Anotation与工厂设计模式

import java.lang.annotation.Annotation;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;

public class Factory {
}
@Retention(RetentionPolicy.RUNTIME)
@interface MyAnotation{
    public String name();
    public int age();
}
@MyAnotation(name="smith",age = 19)
class Emp{
    public static void main(String[] args) {
        MyAnotation myAnotation = Emp.class.getAnnotation(MyAnotation.class);
        System.out.println(myAnotation.name());
        System.out.println(myAnotation.age());
    }


}