MyAnno.java Source code

Introduction

Here is the source code for MyAnno.java

Source

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.reflect.Method;

@Retention(RetentionPolicy.RUNTIME)
@interface MyAnno {
    String str();

    int val();
}

class Meta {
    @MyAnno(str = "Two Parameters", val = 19)
    public static void myMeth(String str, int i) {
        Meta ob = new Meta();

        try {
            Class c = ob.getClass();

            Method m = c.getMethod("myMeth", String.class, int.class);

            MyAnno anno = m.getAnnotation(MyAnno.class);

            System.out.println(anno.str() + " " + anno.val());
        } catch (NoSuchMethodException exc) {
            System.out.println("Method Not Found.");
        }
    }

    public static void main(String args[]) {
        myMeth("test", 10);
    }
}