接口应用之----代理设计模式

xiaoxiao2021-03-25 89

interface Subject{ public void make(); } class RealSubject implements Subject{ public void make(){ System.out.println("皇帝陛下正在XXX。"); } } class ProxySubject implements Subject{ private Subject subject; public ProxySubject(Subject subject){ this.subject=subject; } public void prepare(){ System.out.println("为临幸做准备！！"); } public void make(){ this.prepare(); this.subject.make(); this.destroy(); } public void destroy(){ System.out.println("抱娘娘回宫，伺候皇上睡觉。。。"); } } public class InterfaceDemo03{ public static void main(String[] args){ Subject sub=new ProxySubject(new RealSubject()); sub.make(); } }

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