Class isAnnotationPresent() method in Java with Examples

// Java program to demonstrate
// isAnnotationPresent() method

import java.util.*;
import java.lang.annotation.*;

// create a custom Annotation
@Retention(RetentionPolicy.RUNTIME)
@interface Annotation {

    // This annotation has two attributes.
    public String key();

    public String value();
}

// call Annotation for method
// and pass values for annotation
@Annotation(key = "GFG", value = "GeeksForGeeks")
public class Test {

    public static void main(String[] args)
        throws ClassNotFoundException
    {

        // returns the Class object for this class
        Class myClass = Test.class;

        System.out.println("Class represented by myClass: "
                           + myClass.toString());

        // Check if there is any annotation
        // using isAnnotationPresent() method
        System.out.println(
            "If there is any annotation in myClass: "
            + myClass.isAnnotationPresent(
                  Annotation.class));
    }
}

// Java program to demonstrate
// isAnnotationPresent() method

import java.util.*;
import java.lang.annotation.*;

// Class with no annotations
public class Test {

    public static void main(String[] args)
        throws ClassNotFoundException
    {

        // returns the Class object for this class
        Class myClass = Test.class;

        System.out.println("Class represented by myClass: "
                           + myClass.toString());

        // Get the annotation
        // using isAnnotationPresent() method
        System.out.println(
            "If there is any annotation in myClass: "
            + myClass.isAnnotationPresent(
                  Annotation.class));
    }
}