Java Reflection - Class.isAnnotationPresent() Examples

Java Reflection Java Java API 

Class:

java.lang.Class

Method:

public boolean isAnnotationPresent(Class<? extends Annotation> annotationClass)

Parameters:

annotationClass - the Class object corresponding to the annotation type

Returns:

true if an annotation for the specified annotation type is present on this element, else false

Examples

package com.logicbig.example.clazz;

import java.io.LineNumberInputStream;

public class IsAnnotationPresentExample {

    public static void main(String... args) {
        Class<LineNumberInputStream> c = LineNumberInputStream.class;
        boolean b = c.isAnnotationPresent(Deprecated.class);
        System.out.println(b);
    }
}

Output

true