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Uses of Class
java.lang.Class

Uses of Class in java.lang

 

Fields in java.lang declared as Class
private  Class[]	Class.MethodKey.params
private  Class	Class.MethodKey.returnType
static Class	Boolean.TYPE           The primitive type boolean is represented by this Class object.
static Class	Character.TYPE           Class object representing the primitive char data type.
static Class	Float.TYPE           The primitive type float is represented by this Class object.
static Class	Double.TYPE           The primitive type double is represented by this Class object.
static Class	Byte.TYPE           The primitive type byte is represented by this Class object.
static Class	Short.TYPE           The primitive type short is represented by this Class object.
static Class	Integer.TYPE           The primitive type int is represented by this Class object.
static Class	Long.TYPE           The primitive type long is represented by this Class object.
static Class	Void.TYPE           The return type void is represented by this Class object.
private  Class	EnumConstantNotPresentException.enumType           The enum's type.

 

Methods in java.lang that return Class
(package private) static Class	VMObject.getClass(Object obj)           Returns the runtime Class of a given Object.
(package private) static Class	VMClass.getSuperclass(Class klass)           Get the direct superclass of this class.
(package private) static Class[]	VMClass.getInterfaces(Class klass)           Get the interfaces this class directly implements, in the order that they were declared.
(package private) static Class	VMClass.getComponentType(Class klass)           If this is an array, get the Class representing the type of array.
(package private) static Class	VMClass.getDeclaringClass(Class klass)           If this is a nested or inner class, return the class that declared it.
(package private) static Class[]	VMClass.getDeclaredClasses(Class klass, boolean publicOnly)           Like getDeclaredClasses() but without the security checks.
(package private) static Class	VMClass.forName(String name, boolean initialize, ClassLoader loader)           Load the requested class and record the specified loader as the initiating class loader.
(package private) static Class	VMClass.getEnclosingClass(Class klass)           Returns the class which immediately encloses the specified class.
(package private) static Class[]	VMSecurityManager.getClassContext()           Get a list of all the classes currently executing methods on the Java stack.
(package private) static Class	VMClassLoader.defineClass(ClassLoader cl, String name, byte[] data, int offset, int len, java.security.ProtectionDomain pd)           Helper to define a class using a string of bytes.
(package private) static Class	VMClassLoader.loadClass(String name, boolean resolve)           Helper to load a class from the bootstrap class loader.
(package private) static Class	VMClassLoader.getPrimitiveClass(char type)           Helper for java.lang.Integer, Byte, etc to get the TYPE class at initialization time.
(package private) static Class	VMClassLoader.findLoadedClass(ClassLoader cl, String name)           Find the class if this class loader previously defined this class or if this class loader has been recorded as the initiating class loader for this class.
(package private) static Class	VMClassLoader.defineClassWithTransformers(ClassLoader loader, String name, byte[] data, int offset, int len, java.security.ProtectionDomain pd)           Call the transformers of the possible Instrumentation object.
Class	Object.getClass()           Returns the runtime Class of this Object.
static Class	Class.forName(String name)           Use the classloader of the current class to load, link, and initialize a class.
static Class	Class.forName(String name, boolean initialize, ClassLoader classloader)           Use the specified classloader to load and link a class.
Class[]	Class.getClasses()           Get all the public member classes and interfaces declared in this class or inherited from superclasses.
private  Class[]	Class.internalGetClasses()           Like getClasses() but without the security checks.
Class	Class.getComponentType()           If this is an array, get the Class representing the type of array.
Class[]	Class.getDeclaredClasses()           Get all the declared member classes and interfaces in this class, but not those inherited from superclasses.
(package private)  Class[]	Class.getDeclaredClasses(boolean publicOnly)
Class	Class.getDeclaringClass()           If this is a nested or inner class, return the class that declared it.
Class[]	Class.getInterfaces()           Get the interfaces this class directly implements, in the order that they were declared.
Class	Class.getSuperclass()           Get the direct superclass of this class.
Class	Class.asSubclass(Class klass)            Casts this class to represent a subclass of the specified class.
Class	Class.getEnclosingClass()           Returns the class which immediately encloses this class.
Class	ClassLoader.loadClass(String name)           Load a class using this ClassLoader or its parent, without resolving it.
protected  Class	ClassLoader.loadClass(String name, boolean resolve)           Load a class using this ClassLoader or its parent, possibly resolving it as well using resolveClass().
protected  Class	ClassLoader.findClass(String name)           Called for every class name that is needed but has not yet been defined by this classloader or one of its parents.
protected  Class	ClassLoader.defineClass(byte[] data, int offset, int len)           Deprecated. use ClassLoader.defineClass(String, byte[], int, int) 55 instead
protected  Class	ClassLoader.defineClass(String name, byte[] data, int offset, int len)           Helper to define a class using a string of bytes without a ProtectionDomain.
protected  Class	ClassLoader.defineClass(String name, byte[] data, int offset, int len, java.security.ProtectionDomain domain)           Helper to define a class using a string of bytes.
protected  Class	ClassLoader.defineClass(String name, java.nio.ByteBuffer buf, java.security.ProtectionDomain domain)           Helper to define a class using the contents of a byte buffer.
protected  Class	ClassLoader.findSystemClass(String name)           Helper to find a Class using the system classloader, possibly loading it.
protected  Class	ClassLoader.findLoadedClass(String name)           Helper to find an already-loaded class in this ClassLoader.
Class	Enum.getDeclaringClass()           Returns the type of this enumeration constant.
protected  Class[]	SecurityManager.getClassContext()           Get a list of all the classes currently executing methods on the Java stack.
protected  Class	SecurityManager.currentLoadedClass()           Deprecated. use SecurityManager.checkPermission(Permission) 55 instead
Class	EnumConstantNotPresentException.enumType()           Return the enum type which is missing a constant.

 

Methods in java.lang with parameters of type Class
static boolean	VMCompiler.compileClass(Class oneClass)           Compile the class named by oneClass.
(package private) static boolean	VMClass.isInstance(Class klass, Object o)           Discover whether an Object is an instance of this Class.
(package private) static boolean	VMClass.isAssignableFrom(Class klass, Class c)           Discover whether an instance of the Class parameter would be an instance of this Class as well.
(package private) static boolean	VMClass.isInterface(Class klass)           Check whether this class is an interface or not.
(package private) static boolean	VMClass.isPrimitive(Class klass)           Return whether this class is a primitive type.
(package private) static String	VMClass.getName(Class klass)           Get the name of this class, separated by dots for package separators.
(package private) static Class	VMClass.getSuperclass(Class klass)           Get the direct superclass of this class.
(package private) static Class[]	VMClass.getInterfaces(Class klass)           Get the interfaces this class directly implements, in the order that they were declared.
(package private) static Class	VMClass.getComponentType(Class klass)           If this is an array, get the Class representing the type of array.
(package private) static int	VMClass.getModifiers(Class klass, boolean ignoreInnerClassesAttrib)           Get the modifiers of this class.
(package private) static Class	VMClass.getDeclaringClass(Class klass)           If this is a nested or inner class, return the class that declared it.
(package private) static Class[]	VMClass.getDeclaredClasses(Class klass, boolean publicOnly)           Like getDeclaredClasses() but without the security checks.
(package private) static java.lang.reflect.Field[]	VMClass.getDeclaredFields(Class klass, boolean publicOnly)           Like getDeclaredFields() but without the security checks.
(package private) static java.lang.reflect.Method[]	VMClass.getDeclaredMethods(Class klass, boolean publicOnly)           Like getDeclaredMethods() but without the security checks.
(package private) static java.lang.reflect.Constructor[]	VMClass.getDeclaredConstructors(Class klass, boolean publicOnly)           Like getDeclaredConstructors() but without the security checks.
(package private) static ClassLoader	VMClass.getClassLoader(Class klass)           Return the class loader of this class.
(package private) static boolean	VMClass.isArray(Class klass)           Return whether this class is an array type.
(package private) static String	VMClass.getSimpleName(Class klass)           Returns the simple name for the specified class, as used in the source code.
(package private) static java.lang.annotation.Annotation[]	VMClass.getDeclaredAnnotations(Class klass)           Returns all annotations directly defined by the specified class.
(package private) static String	VMClass.getCanonicalName(Class klass)            Returns the canonical name of the specified class, as defined by section 6.7 of the Java language specification.
(package private) static Class	VMClass.getEnclosingClass(Class klass)           Returns the class which immediately encloses the specified class.
(package private) static java.lang.reflect.Constructor	VMClass.getEnclosingConstructor(Class klass)           Returns the constructor which immediately encloses the specified class.
(package private) static java.lang.reflect.Method	VMClass.getEnclosingMethod(Class klass)           Returns the method which immediately encloses the specified class.
(package private) static String	VMClass.getClassSignature(Class klass)           Returns the class signature as specified in Class File Format chapter in the VM specification, or null if the class is not generic.
(package private) static boolean	VMClass.isAnonymousClass(Class klass)           Returns true if the specified class represents an anonymous class.
(package private) static boolean	VMClass.isLocalClass(Class klass)           Returns true if the specified class represents an local class.
(package private) static boolean	VMClass.isMemberClass(Class klass)           Returns true if the specified class represents an member class.
(package private) static void	VMClassLoader.resolveClass(Class c)           Helper to resolve all references to other classes from this class.
java.lang.reflect.Constructor	Class.getConstructor(Class[] types)           Get a public constructor declared in this class.
java.lang.reflect.Constructor	Class.getDeclaredConstructor(Class[] types)           Get a constructor declared in this class.
java.lang.reflect.Method	Class.getDeclaredMethod(String methodName, Class[] types)           Get a method declared in this class, where name is its simple name.
java.lang.reflect.Method	Class.getMethod(String methodName, Class[] types)           Get a public method declared or inherited in this class, where name is its simple name.
private  java.lang.reflect.Method	Class.internalGetMethod(String methodName, Class[] args)           Like getMethod(String,Class[]) but without the security checks and returns null instead of throwing NoSuchMethodException.
private static java.lang.reflect.Method	Class.matchMethod(java.lang.reflect.Method[] list, String name, Class[] args)           Find the best matching method in list according to the definition of ``best matching'' used by getMethod()
private static boolean	Class.matchParameters(Class[] types1, Class[] types2)           Check for an exact match between parameter type lists.
boolean	Class.isAssignableFrom(Class c)           Discover whether an instance of the Class parameter would be an instance of this Class as well.
Class	Class.asSubclass(Class klass)            Casts this class to represent a subclass of the specified class.
java.lang.annotation.Annotation	Class.getAnnotation(Class annotationClass)           Returns this class' annotation for the specified annotation type, or null if no such annotation exists.
boolean	Class.isAnnotationPresent(Class annotationClass)           Returns true if an annotation for the specified type is associated with this class.
protected  void	ClassLoader.resolveClass(Class c)           Links the class, if that has not already been done.
protected  void	ClassLoader.setSigners(Class c, Object[] signers)           Helper to set the signers of a class.
static boolean	Compiler.compileClass(Class oneClass)           Compile the class named by oneClass.
java.lang.annotation.Annotation	Package.getAnnotation(Class annotationClass)           Returns this package's annotation for the specified annotation type, or null if no such annotation exists.
boolean	Package.isAnnotationPresent(Class annotationClass)           Returns true if an annotation for the specified type is associated with this package.
static Enum	Enum.valueOf(Class etype, String s)           Returns an Enum for a enum class given a description string of the enum constant.
void	SecurityManager.checkMemberAccess(Class c, int memberType)           Check if the current thread is allowed to get certain types of Methods, Fields and Constructors from a Class object.

 

Constructors in java.lang with parameters of type Class

EnumConstantNotPresentException(Class theEnum, String name)           Create a new EnumConstantNotPresentException with the indicated enum type and enum constant name.

 

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