package Annotation_14;

import java.lang.annotation.Annotation;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

@Retention(value = RetentionPolicy.RUNTIME)

@interface MyTag {

String name() default "mhb";

int age();

}

public class Test {

@MyTag(age = 12, name = "sss")

public void info() {

}

public static void main(String[] args) {

try {

Annotation[] aArray = Class.forName("Annotation_14.Test").getMethod("info").getAnnotations();

for (Annotation an : aArray

) {

System.out.println("annotation is " + an);

}

} catch (Exception e) {

System.out.println(e.getMessage());

}

Test tt = new Test();

try {

Annotation[] anArray = tt.getClass().getMethod("info").getAnnotations();

for (Annotation an : anArray

) {

System.out.println("annotation is " + an);

if (an instanceof MyTag) {

System.out.println("Tag is :" + an);

MyTag anTag = (MyTag) an;

System.out.println(anTag.name() + " "+ anTag.age());

}

}

} catch (Exception e) {

System.out.println(e.getMessage());

}

}

}