Java Class isAnnotationPresent() Method

The isAnnotationPresent() method of java Class class returns true if an annotation for the specified type is present on this element, false otherwise.

Syntax

Parameter

annotationClass - the Class object corresponding to the annotation type

Returns

true if an annotation for the specified annotation type is present on this element.

Throws

NullPointerException

Example 1

import java.io.LineNumberInputStream;
public class ClassisAnnotationPresentExample1 {

    public static void main(String... args) {
        Class<ClassisAnnotationPresentExample1> class1 = ClassisAnnotationPresentExample1.class;
        boolean bl = class1.isAnnotationPresent(Deprecated.class);
        System.out.println("Check isAnnotationPresent  :::   " +bl);
    }
}

Test it Now

Output:

Check isAnnotationPresent  :::   false

Example 2

//import statements?
import java.io.LineNumberInputStream;
public class ClassisAnnotationPresentExample2 {
    public static void main(String... args) {
        Class<LineNumberInputStream> class1 = LineNumberInputStream.class;
        boolean bl = class1.isAnnotationPresent(Deprecated.class);
        System.out.println("Check isAnnotationPresent  :::   " +bl);
    }
}

Test it Now

Output: