Java Class getDeclaredAnnotation() Method21 Mar 2025 | 1 min read The getDeclaredAnnotation() method of java Class class returns this element's annotation for the specified type if any annotation is directly present otherwise null. SyntaxParameterannotationClass - the Class object corresponding to the annotation type Returnsannotation for the specified annotation type ThrowsNullPointerException Example 1Output: @java.lang.Deprecated() null Example 2Output: @java.lang.Deprecated() null null null Next TopicJava Class |
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 a field object representing the specified field declared inside the class or interface of this class. Syntax public Field getDeclaredField(String name) throws NoSuchFieldException, SecurityException Parameter name - the name of the field Returns Field object. Throws NoSuchMethodException , SecurityException Example 1 import java.lang.reflect.*; public class ClassgetDeclaredFieldExample1...
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Java Class Method The method of java Class casts this Class object to represent a subclass of the class represented by the specified class object. It throws a ClassCastException if the cast is not valid otherwise it returns a reference to this(current) class object. Syntax public...
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Java Class Method The method of java Class class returns an array containing the method objects which represent all the public methods of the class or interface represented by a Class object, including those declared by the class or interface and inherited from superclasses...
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Java Class Method The method of java Class class returns a Constructor object that reflects the public constructor of the class. Syntax public Constructor<T> getConstructor(Class<?>... parameterTypes) throws NoSuchMethodException, SecurityException Parameter parameterTypes - the parameter array. Returns Constructor object. Throws NoSuchMethodException , SecurityException Example 1 //import statements import java.lang.reflect.*; public class ClassgetConstructorExample1 { 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...
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Java Class Method The method of java Class class returns the assertion status that would be assigned to this (current class object) class, if it is to be initialized at the time method is invoked. If the assertion status is already set, the...
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Java Class Method The method of java Class class returns annotations that are present on this element. If there are no annotations present on this element, then it returns an array of length 0. The caller of this method can modify the returned array. Syntax public...
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Java Class Method The method of java Class class returns an array of method objects representing all the methods defined in this class object. If no method is declared, then it returns an array of length 0. Syntax public Method[] throws SecurityException Parameter NA Returns An array of method...
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Java Class Method The method of java Class class returns the simple name of the underlying class as given in the source code. In the case of an anonymous class, it returns an empty string. Syntax public String Parameter NA Returns The simple name of the underlying class. Throws NA Example 1 //import...
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