of the abstract DragGestureRecognizer class requested, and associates it with the DragSource, Component and DragGestureListener specified.static <T extends EventListener>
T[]AWTEventMulticaster.getListeners(EventListener l, Class<T> listenerType) Returns an array of all the objects chained asFooListeners by the specifiedjava.util.EventListener.<T extends EventListener>
T[]Button.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon thisButton.<T extends EventListener>
T[]Checkbox.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon thisCheckbox.<T extends EventListener>
T[]CheckboxMenuItem.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon thisCheckboxMenuItem.<T extends EventListener>
T[]Choice.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon thisChoice.<T extends EventListener>
T[]Component.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon thisComponent.<T extends EventListener>
T[]Container.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon thisContainer.<T extends EventListener>
T[]List.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon thisList.<T extends EventListener>
T[]MenuItem.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon thisMenuItem.<T extends EventListener>
T[]Scrollbar.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon thisScrollbar.<T extends EventListener>
T[]TextComponent.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon thisTextComponent.<T extends EventListener>
T[]TextField.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon thisTextField.<T extends EventListener>
T[]Window.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon thisWindow.protected static voidAWTKeyStroke.registerSubclass(Class<?> subclass) Deprecated. -
Uses of Class in java.awt.datatransfer
Methods in java.awt.datatransfer that return ClassModifier and TypeMethodDescriptionfinal Class<?>DataFlavor.getDefaultRepresentationClass()Returns the default representation class.Class<?>DataFlavor.getRepresentationClass()Returns theClasswhich objects supporting thisDataFlavorwill return when thisDataFlavoris requested.protected static final Class<?>DataFlavor.tryToLoadClass(String className, ClassLoader fallback) Tries to load a class from: the bootstrap loader, the system loader, the context loader (if one is present) and finally the loader specified.Constructors in java.awt.datatransfer with parameters of type ClassModifierConstructorDescriptionDataFlavor(Class<?> representationClass, String humanPresentableName) Constructs aDataFlavorthat represents a Java class. -
Uses of Class in java.awt.dnd
Methods in java.awt.dnd with parameters of type ClassModifier and TypeMethodDescription<T extends DragGestureRecognizer>
TDragSource.createDragGestureRecognizer(Class<T> recognizerAbstractClass, Component c, int actions, DragGestureListener dgl) Creates a newDragGestureRecognizerthat implements the specified abstract subclass ofDragGestureRecognizer, and sets the specifiedComponentandDragGestureListeneron the newly created object.<T extends EventListener>
T[]DragSource.getListeners(Class<T> listenerType) Gets all the objects currently registered asFooListeners upon thisDragSource. -
Uses of Class in java.awt.image.renderable
Methods in java.awt.image.renderable that return ClassModifier and TypeMethodDescriptionClass<?>[]ParameterBlock.getParamClasses()Returns an array of Class objects describing the types of the parameters. -
Uses of Class in java.beans
Methods in java.beans that return ClassModifier and TypeMethodDescriptionClass<?>BeanDescriptor.getBeanClass()Gets the bean's Class object.Class<?>BeanDescriptor.getCustomizerClass()Gets the Class object for the bean's customizer.Class<?>IndexedPropertyDescriptor.getIndexedPropertyType()Returns the Java type info for the indexed property.Class<?>EventSetDescriptor.getListenerType()Gets theClassobject for the target interface.Class<?>PropertyDescriptor.getPropertyEditorClass()Gets any explicit PropertyEditor Class that has been registered for this property.Class<?>PropertyDescriptor.getPropertyType()Returns the Java type info for the property.Methods in java.beans with parameters of type ClassModifier and TypeMethodDescriptionstatic <T> TCreates an implementation oflistenerInterfacein which all of the methods in the listener interface apply the handler'sactionto thetarget.static <T> TEventHandler.create(Class<T> listenerInterface, Object target, String action, String eventPropertyName) /** Creates an implementation oflistenerInterfacein which all of the methods pass the value of the event expression,eventPropertyName, to the final method in the statement,action, which is applied to thetarget.static <T> TEventHandler.create(Class<T> listenerInterface, Object target, String action, String eventPropertyName, String listenerMethodName) Creates an implementation oflistenerInterfacein which the method namedlistenerMethodNamepasses the value of the event expression,eventPropertyName, to the final method in the statement,action, which is applied to thetarget.static PropertyEditorPropertyEditorManager.findEditor(Class<?> targetType) Locate a value editor for a given target type.static voidIntrospector.flushFromCaches(Class<?> clz) Flush the Introspector's internal cached information for a given class.static BeanInfoIntrospector.getBeanInfo(Class<?> beanClass) Introspect on a Java Bean and learn about all its properties, exposed methods, and events.static BeanInfoIntrospector.getBeanInfo(Class<?> beanClass, int flags) Introspect on a Java bean and learn about all its properties, exposed methods, and events, subject to some control flags.static BeanInfoIntrospector.getBeanInfo(Class<?> beanClass, Class<?> stopClass) Introspect on a Java bean and learn all about its properties, exposed methods, below a given "stop" point.static BeanInfoIntrospector.getBeanInfo(Class<?> beanClass, Class<?> stopClass, int flags) Introspect on a Java Bean and learn about all its properties, exposed methods and events, below a givenstopClasspoint subject to some controlflags.static ObjectBeans.getInstanceOf(Object bean, Class<?> targetType) From a given bean, obtain an object representing a specified type view of that source object.Encoder.getPersistenceDelegate(Class<?> type) Returns the persistence delegate for the given type.protected voidDefaultPersistenceDelegate.initialize(Class<?> type, Object oldInstance, Object newInstance, Encoder out) This default implementation of theinitializemethod assumes all state held in objects of this type is exposed via the matching pairs of "setter" and "getter" methods in the order they are returned by the Introspector.protected voidPersistenceDelegate.initialize(Class<?> type, Object oldInstance, Object newInstance, Encoder out) Produce a series of statements with side effects onnewInstanceso that the new instance becomes equivalent tooldInstance.static booleanBeans.isInstanceOf(Object bean, Class<?> targetType) Check if a bean can be viewed as a given target type.static voidPropertyEditorManager.registerEditor(Class<?> targetType, Class<?> editorClass) Registers an editor class to edit values of the given target class.voidEncoder.setPersistenceDelegate(Class<?> type, PersistenceDelegate delegate) Associates the specified persistence delegate with the given type.voidPropertyDescriptor.setPropertyEditorClass(Class<?> propertyEditorClass) Normally PropertyEditors will be found using the PropertyEditorManager.Constructors in java.beans with parameters of type ClassModifierConstructorDescriptionBeanDescriptor(Class<?> beanClass) Create a BeanDescriptor for a bean that doesn't have a customizer.BeanDescriptor(Class<?> beanClass, Class<?> customizerClass) Create a BeanDescriptor for a bean that has a customizer.EventSetDescriptor(Class<?> sourceClass, String eventSetName, Class<?> listenerType, String listenerMethodName) Creates anEventSetDescriptorassuming that you are following the most simple standard design pattern where a named event "fred" is (1) delivered as a call on the single method of interface FredListener, (2) has a single argument of type FredEvent, and (3) where the FredListener may be registered with a call on an addFredListener method of the source component and removed with a call on a removeFredListener method.EventSetDescriptor(Class<?> sourceClass, String eventSetName, Class<?> listenerType, String[] listenerMethodNames, String addListenerMethodName, String removeListenerMethodName) Creates anEventSetDescriptorfrom scratch using string names.EventSetDescriptor(Class<?> sourceClass, String eventSetName, Class<?> listenerType, String[] listenerMethodNames, String addListenerMethodName, String removeListenerMethodName, String getListenerMethodName) This constructor creates an EventSetDescriptor from scratch using string names.EventSetDescriptor(String eventSetName, Class<?> listenerType, MethodDescriptor[] listenerMethodDescriptors, Method addListenerMethod, Method removeListenerMethod) Creates anEventSetDescriptorfrom scratch usingjava.lang.reflect.MethodDescriptorandjava.lang.Classobjects.EventSetDescriptor(String eventSetName, Class<?> listenerType, Method[] listenerMethods, Method addListenerMethod, Method removeListenerMethod) Creates anEventSetDescriptorfrom scratch usingjava.lang.reflect.Methodandjava.lang.Classobjects.EventSetDescriptor(String eventSetName, Class<?> listenerType, Method[] listenerMethods, Method addListenerMethod, Method removeListenerMethod, Method getListenerMethod) This constructor creates an EventSetDescriptor from scratch using java.lang.reflect.Method and java.lang.Class objects.IndexedPropertyDescriptor(String propertyName, Class<?> beanClass) This constructor constructs an IndexedPropertyDescriptor for a property that follows the standard Java conventions by having getFoo and setFoo accessor methods, for both indexed access and array access.IndexedPropertyDescriptor(String propertyName, Class<?> beanClass, String readMethodName, String writeMethodName, String indexedReadMethodName, String indexedWriteMethodName) This constructor takes the name of a simple property, and method names for reading and writing the property, both indexed and non-indexed.PropertyDescriptor(String propertyName, Class<?> beanClass) Constructs a PropertyDescriptor for a property that follows the standard Java convention by having getFoo and setFoo accessor methods.PropertyDescriptor(String propertyName, Class<?> beanClass, String readMethodName, String writeMethodName) This constructor takes the name of a simple property, and method names for reading and writing the property. -
Uses of Class in java.beans.beancontext
Fields in java.beans.beancontext declared as ClassModifier and TypeFieldDescriptionprotected Class<?>BeanContextServiceAvailableEvent.serviceClassAClassreference to the newly available serviceprotected Class<?>BeanContextServiceRevokedEvent.serviceClassAClassreference to the service that is being revoked.Methods in java.beans.beancontext that return ClassModifier and TypeMethodDescriptionClass<?>BeanContextServiceAvailableEvent.getServiceClass()Gets the service class that is the subject of this notification.Class<?>BeanContextServiceRevokedEvent.getServiceClass()Gets the service class that is the subject of this notificationMethods in java.beans.beancontext with parameters of type ClassModifier and TypeMethodDescriptionbooleanBeanContextServices.addService(Class<?> serviceClass, BeanContextServiceProvider serviceProvider) Adds a service to this BeanContext.booleanBeanContextServicesSupport.addService(Class<?> serviceClass, BeanContextServiceProvider bcsp) add a serviceprotected booleanBeanContextServicesSupport.addService(Class<?> serviceClass, BeanContextServiceProvider bcsp, boolean fireEvent) add a serviceprotected static final booleanBeanContextSupport.classEquals(Class<?> first, Class<?> second) Tests to see if two class objects, or their names are equal.BeanContextServicesSupport.createBCSSServiceProvider(Class<?> sc, BeanContextServiceProvider bcsp) subclasses can override this method to create new subclasses of BCSSServiceProvider without having to override addService() in order to instantiate.protected final voidBeanContextServicesSupport.fireServiceAdded(Class<?> serviceClass) Fires aBeanContextServiceEventnotifying of a new service.protected final voidBeanContextServicesSupport.fireServiceRevoked(Class<?> serviceClass, boolean revokeNow) Fires aBeanContextServiceRevokedEventindicating that a particular service is no longer available.Iterator<?>BeanContextServiceProvider.getCurrentServiceSelectors(BeanContextServices bcs, Class<?> serviceClass) Invoked byBeanContextServices, this method gets the current service selectors for the specified service.Iterator<?>BeanContextServices.getCurrentServiceSelectors(Class<?> serviceClass) Gets the list of service dependent service parameters (Service Selectors) for the specified service, by calling getCurrentServiceSelectors() on the underlying BeanContextServiceProvider.Iterator<?>BeanContextServicesSupport.BCSSProxyServiceProvider.getCurrentServiceSelectors(BeanContextServices bcs, Class<?> serviceClass) Iterator<?>BeanContextServicesSupport.getCurrentServiceSelectors(Class<?> serviceClass) BeanContextServiceProvider.getService(BeanContextServices bcs, Object requestor, Class<?> serviceClass, Object serviceSelector) Invoked byBeanContextServices, this method requests an instance of a service from thisBeanContextServiceProvider.BeanContextServices.getService(BeanContextChild child, Object requestor, Class<?> serviceClass, Object serviceSelector, BeanContextServiceRevokedListener bcsrl) ABeanContextChild, or any arbitrary object associated with aBeanContextChild, may obtain a reference to a currently registered service from its nestingBeanContextServicesvia invocation of this method.BeanContextServicesSupport.BCSSProxyServiceProvider.getService(BeanContextServices bcs, Object requestor, Class<?> serviceClass, Object serviceSelector) BeanContextServicesSupport.getService(BeanContextChild child, Object requestor, Class<?> serviceClass, Object serviceSelector, BeanContextServiceRevokedListener bcsrl) obtain a service which may be delegatedbooleanBeanContextServices.hasService(Class<?> serviceClass) Reports whether or not a given service is currently available from this context.booleanBeanContextServicesSupport.hasService(Class<?> serviceClass) has a service, which may be delegatedbooleanBeanContextServiceRevokedEvent.isServiceClass(Class<?> service) Checks this event to determine whether or not the service being revoked is of a particular class.voidBeanContextServices.revokeService(Class<?> serviceClass, BeanContextServiceProvider serviceProvider, boolean revokeCurrentServicesNow) BeanContextServiceProviders wishing to remove a currently registered service from this context may do so via invocation of this method.voidBeanContextServicesSupport.revokeService(Class<?> serviceClass, BeanContextServiceProvider bcsp, boolean revokeCurrentServicesNow) remove a serviceConstructors in java.beans.beancontext with parameters of type ClassModifierConstructorDescriptionBeanContextServiceAvailableEvent(BeanContextServices bcs, Class<?> sc) Construct aBeanContextAvailableServiceEvent.BeanContextServiceRevokedEvent(BeanContextServices bcs, Class<?> sc, boolean invalidate) Construct aBeanContextServiceEvent. -
Uses of Class in java.io
Modifier and TypeMethodDescriptionClass<?>ObjectStreamClass.forClass()Return the class in the local VM that this version is mapped to.Class<?>ObjectStreamField.getType()Get the type of the field.protected Class<?>ObjectInputStream.resolveClass(ObjectStreamClass desc) Load the local class equivalent of the specified stream class description.protected Class<?>ObjectInputStream.resolveProxyClass(String[] interfaces) Returns a proxy class that implements the interfaces named in a proxy class descriptor; subclasses may implement this method to read custom data from the stream along with the descriptors for dynamic proxy classes, allowing them to use an alternate loading mechanism for the interfaces and the proxy class.Class<?>ObjectInputFilter.FilterInfo.serialClass()The class of an object being deserialized.Modifier and TypeMethodDescriptionprotected voidObjectOutputStream.annotateClass(Class<?> cl) Subclasses may implement this method to allow class data to be stored in the stream.protected voidObjectOutputStream.annotateProxyClass(Class<?> cl) Subclasses may implement this method to store custom data in the stream along with descriptors for dynamic proxy classes.static ObjectStreamClassFind the descriptor for a class that can be serialized.static ObjectStreamClassReturns the descriptor for any class, regardless of whether it implementsSerializable.Modifier and TypeMethodDescriptionstatic ObjectInputFilterObjectInputFilter.allowFilter(Predicate<Class<?>> predicate, ObjectInputFilter.Status otherStatus) Returns a filter that returnsStatus.ALLOWEDif the predicate on the class istrue.static ObjectInputFilterObjectInputFilter.rejectFilter(Predicate<Class<?>> predicate, ObjectInputFilter.Status otherStatus) Returns a filter that returnsStatus.REJECTEDif the predicate on the class istrue.ModifierConstructorDescriptionObjectStreamField(String name, Class<?> type) Create a Serializable field with the specified type.ObjectStreamField(String name, Class<?> type, boolean unshared) Creates an ObjectStreamField representing a serializable field with the given name and type. -
Uses of Class in java.lang
Modifier and TypeFieldDescriptionBoolean.TYPEThe Class object representing the primitive type boolean.Byte.TYPETheClassinstance representing the primitive typebyte.Character.TYPETheClassinstance representing the primitive typechar.Double.TYPETheClassinstance representing the primitive typedouble.Float.TYPETheClassinstance representing the primitive typefloat.Integer.TYPETheClassinstance representing the primitive typeint.Long.TYPETheClassinstance representing the primitive typelong.Short.TYPETheClassinstance representing the primitive typeshort.Void.TYPETheClassobject representing the pseudo-type corresponding to the keywordvoid.Modifier and TypeMethodDescriptionClass<?>Class.arrayType()Returns aClassfor an array type whose component type is described by this Class.<U> Class<? extends U>Class.asSubclass(Class<U> clazz) Casts thisClassobject to represent a subclass of the class represented by the specified class object.Class<?>Class.componentType()Returns the component type of thisClass, if it describes an array type, ornullotherwise.protected final Class<?>ClassLoader.defineClass(byte[] b, int off, int len) Deprecated.protected final Class<?>ClassLoader.defineClass(String name, byte[] b, int off, int len) Converts an array of bytes into an instance of classClass.protected final Class<?>ClassLoader.defineClass(String name, byte[] b, int off, int len, ProtectionDomain protectionDomain) Converts an array of bytes into an instance of classClass, with a givenProtectionDomain.protected final Class<?>ClassLoader.defineClass(String name, ByteBuffer b, ProtectionDomain protectionDomain) EnumConstantNotPresentException.enumType()Returns the type of the missing enum constant.protected Class<?>Finds the class with the specified binary name.protected Class<?>Finds the class with the given binary name in a module defined to this class loader.protected final Class<?>ClassLoader.findLoadedClass(String name) Returns the class with the given binary name if this loader has been recorded by the Java virtual machine as an initiating loader of a class with that binary name.protected final Class<?>ClassLoader.findSystemClass(String name) Finds a class with the specified binary name, loading it if necessary.static Class<?>Returns theClasswith the given binary name in the given module.static Class<?>Returns theClassobject associated with the class or interface with the given string name.static Class<?>Class.forName(String name, boolean initialize, ClassLoader loader) Returns theClassobject associated with the class or interface with the given string name, using the given class loader.Class<?>StackWalker.getCallerClass()Gets theClassobject of the caller who invoked the method that invokedgetCallerClass.final Class<?>Object.getClass()Returns the runtime class of thisObject.protected Class<?>[]SecurityManager.getClassContext()Deprecated, for removal: This API element is subject to removal in a future version.Returns the current execution stack as an array of classes.Class<?>[]Class.getClasses()Returns an array containingClassobjects representing all the public classes and interfaces that are members of the class represented by thisClassobject.Class<?>Class.getComponentType()Returns theClassrepresenting the component type of an array.Class<?>[]Class.getDeclaredClasses()Returns an array ofClassobjects reflecting all the classes and interfaces declared as members of the class represented by thisClassobject.Class<?>Class.getDeclaringClass()If the class or interface represented by thisClassobject is a member of another class, returns theClassobject representing the class in which it was declared.Enum.getDeclaringClass()Returns the Class object corresponding to this enum constant's enum type.Class<?>StackWalker.StackFrame.getDeclaringClass()Gets the declaringClassfor the method represented by this stack frame.Class<?>Class.getEnclosingClass()Returns the immediately enclosing class of the underlying class.Class<?>[]Class.getInterfaces()Returns the interfaces directly implemented by the class or interface represented by thisClassobject.Class<?>Class.getNestHost()Returns the nest host of the nest to which the class or interface represented by thisClassobject belongs.Class<?>[]Class.getNestMembers()Returns an array containingClassobjects representing all the classes and interfaces that are members of the nest to which the class or interface represented by thisClassobject belongs.Class<?>[]Class.getPermittedSubclasses()Returns an array containingClassobjects representing the direct subinterfaces or subclasses permitted to extend or implement this class or interface if it is sealed.Class.getSuperclass()Returns theClassrepresenting the direct superclass of the entity (class, interface, primitive type or void) represented by thisClass.Class<?>Loads the class with the specified binary name.protected Class<?>Loads the class with the specified binary name.Modifier and TypeMethodDescriptionTypeVariable<Class<T>>[]Class.getTypeParameters()Returns an array ofTypeVariableobjects that represent the type variables declared by the generic declaration represented by thisGenericDeclarationobject, in declaration order.Modifier and TypeMethodDescriptionIf the caller's module is this module then update this module to add a service dependence on the given service type.<U> Class<? extends U>Class.asSubclass(Class<U> clazz) Casts thisClassobject to represent a subclass of the class represented by the specified class object.booleanIndicates if this module has a service dependence on the given service type.static booleanCompiler.compileClass(Class<?> clazz) Deprecated, for removal: This API element is subject to removal in a future version.Compiles the specified class.protected abstract TClassValue.computeValue(Class<?> type) Computes the given class's derived value for thisClassValue.Returns the value for the given class.<A extends Annotation>
AClass.getAnnotation(Class<A> annotationClass) Returns this element's annotation for the specified type if such an annotation is present, else null.<T extends Annotation>
TModule.getAnnotation(Class<T> annotationClass) Returns this element's annotation for the specified type if such an annotation is present, else null.<A extends Annotation>
APackage.getAnnotation(Class<A> annotationClass) Returns this element's annotation for the specified type if such an annotation is present, else null.<A extends Annotation>
A[]Class.getAnnotationsByType(Class<A> annotationClass) Returns annotations that are associated with this element.<A extends Annotation>
A[]Package.getAnnotationsByType(Class<A> annotationClass) Returns annotations that are associated with this element.Class.getConstructor(Class<?>... parameterTypes) Returns aConstructorobject that reflects the specified public constructor of the class represented by thisClassobject.<A extends Annotation>
AClass.getDeclaredAnnotation(Class<A> annotationClass) Returns this element's annotation for the specified type if such an annotation is directly present, else null.<A extends Annotation>
APackage.getDeclaredAnnotation(Class<A> annotationClass) Returns this element's annotation for the specified type if such an annotation is directly present, else null.<A extends Annotation>
A[]Class.getDeclaredAnnotationsByType(Class<A> annotationClass) Returns this element's annotation(s) for the specified type if such annotations are either directly present or indirectly present.<A extends Annotation>
A[]Package.getDeclaredAnnotationsByType(Class<A> annotationClass) Class.getDeclaredConstructor(Class<?>... parameterTypes) Returns aConstructorobject that reflects the specified constructor of the class or interface represented by thisClassobject.Class.getDeclaredMethod(String name, Class<?>... parameterTypes) Returns aMethodobject that reflects the specified declared method of the class or interface represented by thisClassobject.Returns aMethodobject that reflects the specified public member method of the class or interface represented by thisClassobject.booleanClass.isAnnotationPresent(Class<? extends Annotation> annotationClass) Returns true if an annotation for the specified type is present on this element, else false.booleanPackage.isAnnotationPresent(Class<? extends Annotation> annotationClass) Returns true if an annotation for the specified type is present on this element, else false.booleanClass.isAssignableFrom(Class<?> cls) Determines if the class or interface represented by thisClassobject is either the same as, or is a superclass or superinterface of, the class or interface represented by the specifiedClassparameter.booleanClass.isNestmateOf(Class<?> c) Determines if the givenClassis a nestmate of the class or interface represented by thisClassobject.voidRemoves the associated value for the given class.protected final voidClassLoader.resolveClass(Class<?> c) Links the specified class.protected final voidClassLoader.setSigners(Class<?> c, Object[] signers) Sets the signers of a class.static <T extends Enum<T>>
TReturns the enum constant of the specified enum class with the specified name.ModifierConstructorDescriptionEnumConstantNotPresentException(Class<? extends Enum> enumType, String constantName) Constructs anEnumConstantNotPresentExceptionfor the specified constant. -
Uses of Class in java.lang.annotation
Methods in java.lang.annotation that return ClassModifier and TypeMethodDescriptionClass<? extends Annotation>Annotation.annotationType()Returns the annotation interface of this annotation.Class<? extends Annotation>IncompleteAnnotationException.annotationType()Returns the Class object for the annotation interface with the missing element.Constructors in java.lang.annotation with parameters of type ClassModifierConstructorDescriptionIncompleteAnnotationException(Class<? extends Annotation> annotationType, String elementName) Constructs an IncompleteAnnotationException to indicate that the named element was missing from the specified annotation interface. -
Uses of Class in java.lang.instrument
Methods in java.lang.instrument that return ClassModifier and TypeMethodDescriptionClass[]Instrumentation.getAllLoadedClasses()Returns an array of all classes currently loaded by the JVM.Class<?>ClassDefinition.getDefinitionClass()Returns the class.Class[]Instrumentation.getInitiatedClasses(ClassLoader loader) Returns an array of all classes whichloadercan find by name viaClassLoader::loadClass,Class::forNameand bytecode linkage.Methods in java.lang.instrument with parameters of type ClassModifier and TypeMethodDescriptionbooleanInstrumentation.isModifiableClass(Class<?> theClass) Tests whether a class is modifiable by retransformation or redefinition.voidInstrumentation.retransformClasses(Class<?>... classes) Retransform the supplied set of classes.default byte[]ClassFileTransformer.transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) Transforms the given class file and returns a new replacement class file.default byte[]ClassFileTransformer.transform(Module module, ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) Transforms the given class file and returns a new replacement class file.Constructors in java.lang.instrument with parameters of type ClassModifierConstructorDescriptionClassDefinition(Class<?> theClass, byte[] theClassFile) Creates a newClassDefinitionbinding using the supplied class and class file bytes. -
Uses of Class in java.lang.invoke
Methods in java.lang.invoke that return ClassModifier and TypeMethodDescriptionClass<?>MethodHandles.Lookup.accessClass(Class<?> targetClass) Determines if a class can be accessed from the lookup context defined by thisLookupobject.Class<?>MethodHandles.Lookup.defineClass(byte[] bytes) Creates and links a class or interface frombyteswith the same class loader and in the same runtime package and protection domain as this lookup's lookup class as if callingClassLoader::defineClass.Class<?>MethodHandles.Lookup.ensureInitialized(Class<?> targetClass) Ensures thattargetClasshas been initialized.Class<?>Looks up a class by name from the lookup context defined by thisLookupobject, as if resolved by anldcinstruction.Class<?>MethodHandleInfo.getDeclaringClass()Returns the class in which the cracked method handle's underlying member was defined.Class<?>MethodType.lastParameterType()Returns the last parameter type of this method type.Class<?>MethodHandles.Lookup.lookupClass()Tells which class is performing the lookup.Class<?>[]MethodType.parameterArray()Presents the parameter types as an array (a convenience method).Class<?>MethodType.parameterType(int num) Returns the parameter type at the specified index, within this method type.Class<?>MethodHandles.Lookup.previousLookupClass()Reports a lookup class in another module that this lookup object was previously teleported from, ornull.static Class<?>ConstantBootstraps.primitiveClass(MethodHandles.Lookup lookup, String name, Class<?> type) Returns aClassmirror for the primitive type whose type descriptor is specified byname.Class<?>MethodType.returnType()Returns the return type of this method type.Class<?>VarHandle.varType()Returns the variable type of variables referenced by this VarHandle.static Class<?>MethodHandleProxies.wrapperInstanceType(Object x) Recovers the unique single-method interface type for which this wrapper instance was created.Methods in java.lang.invoke that return types with arguments of type ClassModifier and TypeMethodDescriptionVarHandle.coordinateTypes()Returns the coordinate types for this VarHandle.MethodType.parameterList()Presents the parameter types as a list (a convenience method).Methods in java.lang.invoke with parameters of type ClassModifier and TypeMethodDescriptionClass<?>MethodHandles.Lookup.accessClass(Class<?> targetClass) Determines if a class can be accessed from the lookup context defined by thisLookupobject.MethodType.appendParameterTypes(Class<?>... ptypesToInsert) Finds or creates a method type with additional parameter types.static MethodHandleMethodHandles.arrayConstructor(Class<?> arrayClass) Produces a method handle constructing arrays of a desired type, as if by theanewarraybytecode.static MethodHandleMethodHandles.arrayElementGetter(Class<?> arrayClass) Produces a method handle giving read access to elements of an array, as if by theaaloadbytecode.static MethodHandleMethodHandles.arrayElementSetter(Class<?> arrayClass) Produces a method handle giving write access to elements of an array, as if by theastorebytecode.static VarHandleMethodHandles.arrayElementVarHandle(Class<?> arrayClass) Produces a VarHandle giving access to elements of an array of typearrayClass.static MethodHandleMethodHandles.arrayLength(Class<?> arrayClass) Produces a method handle returning the length of an array, as if by thearraylengthbytecode.static VarHandleConstantBootstraps.arrayVarHandle(MethodHandles.Lookup lookup, String name, Class<VarHandle> type, Class<?> arrayClass) Finds aVarHandlefor an array type.MethodHandle.asCollector(int collectArgPos, Class<?> arrayType, int arrayLength) Makes an array-collecting method handle, which accepts a given number of positional arguments starting at a given position, and collects them into an array argument.MethodHandle.asCollector(Class<?> arrayType, int arrayLength) Makes an array-collecting method handle, which accepts a given number of trailing positional arguments and collects them into an array argument.static <T> TMethodHandleProxies.asInterfaceInstance(Class<T> intfc, MethodHandle target) Produces an instance of the given single-method interface which redirects its calls to the given method handle.MethodHandle.asSpreader(int spreadArgPos, Class<?> arrayType, int arrayLength) Makes an array-spreading method handle, which accepts an array argument at a given position and spreads its elements as positional arguments in place of the array.MethodHandle.asSpreader(Class<?> arrayType, int arrayLength) Makes an array-spreading method handle, which accepts a trailing array argument and spreads its elements as positional arguments.MethodHandle.asVarargsCollector(Class<?> arrayType) Makes a variable arity adapter which is able to accept any number of trailing positional arguments and collect them into an array argument.static VarHandleMethodHandles.byteArrayViewVarHandle(Class<?> viewArrayClass, ByteOrder byteOrder) Produces a VarHandle giving access to elements of abyte[]array viewed as if it were a different primitive array type, such asint[]orlong[].static VarHandleMethodHandles.byteBufferViewVarHandle(Class<?> viewArrayClass, ByteOrder byteOrder) Produces a VarHandle giving access to elements of aByteBufferviewed as if it were an array of elements of a different primitive component type to that ofbyte, such asint[]orlong[].static MethodHandleMethodHandles.catchException(MethodHandle target, Class<? extends Throwable> exType, MethodHandle handler) Makes a method handle which adapts a target method handle, by running it inside an exception handler.MethodType.changeParameterType(int num, Class<?> nptype) Finds or creates a method type with a single different parameter type.MethodType.changeReturnType(Class<?> nrtype) Finds or creates a method type with a different return type.static <T> TMethodHandles.classData(MethodHandles.Lookup caller, String name, Class<T> type) Returns the class data associated with the lookup class of the givencallerlookup object, ornull.static <T> TMethodHandles.classDataAt(MethodHandles.Lookup caller, String name, Class<T> type, int index) Returns the element at the specified index in the class data, if the class data associated with the lookup class of the givencallerlookup object is aList.static MethodHandleProduces a method handle of the requested return type which returns the given constant value every time it is invoked.static MethodHandleMethodHandles.dropArguments(MethodHandle target, int pos, Class<?>... valueTypes) Produces a method handle which will discard some dummy arguments before calling some other specified target method handle.Class<?>MethodHandles.Lookup.ensureInitialized(Class<?> targetClass) Ensures thattargetClasshas been initialized.static <E extends Enum<E>>
EConstantBootstraps.enumConstant(MethodHandles.Lookup lookup, String name, Class<E> type) Returns anenumconstant of the type specified bytypewith the name specified byname.static ObjectConstantBootstraps.explicitCast(MethodHandles.Lookup lookup, String name, Class<?> dstType, Object value) Applies a conversion from a source type to a destination type.static VarHandleConstantBootstraps.fieldVarHandle(MethodHandles.Lookup lookup, String name, Class<VarHandle> type, Class<?> declaringClass, Class<?> fieldType) Finds aVarHandlefor an instance field.MethodHandles.Lookup.findConstructor(Class<?> refc, MethodType type) Produces a method handle which creates an object and initializes it, using the constructor of the specified type.MethodHandles.Lookup.findGetter(Class<?> refc, String name, Class<?> type) Produces a method handle giving read access to a non-static field.MethodHandles.Lookup.findSetter(Class<?> refc, String name, Class<?> type) Produces a method handle giving write access to a non-static field.MethodHandles.Lookup.findSpecial(Class<?> refc, String name, MethodType type, Class<?> specialCaller) Produces an early-bound method handle for a virtual method.MethodHandles.Lookup.findStatic(Class<?> refc, String name, MethodType type) Produces a method handle for a static method.MethodHandles.Lookup.findStaticGetter(Class<?> refc, String name, Class<?> type) Produces a method handle giving read access to a static field.MethodHandles.Lookup.findStaticSetter(Class<?> refc, String name, Class<?> type) Produces a method handle giving write access to a static field.MethodHandles.Lookup.findStaticVarHandle(Class<?> decl, String name, Class<?> type) Produces a VarHandle giving access to a static fieldnameof typetypedeclared in a class of typedecl.MethodHandles.Lookup.findVarHandle(Class<?> recv, String name, Class<?> type) Produces a VarHandle giving access to a non-static fieldnameof typetypedeclared in a class of typerecv.MethodHandles.Lookup.findVirtual(Class<?> refc, String name, MethodType type) Produces a method handle for a virtual method.static ObjectConstantBootstraps.getStaticFinal(MethodHandles.Lookup lookup, String name, Class<?> type) Returns the value of a static final field declared in the class which is the same as the field's type (or, for primitive-valued fields, declared in the wrapper class.)static ObjectConstantBootstraps.getStaticFinal(MethodHandles.Lookup lookup, String name, Class<?> type, Class<?> declaringClass) Returns the value of a static final field.static MethodHandleProduces a method handle which returns its sole argument when invoked.Creates a lookup on the specified new lookup class.MethodType.insertParameterTypes(int num, Class<?>... ptypesToInsert) Finds or creates a method type with additional parameter types.static ObjectConstantBootstraps.invoke(MethodHandles.Lookup lookup, String name, Class<?> type, MethodHandle handle, Object... args) Returns the result of invoking a method handle with the provided arguments.static MethodTypeMethodType.methodType(Class<?> rtype) Finds or creates a method type with the given components.static MethodTypeMethodType.methodType(Class<?> rtype, Class<?> ptype0) Finds or creates a method type with the given components.static MethodTypeMethodType.methodType(Class<?> rtype, Class<?>[] ptypes) Finds or creates an instance of the given method type.static MethodTypeMethodType.methodType(Class<?> rtype, Class<?> ptype0, Class<?>... ptypes) Finds or creates a method type with the given components.static MethodTypeMethodType.methodType(Class<?> rtype, MethodType ptypes) Finds or creates a method type with the given components.static MethodTypeMethodType.methodType(Class<?> rtype, List<Class<?>> ptypes) Finds or creates a method type with the given components.static ObjectConstantBootstraps.nullConstant(MethodHandles.Lookup lookup, String name, Class<?> type) Returns anullobject reference for the reference type specified bytype.static Class<?>ConstantBootstraps.primitiveClass(MethodHandles.Lookup lookup, String name, Class<?> type) Returns aClassmirror for the primitive type whose type descriptor is specified byname.static MethodHandles.LookupMethodHandles.privateLookupIn(Class<?> targetClass, MethodHandles.Lookup caller) Returns alookupobject on a target class to emulate all supported bytecode behaviors, including private access.<T extends Member>
TMethodHandleInfo.reflectAs(Class<T> expected, MethodHandles.Lookup lookup) Reflects the underlying member as a method, constructor, or field object.static <T extends Member>
TMethodHandles.reflectAs(Class<T> expected, MethodHandle target) Performs an unchecked "crack" of a direct method handle.static VarHandleConstantBootstraps.staticFieldVarHandle(MethodHandles.Lookup lookup, String name, Class<VarHandle> type, Class<?> declaringClass, Class<?> fieldType) Finds aVarHandlefor a static field.static MethodHandleMethodHandles.throwException(Class<?> returnType, Class<? extends Throwable> exType) Produces a method handle which will throw exceptions of the givenexType.static StringMethodHandleInfo.toString(int kind, Class<?> defc, String name, MethodType type) Returns a string representation for aMethodHandleInfo, given the four parts of its symbolic reference.MethodHandles.Lookup.unreflectSpecial(Method m, Class<?> specialCaller) Produces a method handle for a reflected method.static MethodHandleProduces a constant method handle of the requested return type which returns the default value for that type every time it is invoked.Method parameters in java.lang.invoke with type arguments of type ClassModifier and TypeMethodDescriptionMethodType.appendParameterTypes(List<Class<?>> ptypesToInsert) Finds or creates a method type with additional parameter types.static MethodHandleMethodHandles.dropArguments(MethodHandle target, int pos, List<Class<?>> valueTypes) Produces a method handle which will discard some dummy arguments before calling some other specified target method handle.static MethodHandleMethodHandles.dropArgumentsToMatch(MethodHandle target, int skip, List<Class<?>> newTypes, int pos) Adapts a target method handle to match the given parameter type list.MethodType.insertParameterTypes(int num, List<Class<?>> ptypesToInsert) Finds or creates a method type with additional parameter types.static MethodTypeMethodType.methodType(Class<?> rtype, List<Class<?>> ptypes) Finds or creates a method type with the given components.Constructors in java.lang.invoke with parameters of type ClassModifierConstructorDescriptionSerializedLambda(Class<?> capturingClass, String functionalInterfaceClass, String functionalInterfaceMethodName, String functionalInterfaceMethodSignature, int implMethodKind, String implClass, String implMethodName, String implMethodSignature, String instantiatedMethodType, Object[] capturedArgs) Create aSerializedLambdafrom the low-level information present at the lambda factory site. -
Uses of Class in java.lang.management
Methods in java.lang.management that return types with arguments of type ClassModifier and TypeMethodDescriptionstatic Set<Class<? extends PlatformManagedObject>>ManagementFactory.getPlatformManagementInterfaces()Returns the set ofClassobjects, subinterface ofPlatformManagedObject, representing all management interfaces for monitoring and managing the Java platform.Methods in java.lang.management with parameters of type ClassModifier and TypeMethodDescriptionstatic <T extends PlatformManagedObject>
TManagementFactory.getPlatformMXBean(Class<T> mxbeanInterface) Returns the platform MXBean implementing the givenmxbeanInterfacewhich is specified to have one single instance in the Java virtual machine.static <T extends PlatformManagedObject>
TManagementFactory.getPlatformMXBean(MBeanServerConnection connection, Class<T> mxbeanInterface) Returns the platform MXBean proxy formxbeanInterfacewhich is specified to have one single instance in a Java virtual machine and the proxy will forward the method calls through the givenMBeanServerConnection.static <T extends PlatformManagedObject>
List<T>ManagementFactory.getPlatformMXBeans(Class<T> mxbeanInterface) Returns the list of platform MXBeans implementing the givenmxbeanInterfacein the Java virtual machine.static <T extends PlatformManagedObject>
List<T>ManagementFactory.getPlatformMXBeans(MBeanServerConnection connection, Class<T> mxbeanInterface) Returns the list of the platform MXBean proxies for forwarding the method calls of themxbeanInterfacethrough the givenMBeanServerConnection.static <T> TManagementFactory.newPlatformMXBeanProxy(MBeanServerConnection connection, String mxbeanName, Class<T> mxbeanInterface) Returns a proxy for a platform MXBean interface of a given MXBean name that forwards its method calls through the givenMBeanServerConnection. -
Uses of Class in java.lang.reflect
Methods in java.lang.reflect that return ClassModifier and TypeMethodDescriptionConstructor.getDeclaringClass()Returns theClassobject representing the class that declares the constructor represented by this object.abstract Class<?>Executable.getDeclaringClass()Returns theClassobject representing the class or interface that declares the executable represented by this object.Class<?>Field.getDeclaringClass()Returns theClassobject representing the class or interface that declares the field represented by thisFieldobject.Class<?>Member.getDeclaringClass()Returns the Class object representing the class or interface that declares the member or constructor represented by this Member.Class<?>Method.getDeclaringClass()Returns theClassobject representing the class or interface that declares the method represented by this object.Class<?>RecordComponent.getDeclaringRecord()Returns the record class which declares this record component.Class<?>[]Constructor.getExceptionTypes()Returns an array ofClassobjects that represent the types of exceptions declared to be thrown by the underlying executable represented by this object.abstract Class<?>[]Executable.getExceptionTypes()Returns an array ofClassobjects that represent the types of exceptions declared to be thrown by the underlying executable represented by this object.Class<?>[]Method.getExceptionTypes()Returns an array ofClassobjects that represent the types of exceptions declared to be thrown by the underlying executable represented by this object.Class<?>[]Constructor.getParameterTypes()Returns an array ofClassobjects that represent the formal parameter types, in declaration order, of the executable represented by this object.abstract Class<?>[]Executable.getParameterTypes()Returns an array ofClassobjects that represent the formal parameter types, in declaration order, of the executable represented by this object.Class<?>[]Method.getParameterTypes()Returns an array ofClassobjects that represent the formal parameter types, in declaration order, of the executable represented by this object.static Class<?>Proxy.getProxyClass(ClassLoader loader, Class<?>... interfaces) Deprecated.Proxy classes generated in a named module are encapsulated and not accessible to code outside its module.Class<?>Method.getReturnType()Returns aClassobject that represents the formal return type of the method represented by thisMethodobject.Class<?>Field.getType()Returns aClassobject that identifies the declared type for the field represented by thisFieldobject.Class<?>Parameter.getType()Returns aClassobject that identifies the declared type for the parameter represented by thisParameterobject.Class<?>RecordComponent.getType()Returns aClassthat identifies the declared type for this record component.Methods in java.lang.reflect with parameters of type ClassModifier and TypeMethodDescription<T extends Annotation>
TAccessibleObject.getAnnotation(Class<T> annotationClass) Returns this element's annotation for the specified type if such an annotation is present, else null.<T extends Annotation>
TAnnotatedElement.getAnnotation(Class<T> annotationClass) Returns this element's annotation for the specified type if such an annotation is present, else null.<T extends Annotation>
TAnnotatedType.getAnnotation(Class<T> annotationClass) Returns this element's annotation for the specified type if such an annotation is present, else null.<T extends Annotation>
TConstructor.getAnnotation(Class<T> annotationClass) Returns this element's annotation for the specified type if such an annotation is present, else null.<T extends Annotation>
TExecutable.getAnnotation(Class<T> annotationClass) Returns this element's annotation for the specified type if such an annotation is present, else null.<T extends Annotation>
TField.getAnnotation(Class<T> annotationClass) Returns this element's annotation for the specified type if such an annotation is present, else null.<T extends Annotation>
TMethod.getAnnotation(Class<T> annotationClass) Returns this element's annotation for the specified type if such an annotation is present, else null.<T extends Annotation>
TParameter.getAnnotation(Class<T> annotationClass) Returns this element's annotation for the specified type if such an annotation is present, else null.<T extends Annotation>
TRecordComponent.getAnnotation(Class<T> annotationClass) Returns this element's annotation for the specified type if such an annotation is present, else null.<T extends Annotation>
T[]AccessibleObject.getAnnotationsByType(Class<T> annotationClass) Returns annotations that are associated with this element.default <T extends Annotation>
T[]AnnotatedElement.getAnnotationsByType(Class<T> annotationClass) Returns annotations that are associated with this element.<T extends Annotation>
T[]Executable.getAnnotationsByType(Class<T> annotationClass) Returns annotations that are associated with this element.<T extends Annotation>
T[]Field.getAnnotationsByType(Class<T> annotationClass) Returns annotations that are associated with this element.<T extends Annotation>
T[]Parameter.getAnnotationsByType(Class<T> annotationClass) Returns annotations that are associated with this element.<T extends Annotation>
TAccessibleObject.getDeclaredAnnotation(Class<T> annotationClass) Returns this element's annotation for the specified type if such an annotation is directly present, else null.default <T extends Annotation>
TAnnotatedElement.getDeclaredAnnotation(Class<T> annotationClass) Returns this element's annotation for the specified type if such an annotation is directly present, else null.<T extends Annotation>
TParameter.getDeclaredAnnotation(Class<T> annotationClass) Returns this element's annotation for the specified type if such an annotation is directly present, else null.<T extends Annotation>
T[]AccessibleObject.getDeclaredAnnotationsByType(Class<T> annotationClass) Returns this element's annotation(s) for the specified type if such annotations are either directly present or indirectly present.default <T extends Annotation>
T[]AnnotatedElement.getDeclaredAnnotationsByType(Class<T> annotationClass) Returns this element's annotation(s) for the specified type if such annotations are either directly present or indirectly present.<T extends Annotation>
T[]Parameter.getDeclaredAnnotationsByType(Class<T> annotationClass) Returns this element's annotation(s) for the specified type if such annotations are either directly present or indirectly present.static Class<?>Proxy.getProxyClass(ClassLoader loader, Class<?>... interfaces) Deprecated.Proxy classes generated in a named module are encapsulated and not accessible to code outside its module.booleanAccessibleObject.isAnnotationPresent(Class<? extends Annotation> annotationClass) Returns true if an annotation for the specified type is present on this element, else false.default booleanAnnotatedElement.isAnnotationPresent(Class<? extends Annotation> annotationClass) Returns true if an annotation for the specified type is present on this element, else false.static booleanProxy.isProxyClass(Class<?> cl) Returns true if the given class is a proxy class.static ObjectArray.newInstance(Class<?> componentType, int length) Creates a new array with the specified component type and length.static ObjectArray.newInstance(Class<?> componentType, int... dimensions) Creates a new array with the specified component type and dimensions.static ObjectProxy.newProxyInstance(ClassLoader loader, Class<?>[] interfaces, InvocationHandler h) Returns a proxy instance for the specified interfaces that dispatches method invocations to the specified invocation handler. -
Uses of Class in java.lang.runtime
Methods in java.lang.runtime with parameters of type ClassModifier and TypeMethodDescriptionstatic ObjectObjectMethods.bootstrap(MethodHandles.Lookup lookup, String methodName, TypeDescriptor type, Class<?> recordClass, String names, MethodHandle... getters) Bootstrap method to generate theObject.equals(Object),Object.hashCode(), andObject.toString()methods, based on a description of the component names and accessor methods, for eitherinvokedynamiccall sites or dynamic constant pool entries. -
Uses of Class in java.net
Modifier and TypeMethodDescriptionprotected Class<?>Finds and loads the class with the specified name from the URL search path.SocketOption.type()Returns the type of the socket option value.Modifier and TypeMethodDescriptionContentHandler.getContent(URLConnection urlc, Class[] classes) Given a URL connect stream positioned at the beginning of the representation of an object, this method reads that stream and creates an object that matches one of the types specified.final ObjectURL.getContent(Class<?>[] classes) Gets the contents of this URL.URLConnection.getContent(Class<?>[] classes) Retrieves the contents of this URL connection. -
Uses of Class in java.nio.file
Methods in java.nio.file that return ClassMethods in java.nio.file with parameters of type ClassModifier and TypeMethodDescriptionstatic <V extends FileAttributeView>
VFiles.getFileAttributeView(Path path, Class<V> type, LinkOption... options) Returns a file attribute view of a given type.<V extends FileAttributeView>
VSecureDirectoryStream.getFileAttributeView(Class<V> type) Returns a new file attribute view to access the file attributes of this directory.<V extends FileAttributeView>
VSecureDirectoryStream.getFileAttributeView(T path, Class<V> type, LinkOption... options) Returns a new file attribute view to access the file attributes of a file in this directory.abstract <V extends FileStoreAttributeView>
VFileStore.getFileStoreAttributeView(Class<V> type) Returns aFileStoreAttributeViewof the given type.static <A extends BasicFileAttributes>
AFiles.readAttributes(Path path, Class<A> type, LinkOption... options) Reads a file's attributes as a bulk operation.abstract booleanFileStore.supportsFileAttributeView(Class<? extends FileAttributeView> type) Tells whether or not this file store supports the file attributes identified by the given file attribute view. -
Uses of Class in java.nio.file.spi
Methods in java.nio.file.spi with parameters of type ClassModifier and TypeMethodDescriptionabstract <V extends FileAttributeView>
VFileSystemProvider.getFileAttributeView(Path path, Class<V> type, LinkOption... options) Returns a file attribute view of a given type.abstract <A extends BasicFileAttributes>
AFileSystemProvider.readAttributes(Path path, Class<A> type, LinkOption... options) Reads a file's attributes as a bulk operation. -
Uses of Class in java.rmi.server
Methods in java.rmi.server that return ClassModifier and TypeMethodDescriptionClass<?>Deprecated.no replacementClass<?>Deprecated.no replacementstatic Class<?>Deprecated.replaced byloadClass(String,String)methodstatic Class<?>Loads a class from a codebase URL path.static Class<?>RMIClassLoader.loadClass(String codebase, String name, ClassLoader defaultLoader) Loads a class from a codebase URL path, optionally using the supplied loader.static Class<?>Loads a class from a codebase URL.abstract Class<?>RMIClassLoaderSpi.loadClass(String codebase, String name, ClassLoader defaultLoader) Provides the implementation forRMIClassLoader.loadClass(URL,String),RMIClassLoader.loadClass(String,String), andRMIClassLoader.loadClass(String,String,ClassLoader).static Class<?>RMIClassLoader.loadProxyClass(String codebase, String[] interfaces, ClassLoader defaultLoader) Loads a dynamic proxy class (seeProxy) that implements a set of interfaces with the given names from a codebase URL path.abstract Class<?>RMIClassLoaderSpi.loadProxyClass(String codebase, String[] interfaces, ClassLoader defaultLoader) Provides the implementation forRMIClassLoader.loadProxyClass(String,String[],ClassLoader).Methods in java.rmi.server with parameters of type ClassModifier and TypeMethodDescriptionstatic StringRMIClassLoader.getClassAnnotation(Class<?> cl) Returns the annotation string (representing a location for the class definition) that RMI will use to annotate the class descriptor when marshalling objects of the given class.abstract StringRMIClassLoaderSpi.getClassAnnotation(Class<?> cl) Provides the implementation forRMIClassLoader.getClassAnnotation(Class). -
Uses of Class in java.security
Methods in java.security that return ClassModifier and TypeMethodDescriptionprotected final Class<?>SecureClassLoader.defineClass(String name, byte[] b, int off, int len, CodeSource cs) Converts an array of bytes into an instance of class Class, with an optional CodeSource.protected final Class<?>SecureClassLoader.defineClass(String name, ByteBuffer b, CodeSource cs) Converts aByteBufferinto an instance of classClass, with an optional CodeSource.Methods in java.security with parameters of type ClassModifier and TypeMethodDescriptionbooleanKeyStoreSpi.engineEntryInstanceOf(String alias, Class<? extends KeyStore.Entry> entryClass) Determines if the keystoreEntryfor the specifiedaliasis an instance or subclass of the specifiedentryClass.protected abstract <T extends KeySpec>
TKeyFactorySpi.engineGetKeySpec(Key key, Class<T> keySpec) Returns a specification (key material) of the given key object.protected abstract <T extends AlgorithmParameterSpec>
TAlgorithmParametersSpi.engineGetParameterSpec(Class<T> paramSpec) Returns a (transparent) specification of this parameters object.final booleanKeyStore.entryInstanceOf(String alias, Class<? extends KeyStore.Entry> entryClass) Determines if the keystoreEntryfor the specifiedaliasis an instance or subclass of the specifiedentryClass.final <T extends KeySpec>
TKeyFactory.getKeySpec(Key key, Class<T> keySpec) Returns a specification (key material) of the given key object.final <T extends AlgorithmParameterSpec>
TAlgorithmParameters.getParameterSpec(Class<T> paramSpec) Returns a (transparent) specification of this parameter object. -
Uses of Class in java.sql
Modifier and TypeMethodDescriptionConnection.getTypeMap()Retrieves theMapobject associated with thisConnectionobject.Modifier and TypeMethodDescription<T> TReturns an object representing the value of OUT parameterparameterIndexand will convert from the SQL type of the parameter to the requested Java data type, if the conversion is supported.<T> TReturns an object representing the value of OUT parameterparameterNameand will convert from the SQL type of the parameter to the requested Java data type, if the conversion is supported.<T> TRetrieves the value of the designated column in the current row of thisResultSetobject and will convert from the SQL type of the column to the requested Java data type, if the conversion is supported.<T> TRetrieves the value of the designated column in the current row of thisResultSetobject and will convert from the SQL type of the column to the requested Java data type, if the conversion is supported.<T extends Source>
TReturns a Source for reading the XML value designated by this SQLXML instance.booleanWrapper.isWrapperFor(Class<?> iface) Returns true if this either implements the interface argument or is directly or indirectly a wrapper for an object that does.default <T> TSQLInput.readObject(Class<T> type) Reads the next attribute in the stream and returns it as anObjectin the Java programming language.<T extends Result>
TReturns a Result for setting the XML value designated by this SQLXML instance.<T> TReturns an object that implements the given interface to allow access to non-standard methods, or standard methods not exposed by the proxy.Modifier and TypeMethodDescriptionRetrieves a slice of the SQLARRAYvalue designated by thisArrayobject, beginning with the specifiedindexand containing up tocountsuccessive elements of the SQL array.Retrieves the contents of the SQLARRAYvalue designated by thisArrayobject.Object[]Struct.getAttributes(Map<String, Class<?>> map) Produces the ordered values of the attributes of the SQL structured type that thisStructobject represents.Returns an object representing the value of OUT parameterparameterIndexand usesmapfor the custom mapping of the parameter value.Returns an object representing the value of OUT parameterparameterNameand usesmapfor the custom mapping of the parameter value.Retrieves the referenced object and maps it to a Java type using the given type map.Retrieves the value of the designated column in the current row of thisResultSetobject as anObjectin the Java programming language.Retrieves the value of the designated column in the current row of thisResultSetobject as anObjectin the Java programming language.Array.getResultSet(long index, int count, Map<String, Class<?>> map) Retrieves a result set holding the elements of the subarray that starts at indexindexand contains up tocountsuccessive elements.Array.getResultSet(Map<String, Class<?>> map) Retrieves a result set that contains the elements of the SQLARRAYvalue designated by thisArrayobject.voidConnection.setTypeMap(Map<String, Class<?>> map) Installs the givenTypeMapobject as the type map for thisConnectionobject. -
Uses of Class in java.util
Modifier and TypeMethodDescriptionClass<?>IllegalFormatConversionException.getArgumentClass()Returns the class of the mismatched argument.ServiceLoader.Provider.type()Returns the provider type.Modifier and TypeMethodDescriptionCreates an enum set containing all of the elements in the specified element type.static <E> Collection<E>Collections.checkedCollection(Collection<E> c, Class<E> type) Returns a dynamically typesafe view of the specified collection.static <E> List<E>Collections.checkedList(List<E> list, Class<E> type) Returns a dynamically typesafe view of the specified list.static <K,V> Map<K, V> Collections.checkedMap(Map<K, V> m, Class<K> keyType, Class<V> valueType) Returns a dynamically typesafe view of the specified map.static <K,V> NavigableMap<K, V> Collections.checkedNavigableMap(NavigableMap<K, V> m, Class<K> keyType, Class<V> valueType) Returns a dynamically typesafe view of the specified navigable map.static <E> NavigableSet<E>Collections.checkedNavigableSet(NavigableSet<E> s, Class<E> type) Returns a dynamically typesafe view of the specified navigable set.static <E> Queue<E>Collections.checkedQueue(Queue<E> queue, Class<E> type) Returns a dynamically typesafe view of the specified queue.static <E> Set<E>Collections.checkedSet(Set<E> s, Class<E> type) Returns a dynamically typesafe view of the specified set.static <K,V> SortedMap<K, V> Collections.checkedSortedMap(SortedMap<K, V> m, Class<K> keyType, Class<V> valueType) Returns a dynamically typesafe view of the specified sorted map.static <E> SortedSet<E>Collections.checkedSortedSet(SortedSet<E> s, Class<E> type) Returns a dynamically typesafe view of the specified sorted set.static <T,U> T[] Copies the specified array, truncating or padding with nulls (if necessary) so the copy has the specified length.static <T,U> T[] Arrays.copyOfRange(U[] original, int from, int to, Class<? extends T[]> newType) Copies the specified range of the specified array into a new array.static <S> ServiceLoader<S>Creates a new service loader for the given service type, using the current thread's context class loader.static <S> ServiceLoader<S>ServiceLoader.load(Class<S> service, ClassLoader loader) Creates a new service loader for the given service.static <S> ServiceLoader<S>ServiceLoader.load(ModuleLayer layer, Class<S> service) Creates a new service loader for the given service type to load service providers from modules in the given module layer and its ancestors.static <S> ServiceLoader<S>ServiceLoader.loadInstalled(Class<S> service) Creates a new service loader for the given service type, using the platform class loader.Creates an empty enum set with the specified element type.ModifierConstructorDescriptionCreates an empty enum map with the specified key type.IllegalFormatConversionException(char c, Class<?> arg) Constructs an instance of this class with the mismatched conversion and the corresponding argument class. -
Uses of Class in java.util.concurrent.atomic
Methods in java.util.concurrent.atomic with parameters of type ClassModifier and TypeMethodDescriptionstatic <U> AtomicIntegerFieldUpdater<U>AtomicIntegerFieldUpdater.newUpdater(Class<U> tclass, String fieldName) Creates and returns an updater for objects with the given field.static <U> AtomicLongFieldUpdater<U>AtomicLongFieldUpdater.newUpdater(Class<U> tclass, String fieldName) Creates and returns an updater for objects with the given field.static <U,W> AtomicReferenceFieldUpdater<U, W> AtomicReferenceFieldUpdater.newUpdater(Class<U> tclass, Class<W> vclass, String fieldName) Creates and returns an updater for objects with the given field. -
Uses of Class in java.util.prefs
Methods in java.util.prefs with parameters of type ClassModifier and TypeMethodDescriptionstatic PreferencesPreferences.systemNodeForPackage(Class<?> c) Returns the preference node from the system preference tree that is associated (by convention) with the specified class's package.static PreferencesPreferences.userNodeForPackage(Class<?> c) Returns the preference node from the calling user's preference tree that is associated (by convention) with the specified class's package. -
Uses of Class in javax.annotation.processing
Methods in javax.annotation.processing with parameters of type ClassModifier and TypeMethodDescriptionRoundEnvironment.getElementsAnnotatedWith(Class<? extends Annotation> a) Returns the elements annotated with the given annotation type.Method parameters in javax.annotation.processing with type arguments of type ClassModifier and TypeMethodDescriptionRoundEnvironment.getElementsAnnotatedWithAny(Set<Class<? extends Annotation>> annotations) Returns the elements annotated with one or more of the given annotation types. -
Uses of Class in javax.crypto
Methods in javax.crypto with parameters of type ClassModifier and TypeMethodDescriptionprotected abstract KeySpecSecretKeyFactorySpi.engineGetKeySpec(SecretKey key, Class<?> keySpec) Returns a specification (key material) of the given key object in the requested format.final KeySpecSecretKeyFactory.getKeySpec(SecretKey key, Class<?> keySpec) Returns a specification (key material) of the given key object in the requested format. -
Uses of Class in javax.imageio.metadata
Methods in javax.imageio.metadata that return ClassModifier and TypeMethodDescriptionClass<?>IIOMetadataFormat.getObjectClass(String elementName) Returns theClasstype of theObjectreference stored within the element.Class<?>IIOMetadataFormatImpl.getObjectClass(String elementName) Methods in javax.imageio.metadata with parameters of type ClassModifier and TypeMethodDescriptionprotected voidIIOMetadataFormatImpl.addObjectValue(String elementName, Class<?> classType, int arrayMinLength, int arrayMaxLength) Allows anObjectreference of a given class type to be stored in nodes implementing the named element.protected <T> voidIIOMetadataFormatImpl.addObjectValue(String elementName, Class<T> classType, boolean required, T defaultValue) Allows anObjectreference of a given class type to be stored in nodes implementing the named element.protected <T> voidIIOMetadataFormatImpl.addObjectValue(String elementName, Class<T> classType, boolean required, T defaultValue, List<? extends T> enumeratedValues) Allows anObjectreference of a given class type to be stored in nodes implementing the named element.protected <T extends Object & Comparable<? super T>>
voidIIOMetadataFormatImpl.addObjectValue(String elementName, Class<T> classType, T defaultValue, Comparable<? super T> minValue, Comparable<? super T> maxValue, boolean minInclusive, boolean maxInclusive) Allows anObjectreference of a given class type to be stored in nodes implementing the named element. -
Uses of Class in javax.imageio.spi
Fields in javax.imageio.spi declared as ClassModifier and TypeFieldDescriptionprotected Class<?>ImageInputStreamSpi.inputClassAClassobject indicating the legal object type for use by thecreateInputStreamInstancemethod.protected Class<?>[]ImageReaderSpi.inputTypesAn array ofClassobjects to be returned fromgetInputTypes, initiallynull.protected Class<?>ImageOutputStreamSpi.outputClassAClassobject indicating the legal object type for use by thecreateInputStreamInstancemethod.protected Class<?>[]ImageWriterSpi.outputTypesAn array ofClassobjects to be returned fromgetOutputTypes, initiallynull.static final Class<?>[]ImageReaderSpi.STANDARD_INPUT_TYPEDeprecated.Instead of using this field, directly create the equivalent array{ ImageInputStream.class }.static final Class<?>[]ImageWriterSpi.STANDARD_OUTPUT_TYPEDeprecated.Instead of using this field, directly create the equivalent array{ ImageOutputStream.class }.Methods in javax.imageio.spi that return ClassModifier and TypeMethodDescriptionClass<?>ImageInputStreamSpi.getInputClass()Returns aClassobject representing the class or interface type that must be implemented by an input source in order to be "wrapped" in anImageInputStreamvia thecreateInputStreamInstancemethod.Class<?>[]ImageReaderSpi.getInputTypes()Returns an array ofClassobjects indicating what types of objects may be used as arguments to the reader'ssetInputmethod.Class<?>ImageOutputStreamSpi.getOutputClass()Returns aClassobject representing the class or interface type that must be implemented by an output destination in order to be "wrapped" in anImageOutputStreamvia thecreateOutputStreamInstancemethod.Class<?>[]ImageWriterSpi.getOutputTypes()Returns an array ofClassobjects indicating what types of objects may be used as arguments to the writer'ssetOutputmethod.Methods in javax.imageio.spi that return types with arguments of type ClassModifier and TypeMethodDescriptionServiceRegistry.getCategories()Returns anIteratorofClassobjects indicating the current set of categories.Methods in javax.imageio.spi with parameters of type ClassModifier and TypeMethodDescriptionvoidServiceRegistry.deregisterAll(Class<?> category) Deregisters all service provider object currently registered under the given category.<T> booleanServiceRegistry.deregisterServiceProvider(T provider, Class<T> category) Removes a service provider object from the given category.<T> TServiceRegistry.getServiceProviderByClass(Class<T> providerClass) Returns the currently registered service provider object that is of the given class type.<T> Iterator<T>ServiceRegistry.getServiceProviders(Class<T> category, boolean useOrdering) Returns anIteratorcontaining all registered service providers in the given category.<T> Iterator<T>ServiceRegistry.getServiceProviders(Class<T> category, ServiceRegistry.Filter filter, boolean useOrdering) Returns anIteratorcontaining service provider objects within a given category that satisfy a criterion imposed by the suppliedServiceRegistry.Filterobject'sfiltermethod.static <T> Iterator<T>ServiceRegistry.lookupProviders(Class<T> providerClass) Locates and incrementally instantiates the available providers of a given service using the context class loader.static <T> Iterator<T>ServiceRegistry.lookupProviders(Class<T> providerClass, ClassLoader loader) Searches for implementations of a particular service class using the given class loader.voidIIOServiceProvider.onDeregistration(ServiceRegistry registry, Class<?> category) A callback that will be whenever the Spi class has been deregistered from aServiceRegistry.voidRegisterableService.onDeregistration(ServiceRegistry registry, Class<?> category) Called when an object implementing this interface is removed from the givencategoryof the givenregistry.voidIIOServiceProvider.onRegistration(ServiceRegistry registry, Class<?> category) A callback that will be called exactly once after the Spi class has been instantiated and registered in aServiceRegistry.voidRegisterableService.onRegistration(ServiceRegistry registry, Class<?> category) Called when an object implementing this interface is added to the givencategoryof the givenregistry.<T> booleanServiceRegistry.registerServiceProvider(T provider, Class<T> category) Adds a service provider object to the registry.<T> booleanServiceRegistry.setOrdering(Class<T> category, T firstProvider, T secondProvider) Sets a pairwise ordering between two service provider objects within a given category.<T> booleanServiceRegistry.unsetOrdering(Class<T> category, T firstProvider, T secondProvider) Sets a pairwise ordering between two service provider objects within a given category.Constructors in javax.imageio.spi with parameters of type ClassModifierConstructorDescriptionImageInputStreamSpi(String vendorName, String version, Class<?> inputClass) Constructs anImageInputStreamSpiwith a given set of values.ImageOutputStreamSpi(String vendorName, String version, Class<?> outputClass) Constructs anImageOutputStreamSpiwith a given set of values.ImageReaderSpi(String vendorName, String version, String[] names, String[] suffixes, String[] MIMETypes, String readerClassName, Class<?>[] inputTypes, String[] writerSpiNames, boolean supportsStandardStreamMetadataFormat, String nativeStreamMetadataFormatName, String nativeStreamMetadataFormatClassName, String[] extraStreamMetadataFormatNames, String[] extraStreamMetadataFormatClassNames, boolean supportsStandardImageMetadataFormat, String nativeImageMetadataFormatName, String nativeImageMetadataFormatClassName, String[] extraImageMetadataFormatNames, String[] extraImageMetadataFormatClassNames) Constructs anImageReaderSpiwith a given set of values.ImageWriterSpi(String vendorName, String version, String[] names, String[] suffixes, String[] MIMETypes, String writerClassName, Class<?>[] outputTypes, String[] readerSpiNames, boolean supportsStandardStreamMetadataFormat, String nativeStreamMetadataFormatName, String nativeStreamMetadataFormatClassName, String[] extraStreamMetadataFormatNames, String[] extraStreamMetadataFormatClassNames, boolean supportsStandardImageMetadataFormat, String nativeImageMetadataFormatName, String nativeImageMetadataFormatClassName, String[] extraImageMetadataFormatNames, String[] extraImageMetadataFormatClassNames) Constructs anImageWriterSpiwith a given set of values.Constructor parameters in javax.imageio.spi with type arguments of type ClassModifierConstructorDescriptionServiceRegistry(Iterator<Class<?>> categories) Constructs aServiceRegistryinstance with a set of categories taken from thecategoriesargument. -
Uses of Class in javax.lang.model
Methods in javax.lang.model with parameters of type ClassModifier and TypeMethodDescription<A extends Annotation>
AAnnotatedConstruct.getAnnotation(Class<A> annotationType) Returns this construct's annotation of the specified type if such an annotation is present, elsenull.<A extends Annotation>
A[]AnnotatedConstruct.getAnnotationsByType(Class<A> annotationType) Returns annotations that are associated with this construct. -
Uses of Class in javax.lang.model.element
Methods in javax.lang.model.element with parameters of type ClassModifier and TypeMethodDescription<A extends Annotation>
AElement.getAnnotation(Class<A> annotationType) Returns this construct's annotation of the specified type if such an annotation is present, elsenull.<A extends Annotation>
A[]Element.getAnnotationsByType(Class<A> annotationType) Returns annotations that are associated with this construct. -
Uses of Class in javax.lang.model.type
Methods in javax.lang.model.type with parameters of type ClassModifier and TypeMethodDescription<A extends Annotation>
ATypeMirror.getAnnotation(Class<A> annotationType) Returns this construct's annotation of the specified type if such an annotation is present, elsenull.<A extends Annotation>
A[]TypeMirror.getAnnotationsByType(Class<A> annotationType) Returns annotations that are associated with this construct. -
Uses of Class in javax.management
Methods in javax.management that return ClassModifier and TypeMethodDescriptionClass<?>StandardMBean.getImplementationClass()Get the class of the implementation of this Standard MBean (or MXBean).final Class<?>StandardMBean.getMBeanInterface()Get the Management Interface of this Standard MBean (or MXBean).static Class<?>Deprecated.Go through the list of class loaders and try to load the requested class.static Class<?>DefaultLoaderRepository.loadClassWithout(ClassLoader loader, String className) Deprecated.Go through the list of class loaders but exclude the given class loader, then try to load the requested class.Methods in javax.management with parameters of type ClassModifier and TypeMethodDescriptionstatic booleanJMX.isMXBeanInterface(Class<?> interfaceClass) Test whether an interface is an MXBean interface.static <T> TJMX.newMBeanProxy(MBeanServerConnection connection, ObjectName objectName, Class<T> interfaceClass) Make a proxy for a Standard MBean in a local or remote MBean Server.static <T> TJMX.newMBeanProxy(MBeanServerConnection connection, ObjectName objectName, Class<T> interfaceClass, boolean notificationEmitter) Make a proxy for a Standard MBean in a local or remote MBean Server that may also support the methods ofNotificationEmitter.static <T> TJMX.newMXBeanProxy(MBeanServerConnection connection, ObjectName objectName, Class<T> interfaceClass) Make a proxy for an MXBean in a local or remote MBean Server.static <T> TJMX.newMXBeanProxy(MBeanServerConnection connection, ObjectName objectName, Class<T> interfaceClass, boolean notificationEmitter) Make a proxy for an MXBean in a local or remote MBean Server that may also support the methods ofNotificationEmitter.static <T> TMBeanServerInvocationHandler.newProxyInstance(MBeanServerConnection connection, ObjectName objectName, Class<T> interfaceClass, boolean notificationBroadcaster) Return a proxy that implements the given interface by forwarding its methods through the given MBean server to the named MBean.Constructors in javax.management with parameters of type ClassModifierConstructorDescriptionprotectedStandardEmitterMBean(Class<?> mbeanInterface, boolean isMXBean, NotificationEmitter emitter) Make an MBean whose management interface is specified bymbeanInterface, and where notifications are handled by the givenNotificationEmitter.protectedStandardEmitterMBean(Class<?> mbeanInterface, NotificationEmitter emitter) Make an MBean whose management interface is specified bymbeanInterface, and where notifications are handled by the givenNotificationEmitter.StandardEmitterMBean(T implementation, Class<T> mbeanInterface, boolean isMXBean, NotificationEmitter emitter) Make an MBean whose management interface is specified bymbeanInterface, with the given implementation and where notifications are handled by the givenNotificationEmitter.StandardEmitterMBean(T implementation, Class<T> mbeanInterface, NotificationEmitter emitter) Make an MBean whose management interface is specified bymbeanInterface, with the given implementation and where notifications are handled by the givenNotificationEmitter.protectedStandardMBean(Class<?> mbeanInterface) Make a DynamicMBean out of this, using the specified mbeanInterface class.protectedStandardMBean(Class<?> mbeanInterface, boolean isMXBean) Make a DynamicMBean out of this, using the specified mbeanInterface class, and choosing whether the resulting MBean is an MXBean.StandardMBean(T implementation, Class<T> mbeanInterface) Make a DynamicMBean out of the object implementation, using the specified mbeanInterface class.StandardMBean(T implementation, Class<T> mbeanInterface, boolean isMXBean) Make a DynamicMBean out of the object implementation, using the specified mbeanInterface class, and choosing whether the resultant MBean is an MXBean. -
Uses of Class in javax.management.loading
Methods in javax.management.loading that return ClassModifier and TypeMethodDescriptionprotected Class<?>This is the main method for class loaders that is being redefined.Class<?>Load the given class name through the list of class loaders.static Class<?>Deprecated.Go through the list of class loaders and try to load the requested class.Class<?>MLet.loadClass(String name, ClassLoaderRepository clr) Load a class, using the givenClassLoaderRepositoryif the class is not found in this MLet's URLs.Class<?>ClassLoaderRepository.loadClassBefore(ClassLoader stop, String className) Load the given class name through the list of class loaders, stopping at the given one.Class<?>ClassLoaderRepository.loadClassWithout(ClassLoader exclude, String className) Load the given class name through the list of class loaders, excluding the given one.static Class<?>DefaultLoaderRepository.loadClassWithout(ClassLoader loader, String className) Deprecated.Go through the list of class loaders but exclude the given class loader, then try to load the requested class. -
Uses of Class in javax.management.openmbean
Methods in javax.management.openmbean with parameters of type ClassModifier and TypeMethodDescriptionstatic <T> ArrayType<T>ArrayType.getPrimitiveArrayType(Class<T> arrayClass) Create anArrayTypeinstance in a type-safe manner. -
Uses of Class in javax.naming.spi
Methods in javax.naming.spi with parameters of type ClassModifier and TypeMethodDescriptionResolver.resolveToClass(String name, Class<? extends Context> contextType) Partially resolves a name.Resolver.resolveToClass(Name name, Class<? extends Context> contextType) Partially resolves a name. -
Uses of Class in javax.print
Methods in javax.print that return ClassModifier and TypeMethodDescriptionClass<?>[]PrintService.getSupportedAttributeCategories()Determines the printing attribute categories a client can specify when setting up a job for this print service.Class<?>[]AttributeException.getUnsupportedAttributes()Returns the array of printing attribute classes for which the Print Service instance does not support the attribute at all, ornullif there are no such attributes.Methods in javax.print with parameters of type ClassModifier and TypeMethodDescription<T extends PrintServiceAttribute>
TPrintService.getAttribute(Class<T> category) Gets the value of the single specified service attribute.PrintService.getDefaultAttributeValue(Class<? extends Attribute> category) Determines this print service's default printing attribute value in the given category.PrintService.getSupportedAttributeValues(Class<? extends Attribute> category, DocFlavor flavor, AttributeSet attributes) Determines the printing attribute values a client can specify in the given category when setting up a job for this print service.booleanPrintService.isAttributeCategorySupported(Class<? extends Attribute> category) Determines whether a client can specify the given printing attribute category when setting up a job for this print service. -
Uses of Class in javax.print.attribute
Methods in javax.print.attribute that return ClassModifier and TypeMethodDescriptionAttribute.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value when it is added to an attribute set.static Class<?>AttributeSetUtilities.verifyAttributeCategory(Object object, Class<?> interfaceName) Methods in javax.print.attribute with parameters of type ClassModifier and TypeMethodDescriptionbooleanAttributeSet.containsKey(Class<?> category) Returnstrueif this attribute set contains an attribute for the specified category.booleanHashAttributeSet.containsKey(Class<?> category) Returnstrueif this attribute set contains an attribute for the specified category.Returns the attribute value which this attribute set contains in the given attribute category.Returns the attribute value which this attribute set contains in the given attribute category.booleanRemoves any attribute for this category from this attribute set if present.booleanRemoves any attribute for this category from this attribute set if present.static Class<?>AttributeSetUtilities.verifyAttributeCategory(Object object, Class<?> interfaceName) static AttributeAttributeSetUtilities.verifyAttributeValue(Object object, Class<?> interfaceName) Verify that the given object is an instance of the given interface, which is assumed to be interfaceAttributeor a subinterface thereof.static voidAttributeSetUtilities.verifyCategoryForValue(Class<?> category, Attribute attribute) Verify that the given attribute category object is equal to the category of the given attribute value object.Constructors in javax.print.attribute with parameters of type ClassModifierConstructorDescriptionprotectedHashAttributeSet(Class<?> interfaceName) Construct a new, empty attribute set, where the members of the attribute set are restricted to the given interface.protectedHashAttributeSet(Attribute[] attributes, Class<?> interfaceName) Construct a new attribute set, where the members of the attribute set are restricted to the given interface.protectedHashAttributeSet(Attribute attribute, Class<?> interfaceName) Construct a new attribute set, initially populated with the given attribute, where the members of the attribute set are restricted to the given interface.protectedHashAttributeSet(AttributeSet attributes, Class<?> interfaceName) Construct a new attribute set, initially populated with the values from the given set where the members of the attribute set are restricted to the given interface. -
Uses of Class in javax.print.attribute.standard
Methods in javax.print.attribute.standard that return ClassModifier and TypeMethodDescriptionChromaticity.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.ColorSupported.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Compression.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Copies.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.CopiesSupported.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.DateTimeAtCompleted.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.DateTimeAtCreation.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.DateTimeAtProcessing.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Destination.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.DialogOwner.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.DialogTypeSelection.getCategory()Gets the printing attribute class which is to be used as the "category" for this printing attribute value.DocumentName.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Fidelity.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Finishings.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobHoldUntil.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobImpressions.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobImpressionsCompleted.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobImpressionsSupported.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobKOctets.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobKOctetsProcessed.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobKOctetsSupported.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobMediaSheets.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobMediaSheetsCompleted.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobMediaSheetsSupported.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobMessageFromOperator.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobName.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobOriginatingUserName.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobPriority.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobPrioritySupported.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobSheets.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobState.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobStateReason.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.JobStateReasons.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Media.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.MediaPrintableArea.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.MediaSize.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.MultipleDocumentHandling.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.NumberOfDocuments.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.NumberOfInterveningJobs.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.NumberUp.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.NumberUpSupported.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.OrientationRequested.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.OutputDeviceAssigned.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PageRanges.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PagesPerMinute.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PagesPerMinuteColor.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PDLOverrideSupported.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PresentationDirection.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PrinterInfo.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PrinterIsAcceptingJobs.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PrinterLocation.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PrinterMakeAndModel.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PrinterMessageFromOperator.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PrinterMoreInfo.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PrinterMoreInfoManufacturer.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PrinterName.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PrinterResolution.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PrinterState.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PrinterStateReason.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PrinterStateReasons.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PrinterURI.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.PrintQuality.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.QueuedJobCount.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.ReferenceUriSchemesSupported.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.RequestingUserName.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Severity.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.SheetCollate.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Sides.getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value. -
Uses of Class in javax.script
Methods in javax.script with parameters of type ClassModifier and TypeMethodDescription<T> TInvocable.getInterface(Class<T> clasz) Returns an implementation of an interface using functions compiled in the interpreter.<T> TInvocable.getInterface(Object thiz, Class<T> clasz) Returns an implementation of an interface using member functions of a scripting object compiled in the interpreter. -
Uses of Class in javax.security.auth
Methods in javax.security.auth with parameters of type ClassModifier and TypeMethodDescriptionSubject.getPrincipals(Class<T> c) Return aSetof Principals associated with thisSubjectthat are instances or subclasses of the specifiedClass.<T> Set<T>Subject.getPrivateCredentials(Class<T> c) Return aSetof private credentials associated with thisSubjectthat are instances or subclasses of the specifiedClass.<T> Set<T>Subject.getPublicCredentials(Class<T> c) Return aSetof public credentials associated with thisSubjectthat are instances or subclasses of the specifiedClass. -
Uses of Class in javax.sound.midi
Methods in javax.sound.midi that return ClassModifier and TypeMethodDescriptionClass<?>SoundbankResource.getDataClass()Obtains the class used by this sample to represent its data.Constructors in javax.sound.midi with parameters of type ClassModifierConstructorDescriptionprotectedInstrument(Soundbank soundbank, Patch patch, String name, Class<?> dataClass) Constructs a new MIDI instrument from the specifiedPatch.protectedSoundbankResource(Soundbank soundBank, String name, Class<?> dataClass) Constructs a newSoundbankResourcefrom the given sound bank and wavetable index. -
Uses of Class in javax.sound.sampled
Methods in javax.sound.sampled that return ClassModifier and TypeMethodDescriptionClass<?>Line.Info.getLineClass()Obtains the class of the line that thisLine.Infoobject describes.Constructors in javax.sound.sampled with parameters of type ClassModifierConstructorDescriptionInfo(Class<?> lineClass, AudioFormat format) Constructs a data line's info object from the specified information, which includes a single audio format.Info(Class<?> lineClass, AudioFormat[] formats, int minBufferSize, int maxBufferSize) Constructs a data line's info object from the specified information, which includes a set of supported audio formats and a range for the buffer size.Info(Class<?> lineClass, AudioFormat format, int bufferSize) Constructs a data line's info object from the specified information, which includes a single audio format and a desired buffer size.Constructs an info object that describes a line of the specified class.Constructs a port's info object from the information given. -
Uses of Class in javax.sql
Modifier and TypeMethodDescriptionRowSet.getTypeMap()Retrieves theMapobject associated with thisRowSetobject, which specifies the custom mapping of SQL user-defined types, if any.Modifier and TypeMethodDescriptionvoidRowSet.setTypeMap(Map<String, Class<?>> map) Installs the givenjava.util.Mapobject as the default type map for thisRowSetobject. -
Uses of Class in javax.sql.rowset
Methods in javax.sql.rowset that return types with arguments of type ClassModifier and TypeMethodDescriptionBaseRowSet.getTypeMap()Retrieves the type map associated with theConnectionobject for thisRowSetobject.Methods in javax.sql.rowset with parameters of type ClassModifier and TypeMethodDescriptionbooleanRowSetMetaDataImpl.isWrapperFor(Class<?> interfaces) Returns true if this either implements the interface argument or is directly or indirectly a wrapper for an object that does.<T> TReturns an object that implements the given interface to allow access to non-standard methods, or standard methods not exposed by the proxy.Method parameters in javax.sql.rowset with type arguments of type ClassModifier and TypeMethodDescriptionvoidBaseRowSet.setTypeMap(Map<String, Class<?>> map) Installs the givenjava.util.Mapobject as the type map associated with theConnectionobject for thisRowSetobject. -
Uses of Class in javax.sql.rowset.serial
Method parameters in javax.sql.rowset.serial with type arguments of type ClassModifier and TypeMethodDescriptionReturns a new array that is a copy of a slice of thisSerialArrayobject, starting with the element at the given index and containing the given number of consecutive elements.Returns a new array that is a copy of thisSerialArrayobject, using the given type map for the custom mapping of each element when the elements are SQL UDTs.Object[]SerialStruct.getAttributes(Map<String, Class<?>> map) Retrieves the attributes for the SQL structured type that thisSerialStructrepresents as an array ofObjectvalues, using the given type map for custom mapping if appropriate.Returns anObjectrepresenting the SQL structured type to which thisSerialRefobject refers.SerialArray.getResultSet(long index, int count, Map<String, Class<?>> map) Retrieves a result set holding the elements of the subarray that starts at Retrieves aResultSetobject that contains a subarray of the elements in thisSerialArrayobject, starting at index index and containing up to count successive elements.SerialArray.getResultSet(Map<String, Class<?>> map) Retrieves aResultSetobject that contains all of the elements of the SQLARRAYvalue represented by thisSerialArrayobject.Constructor parameters in javax.sql.rowset.serial with type arguments of type ClassModifierConstructorDescriptionSerialArray(Array array, Map<String, Class<?>> map) Constructs a newSerialArrayobject from the givenArrayobject, using the given type map for the custom mapping of each element when the elements are SQL UDTs.SerialStruct(SQLData in, Map<String, Class<?>> map) Constructs aSerialStructobject from the givenSQLDataobject, using the given type map to custom map it to a class in the Java programming language.SerialStruct(Struct in, Map<String, Class<?>> map) Constructs aSerialStructobject from the givenStructobject, using the givenjava.util.Mapobject for custom mapping the SQL structured type or any of its attributes that are SQL structured types.SQLInputImpl(Object[] attributes, Map<String, Class<?>> map) Creates anSQLInputImplobject initialized with the given array of attributes and the given type map. -
Uses of Class in javax.swing
Methods in javax.swing that return ClassModifier and TypeMethodDescriptionClass<?>JTable.getColumnClass(int column) Returns the type of the column appearing in the view at column positioncolumn.Class<? extends ComponentUI>UIDefaults.getUIClass(String uiClassID) Returns the L&F class that renders this component.Class<? extends ComponentUI>UIDefaults.getUIClass(String uiClassID, ClassLoader uiClassLoader) The value ofget(uidClassID)must be theStringname of a class that implements the correspondingComponentUIclass.Methods in javax.swing with parameters of type ClassModifier and TypeMethodDescriptionstatic ContainerSwingUtilities.getAncestorOfClass(Class<?> c, Component comp) Convenience method for searching abovecompin the component hierarchy and returns the first object of classcit finds.JTable.getDefaultEditor(Class<?> columnClass) Returns the editor to be used when no editor has been set in aTableColumn.JTable.getDefaultRenderer(Class<?> columnClass) Returns the cell renderer to be used when no renderer has been set in aTableColumn.<T extends EventListener>
T[]AbstractListModel.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon this model.<T extends EventListener>
T[]AbstractSpinnerModel.getListeners(Class<T> listenerType) Return an array of all the listeners of the given type that were added to this model.<T extends EventListener>
T[]DefaultBoundedRangeModel.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon this model.<T extends EventListener>
T[]DefaultButtonModel.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon this model.<T extends EventListener>
T[]DefaultListSelectionModel.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon this model.<T extends EventListener>
T[]DefaultSingleSelectionModel.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon this model.<T extends EventListener>
T[]JComponent.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon thisJComponent.<T extends EventListener>
T[]Timer.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon thisTimer.static ObjectCreates and returns aUIDefault.LazyValuethat loads an image.voidJTable.setDefaultEditor(Class<?> columnClass, TableCellEditor editor) Sets a default cell editor to be used if no editor has been set in aTableColumn.voidJTable.setDefaultRenderer(Class<?> columnClass, TableCellRenderer renderer) Sets a default cell renderer to be used if no renderer has been set in aTableColumn. -
Uses of Class in javax.swing.event
Methods in javax.swing.event with parameters of type ClassModifier and TypeMethodDescription<T extends EventListener>
voidAdds the listener as a listener of the specified type.intEventListenerList.getListenerCount(Class<?> t) Returns the total number of listeners of the supplied type for this listener list.<T extends EventListener>
T[]EventListenerList.getListeners(Class<T> t) Return an array of all the listeners of the given type.<T extends EventListener>
voidRemoves the listener as a listener of the specified type. -
Uses of Class in javax.swing.plaf.synth
Methods in javax.swing.plaf.synth with parameters of type ClassModifier and TypeMethodDescriptionvoidSynthLookAndFeel.load(InputStream input, Class<?> resourceBase) Loads the set ofSynthStyles that will be used by thisSynthLookAndFeel. -
Uses of Class in javax.swing.table
Methods in javax.swing.table that return ClassModifier and TypeMethodDescriptionClass<?>AbstractTableModel.getColumnClass(int columnIndex) ReturnsObject.classregardless ofcolumnIndex.Class<?>TableModel.getColumnClass(int columnIndex) Returns the most specific superclass for all the cell values in the column.Methods in javax.swing.table with parameters of type ClassModifier and TypeMethodDescription<T extends EventListener>
T[]AbstractTableModel.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon thisAbstractTableModel.<T extends EventListener>
T[]DefaultTableColumnModel.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon this model. -
Uses of Class in javax.swing.text
Methods in javax.swing.text that return ClassModifier and TypeMethodDescriptionClass<?>DefaultFormatter.getValueClass()Returns that class that is used to create new Objects.Methods in javax.swing.text with parameters of type ClassModifier and TypeMethodDescription<T extends EventListener>
T[]AbstractDocument.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon this document.<T extends EventListener>
T[]DefaultCaret.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon this caret.<T extends EventListener>
T[]StyleContext.NamedStyle.getListeners(Class<T> listenerType) Return an array of all the listeners of the given type that were added to this model.voidDefaultFormatter.setValueClass(Class<?> valueClass) Sets that class that is used to create new Objects. -
Uses of Class in javax.swing.tree
Methods in javax.swing.tree with parameters of type ClassModifier and TypeMethodDescription<T extends EventListener>
T[]DefaultTreeModel.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon this model.<T extends EventListener>
T[]DefaultTreeSelectionModel.getListeners(Class<T> listenerType) Returns an array of all the objects currently registered asFooListeners upon this model. -
Uses of Class in javax.tools
Methods in javax.tools with parameters of type ClassModifier and TypeMethodDescription<S> ServiceLoader<S>ForwardingJavaFileManager.getServiceLoader(JavaFileManager.Location location, Class<S> service) default <S> ServiceLoader<S>JavaFileManager.getServiceLoader(JavaFileManager.Location location, Class<S> service) Get a service loader for a specific service class from a given location.DocumentationTool.getTask(Writer out, JavaFileManager fileManager, DiagnosticListener<? super JavaFileObject> diagnosticListener, Class<?> docletClass, Iterable<String> options, Iterable<? extends JavaFileObject> compilationUnits) Creates a future for a documentation task with the given components and arguments. -
Uses of Class in javax.xml.xpath
Methods in javax.xml.xpath with parameters of type ClassModifier and TypeMethodDescriptiondefault <T> TXPath.evaluateExpression(String expression, Object item, Class<T> type) Evaluate an XPath expression in the specified context and return the result with the type specified through theclass typedefault <T> TXPath.evaluateExpression(String expression, InputSource source, Class<T> type) Evaluate an XPath expression in the context of the specifiedsourceand return the result as specified.default <T> TXPathExpression.evaluateExpression(Object item, Class<T> type) Evaluate the compiled XPath expression in the specified context, and return the result with the type specified through theclass type.default <T> TXPathExpression.evaluateExpression(InputSource source, Class<T> type) Evaluate the compiled XPath expression in the specified context, and return the result with the type specified through theclass typestatic QNameXPathEvaluationResult.XPathResultType.getQNameType(Class<?> clsType) Returns the QName type as specified inXPathConstantsthat corresponds to the specified class type. -
Uses of Class in jdk.dynalink.beans
Methods in jdk.dynalink.beans that return ClassModifier and TypeMethodDescriptionClass<?>StaticClass.getRepresentedClass()Returns the represented Java class.Methods in jdk.dynalink.beans with parameters of type ClassModifier and TypeMethodDescriptionstatic StaticClassRetrieves theStaticClassinstance for the specified class.static ObjectBeansLinker.getConstructorMethod(Class<?> clazz, String signature) Return the dynamic method of constructor of the given class and the given signature.BeansLinker.getInstanceMethodNames(Class<?> clazz) Returns a set of names of all instance methods of a class.BeansLinker.getLinkerForClass(Class<?> clazz) Returns a bean linker for a particular single class.BeansLinker.getReadableInstancePropertyNames(Class<?> clazz) Returns a set of names of all readable instance properties of a class.BeansLinker.getReadableStaticPropertyNames(Class<?> clazz) Returns a set of names of all readable static properties of a class.BeansLinker.getStaticMethodNames(Class<?> clazz) Returns a set of names of all static methods of a class.BeansLinker.getWritableInstancePropertyNames(Class<?> clazz) Returns a set of names of all writable instance properties of a class.BeansLinker.getWritableStaticPropertyNames(Class<?> clazz) Returns a set of names of all writable static properties of a class. -
Uses of Class in jdk.dynalink.linker
Methods in jdk.dynalink.linker that return ClassModifier and TypeMethodDescriptionGuardedInvocation.getException()Returns the exception type that if thrown by the invocation should invalidate the linkage of this guarded invocation.Methods in jdk.dynalink.linker with parameters of type ClassModifier and TypeMethodDescriptionbooleanLinkerServices.canConvert(Class<?> from, Class<?> to) Returns true if there might exist a conversion between the requested types (either an automatic JVM conversion, or one provided by any availableGuardingTypeConverterFactory), or false if there definitely does not exist a conversion between the requested types.booleanTypeBasedGuardingDynamicLinker.canLinkType(Class<?> type) Returns true if the linker can link an invocation where the first argument (receiver) is of the specified type.ConversionComparator.compareConversion(Class<?> sourceType, Class<?> targetType1, Class<?> targetType2) Determines which of the two target types is the preferred conversion target from a source type.LinkerServices.compareConversion(Class<?> sourceType, Class<?> targetType1, Class<?> targetType2) Determines which of the two type conversions from a source type to the two target types is preferred.GuardingTypeConverterFactory.convertToType(Class<?> sourceType, Class<?> targetType, Supplier<MethodHandles.Lookup> lookupSupplier) Returns a guarded type conversion that receives a value of the specified source type and returns a value converted to the specified target type.GuardedInvocation.dropArguments(int pos, Class<?>... valueTypes) Makes an invocation that drops arguments in both the invocation and the guard (if it exists and has at leastposparameters) withMethodHandles.dropArguments(MethodHandle, int, Class...).LinkerServices.getTypeConverter(Class<?> sourceType, Class<?> targetType) Given a source and target type, returns a method handle that converts between them.Method parameters in jdk.dynalink.linker with type arguments of type ClassModifier and TypeMethodDescriptionGuardedInvocation.dropArguments(int pos, List<Class<?>> valueTypes) Makes an invocation that drops arguments in both the invocation and the guard (if it exists and has at leastposparameters) withMethodHandles.dropArguments(MethodHandle, int, List).Constructors in jdk.dynalink.linker with parameters of type ClassModifierConstructorDescriptionGuardedInvocation(MethodHandle invocation, MethodHandle guard, SwitchPoint[] switchPoints, Class<? extends Throwable> exception) Creates a new guarded invocation, with a guard method handle, any number of switch points that can be used to invalidate it, and an exception that if thrown when invoked also invalidates it.GuardedInvocation(MethodHandle invocation, MethodHandle guard, SwitchPoint switchPoint, Class<? extends Throwable> exception) Creates a new guarded invocation, with a guard method handle, a switch point that can be used to invalidate it, and an exception that if thrown when invoked also invalidates it. -
Uses of Class in jdk.dynalink.linker.support
Methods in jdk.dynalink.linker.support that return ClassModifier and TypeMethodDescriptionstatic Class<?>TypeUtilities.getPrimitiveType(Class<?> wrapperType) When passed a class representing a wrapper for a primitive type, returns the class representing the corresponding primitive type.static Class<?>TypeUtilities.getPrimitiveTypeByName(String name) Given a name of a primitive type returns the class representing it.static Class<?>TypeUtilities.getWrapperType(Class<?> primitiveType) When passed a class representing a primitive type, returns the class representing the corresponding wrapper type.Methods in jdk.dynalink.linker.support with parameters of type ClassModifier and TypeMethodDescriptionbooleanCompositeTypeBasedGuardingDynamicLinker.canLinkType(Class<?> type) Returns true if at least one of the composite linkers returns true fromTypeBasedGuardingDynamicLinker.canLinkType(Class)for the type.Lookup.findGetter(Class<?> refc, String name, Class<?> type) Performs aMethodHandles.Lookup.findGetter(Class, String, Class), converting any encounteredIllegalAccessExceptioninto anIllegalAccessErrorandNoSuchFieldExceptioninto aNoSuchFieldError.static MethodHandleLookup.findOwnSpecial(MethodHandles.Lookup lookup, String name, Class<?> rtype, Class<?>... ptypes) Given a lookup, finds usingLookup.findSpecial(Class, String, MethodType)a method on that lookup's class.Lookup.findOwnSpecial(String name, Class<?> rtype, Class<?>... ptypes) Finds usingLookup.findSpecial(Class, String, MethodType)a method on that lookup's class.static MethodHandleLookup.findOwnStatic(MethodHandles.Lookup lookup, String name, Class<?> rtype, Class<?>... ptypes) Given a lookup, finds usingLookup.findStatic(Class, String, MethodType)a method on that lookup's class.Lookup.findOwnStatic(String name, Class<?> rtype, Class<?>... ptypes) Finds usingLookup.findStatic(Class, String, MethodType)a method on that lookup's class.Lookup.findSpecial(Class<?> declaringClass, String name, MethodType type) Performs aMethodHandles.Lookup.findSpecial(Class, String, MethodType, Class)on the underlying lookup.Lookup.findStatic(Class<?> declaringClass, String name, MethodType type) Performs aMethodHandles.Lookup.findStatic(Class, String, MethodType)on the underlying lookup.Lookup.findVirtual(Class<?> declaringClass, String name, MethodType type) Performs aMethodHandles.Lookup.findVirtual(Class, String, MethodType)on the underlying lookup.static MethodHandleGuards.getClassGuard(Class<?> clazz) Creates a guard method that tests its only argument for being of an exact particular class.static MethodHandleGuards.getInstanceOfGuard(Class<?> clazz) Creates a guard method that tests its only argument for being an instance of a particular class.static Class<?>TypeUtilities.getPrimitiveType(Class<?> wrapperType) When passed a class representing a wrapper for a primitive type, returns the class representing the corresponding primitive type.static Class<?>TypeUtilities.getWrapperType(Class<?> primitiveType) When passed a class representing a primitive type, returns the class representing the corresponding wrapper type.static booleanTypeUtilities.isConvertibleWithoutLoss(Class<?> sourceType, Class<?> targetType) Determines whether a type can be converted to another without losing any precision.static MethodHandleGuards.isInstance(Class<?> clazz, int pos, MethodType type) Creates a method handle with arguments of a specified type, but with boolean return value.static MethodHandleGuards.isInstance(Class<?> clazz, MethodType type) Creates a method handle with arguments of a specified type, but with boolean return value.static booleanTypeUtilities.isMethodInvocationConvertible(Class<?> sourceType, Class<?> targetType) Determines whether one type can be converted to another type using a method invocation conversion, as per JLS 5.3 "Method Invocation Conversion".static MethodHandleGuards.isOfClass(Class<?> clazz, MethodType type) Creates a guard method handle with arguments of a specified type, but with boolean return value.static booleanDetermines whether one type is a subtype of another type, as per JLS 4.10 "Subtyping".static booleanTypeUtilities.isWrapperType(Class<?> type) Returns true if the passed type is a wrapper for a primitive type. -
Uses of Class in jdk.incubator.foreign
Methods in jdk.incubator.foreign with parameters of type ClassModifier and TypeMethodDescriptionstatic VarHandleMemoryHandles.asUnsigned(VarHandle target, Class<?> adaptedType) Adapts a target var handle by narrowing incoming values and widening outgoing values, to and from the given type, respectively.static VarHandleMemoryHandles.dropCoordinates(VarHandle target, int pos, Class<?>... valueTypes) Returns a var handle which will discard some dummy coordinates before delegating to the target var handle.static VarHandleCreates a memory access var handle with the given carrier type, alignment constraint, and byte order.static VarHandleCreates a memory access var handle with the given carrier type and byte order.default VarHandleMemoryLayout.varHandle(Class<?> carrier, MemoryLayout.PathElement... elements) Creates a memory access var handle that can be used to dereference memory at the layout selected by a given layout path, where the path is considered rooted in this layout.Method parameters in jdk.incubator.foreign with type arguments of type ClassModifier and TypeMethodDescriptionstatic VarHandleMemoryHandles.permuteCoordinates(VarHandle target, List<Class<?>> newCoordinates, int... reorder) Provides a var handle which adapts the coordinate values of the target var handle, by re-arranging them so that the new coordinates match the provided ones. -
Uses of Class in jdk.incubator.vector
Methods in jdk.incubator.vector that return ClassModifier and TypeMethodDescriptionVectorOperators.Conversion.domainType()The domain of this conversion, a primitive type.Vector.elementType()Returns the primitive element type (ETYPE) of this vector.VectorSpecies.elementType()Returns the primitive element type of vectors of this species.Class<? extends VectorMask<E>>VectorSpecies.maskType()Returns the vector mask type for this species.VectorOperators.Conversion.rangeType()The range of this conversion, a primitive type.Class<?>VectorOperators.Operator.rangeType()Reports the special return type of this operator.VectorSpecies.vectorType()Returns the vector type of this species.Methods in jdk.incubator.vector with parameters of type ClassModifier and TypeMethodDescriptionabstract <F> Vector<F>Checks that this vector has the given element type, and returns this vector unchanged.abstract <F> VectorMask<F>Checks that this mask applies to vectors with the given element type, and returns this mask unchanged.<E,F> VectorOperators.Conversion<E, F> Ensures that this conversion has the desired domain and range types.<F> VectorSpecies<F>Checks that this species has the given element type, and returns this species unchanged.booleanVectorOperators.Operator.compatibleWith(Class<?> elementType) Reports whether this operator is compatible with the proposed element type.static intVectorSpecies.elementSize(Class<?> elementType) Returns the bit-size of the given vector element type (ETYPE).static <E> VectorSpecies<E>VectorSpecies.of(Class<E> elementType, VectorShape shape) Finds a species for an element type and shape.static <E,F> VectorOperators.Conversion<E, F> The Java language assignment or casting conversion between two types.static <E> VectorSpecies<E>VectorSpecies.ofLargestShape(Class<E> etype) Finds the largest vector species of the given element type.static <E> VectorSpecies<E>VectorSpecies.ofPreferred(Class<E> etype) Finds the species preferred by the current platform for a given vector element type.static <E,F> VectorOperators.Conversion<E, F> VectorOperators.Conversion.ofReinterpret(Class<E> from, Class<F> to) The bitwise reinterpretation between two types.<E> VectorSpecies<E>Finds a vector species with the given element type and the current shape.<F> VectorSpecies<F>Finds a species with the given element type and the same shape as this species. -
Uses of Class in jdk.jfr
Modifier and TypeMethodDescriptionstatic voidFlightRecorder.addPeriodicEvent(Class<? extends Event> eventClass, Runnable hook) Adds a hook for a periodic event.Disables event.Enables event.final <A> AAnnotationElement.getAnnotation(Class<? extends Annotation> annotationType) Returns the first annotation for the specified type if anAnnotationElementwith the same name exists, elsenull.<A extends Annotation>
AEventType.getAnnotation(Class<A> annotationClass) Returns the first annotation for the specified type if an annotation element with the same name is directly present, otherwisenull.<A extends Annotation>
ASettingDescriptor.getAnnotation(Class<A> annotationType) Returns the first annotation for the specified type if an annotation element with the same name is available,nullotherwise.<A extends Annotation>
AValueDescriptor.getAnnotation(Class<A> annotationType) Returns the first annotation for the specified type if an annotation element with the same name is directly present for this value descriptor,nullotherwise.static EventTypeEventType.getEventType(Class<? extends Event> eventClass) Returns the event type for an event class, ornullif it doesn't exist.static voidRegisters an event class.static voidFlightRecorder.unregister(Class<? extends Event> eventClass) Unregisters an event class.ModifierConstructorDescriptionAnnotationElement(Class<? extends Annotation> annotationType) Creates an annotation element to use for dynamically defined events.AnnotationElement(Class<? extends Annotation> annotationType, Object value) Creates an annotation element to use for dynamically defined events.AnnotationElement(Class<? extends Annotation> annotationType, Map<String, Object> values) Creates an annotation element to use for dynamically defined events.ValueDescriptor(Class<?> type, String name) Constructs a value descriptor, useful for dynamically creating event types and annotations.ValueDescriptor(Class<?> type, String name, List<AnnotationElement> annotations) Constructs a value descriptor, useful for dynamically creating event types and annotations. -
Uses of Class in jdk.jfr.consumer
Methods in jdk.jfr.consumer with parameters of type ClassModifier and TypeMethodDescriptionDisables event.Enables event. -
Uses of Class in jdk.jshell.execution
Methods in jdk.jshell.execution that return Class -
Uses of Class in jdk.net
Modifier and TypeMethodDescriptionstatic Set<SocketOption<?>>Sockets.supportedOptions(Class<?> socketType) Deprecated, for removal: This API element is subject to removal in a future version.
defineClass(String, byte[], int, int)