静态代理模式

public class staticProxy {

    interface Marry{
        void happyMarry();
    }
    static class You implements Marry{
        @Override
        public void happyMarry() {
            System.out.println("自己要结婚了！！！");
        }
    }
    static class WeddingCompany implements Marry{

        private Marry target;

        public WeddingCompany(Marry target) {
            this.target = target;
        }

        @Override
        public void happyMarry() {
            before();
            this.target.happyMarry();
            after();
        }

        private void after() {
            System.out.println("收钱");
        }

        private void before() {
            System.out.println("开始布置");
        }
    }

    public static void main(String[] args) {
        new WeddingCompany(new You()).happyMarry();
    }
}