Annotation test

gistfile1.txt

// Annotation1.java

package bar.baz;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface Annotation1 {

}

// Annotation2.java

package bar.baz;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface Annotation2 {

}

// AnnotationTest.java

package bar.baz;

import java.lang.annotation.Annotation;
import java.lang.reflect.Method;

public class AnnotationTest {
    @Annotation1
    public static @Annotation2 String hello() {
        return "hello";
    }

    public static void main(String[] args) throws Exception {
        Method m = AnnotationTest.class.getMethod("hello");
        System.out.println("Annotations : ");
        for (Annotation a : m.getAnnotations()) {
            System.out.println(a);
        }
        System.out.println("Annotation 1 : " + m.getAnnotation(Annotation1.class));
        System.out.println("Annotation 2 : " + m.getAnnotation(Annotation2.class));
    }
}

// Output:

Annotations : 
@bar.baz.Annotation1()
@bar.baz.Annotation2()
Annotation 1 : @bar.baz.Annotation1()
Annotation 2 : @bar.baz.Annotation2()