Java Class getAnnotations() Method21 Mar 2025 | 1 min read The getAnnotations() 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. SyntaxParameterNo parameter is passed. Returnsannotations present on this element ThrowsDoes not throw an exception. Example 1Output: Annotations not set Example 2Output: @Class.Demo3(str=Demo Annotation, val=100) Next TopicJava Class |
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 method of java Class class returns the interfaces directly implemented by the class or the interface represented by the current object. Syntax public Class<?>[] Parameter No parameter is passed. Returns An array of interfaces. Throws Does not throw an exception. Example 1 //import statements import java.lang.*; import java.util.*; public class...
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Java Class Method The method of java Class class returns this element's annotation for the specified type if such an annotation is directly present, otherwise null. It ignores inherited annotations. Syntax public <A extends Annotation> A[] getDeclaredAnnotationsByType(Class<A> annotationClass) Parameter annotationClass - the Class object corresponding to the annotation...
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Java Class Method The method of java Class class returns this element's annotation for the specified type if such an annotation is present, otherwise returns the null. Syntax public <A extends Annotation> A getAnnotation(Class<A> annotationClass) Parameter A - the type of the annotation to query for and return...
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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 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 gets the superclass of this class. If no superclass exists then null is returned. Syntax public Class<? super T> getSuperclass() Parameter NA Returns Immediate superclass of the class Throws NA Example 1 import java.lang.*; public class ClassgetSuperClassExample1 extends Object { public static void main(String...
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Java Class Method The method of java Class class returns a method object representing the specified method declared inside the class or the interface of this class. Syntax public Method getDeclaredMethod(String name, Class<?>... parameterTypes) throws NoSuchMethodException, SecurityException Parameter name - the name of the method parameterTypes -...
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Java Class Method The getField() method of java Class class returns the Types as an array of the type Type representing the interfaces directly implemented by the class or interface. Syntax public Type[] Parameter NA Returns An array. Throws GenericSignatureFormatError, TypeNotPresentException MalformedParameterizedTypeException Example 1 //import statements import java.lang.reflect.*; public class ClassgetGenericInterfacesExample1 { ...
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Java Class Method The getDeclaredConstructoe() method of java Class class returns a constructor object representing all the constructors present in the class. Syntax public Constructor<T> getDeclaredConstructor(Class<?>... parameterTypes) throws NoSuchMethodException, SecurityException Parameter parameterTypes - the parameter array Returns Constructor object. Throws NoSuchMethodException , SecurityException Example 1 import java.lang.reflect.Constructor; public class ClassgetDeclaredConstructorExample1 { ...
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