Java Class isInterface() Method21 Mar 2025 | 1 min read The isInterface() method of java Class class checks if the specified class object represents interface or not. If not then return false. SyntaxParameterNA Returnstrue if this object represents an interface; false otherwise. ThrowsNA Example 1Output: It is an interface ? : false Example 2Output: true Next TopicJava Class |
Java Class Method The method of java Class class returns this element's annotation for the specified type if any annotation is directly present otherwise null. Syntax public <A extends Annotation> A getDeclaredAnnotation(Class<A> annotationClass) Parameter annotationClass - the Class object corresponding to the annotation type Returns annotation for the specified annotation...
2 min read
Java Class Method The method of java Class class checks if the specified Class object represents a primitive type. Syntax public boolean Parameter NA Returns true if and only if this class represents a primitive type. Throws NA Example 1 public class ClassisPrimitiveExample1 { public static void main(String... args) { ...
1 min read
class class instances represent the classes and interfaces in a running java application. Every Array belongs to a class is a Class object and it is shared by all arrays (with same element type and number of dimensions). Methods Method Description asSubclass(Class<U> clazz) It casts this Class object to represent a...
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Java Class Method The method of java Class class returns the canonical name of the class as defined by the Java Language Specification. Otherwise, it returns Null. Syntax public String Parameter No parameter is passed. Returns The canonical name of the underlying class if it exists, otherwise Null. Throws Does not...
1 min read
Java Class Method The method of java Class class returns true if this class is a synthetic class; returns false otherwise. Syntax public boolean Parameter No parameter is passed. Returns true if and only if this class is a synthetic class as defined by the Java Language Specification. Throws NA Example 1 import...
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Java Class Method The cast() method of java Class class casts an object to the class or interface represented by this Class object. Syntax public T cast(Object obj) Parameter obj - the object to be cast Returns the object after casting, or null if obj is null Throws ClassCastException Example 1 class Base { ...
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Java Class Method The method of java Class class returns the ProtectionDomain of this class. This method internally calls the checkPermission() method of the Security Manager (installed with this class) is called with a RuntimePermission to check if it is okay to get the...
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Java Class Method The getGenericSuperClass() method of java Class class returns a method object representing the specified public member method of the class or interface represented by this Class object. The name parameter is passed as a string. Syntax public Method getMethod(String name, Class<?>... parameterTypes) throws NoSuchMethodException,...
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Java Class Method The method of java Class class returns an array containing the Class objects which represents all the public classes and interfaces that are members of the class represented by the Class object. Syntax public Class<?>[] Parameter NA Returns Returns an array of class object. Throws SecurityException Example 1 import java.lang.*; public...
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Java Class Method The method of java Class class returns true if an annotation for the specified type is present on this element, false otherwise. Syntax public boolean isAnnotationPresent(Class<? extends Annotation> annotationClass) Parameter annotationClass - the Class object corresponding to the annotation type Returns true if an annotation for the...
1 min read
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