Meta4.java

package chapter12;


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

//An annotation type declaration that includes defaults
@Retention(RetentionPolicy.RUNTIME)
@interface MyAnno4 {
    String str() default "Testing";

    int val() default 9000;
}

public class Meta4 {

    //Annotate the method using the default values
    @MyAnno4()
    public static void myMeth() {

        Meta4 ob = new Meta4();
        //Obtain the annotation for this method.
        try {
            Class<?> c = ob.getClass();
            Method m = c.getMethod("myMeth");
            MyAnno4 anno = m.getAnnotation(MyAnno4.class);
            System.out.println(anno.str() + " - " + anno.val());

        } catch (NoSuchMethodException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        myMeth();
    }
}