静态代理模式

public interface Star {
    public void confer();
    public void sign();
    public void bookTicket();
    public void sing();
    public void collectMoney();
}

public class RealStar implements Star{

    @Override
    public void confer() {
        System.out.println("面谈");
    }

    @Override
    public void sign() {
        System.out.println("签合同");
    }

    @Override
    public void bookTicket() {
        System.out.println("订票");
    }

    @Override
    public void sing() {
        System.out.println("(蔡徐坤)唱歌");
    }

    @Override
    public void collectMoney() {
        System.out.println("收尾款");    
    }
}

public class ProxyStar implements Star {

    private Star star;
    
    public ProxyStar(Star star) {
        super();
        this.star = star;
    }

    @Override
    public void confer() {
        System.out.println("面谈");
        
    }

    @Override
    public void sign() {
        System.out.println("签合同");
    }

    @Override
    public void bookTicket() {
        System.out.println("订票");
        
    }

    @Override
    public void sing() {
        //代理人自己不能唱歌,需要调歌手的唱歌的sing()方法; 需要对象
        star.sing();
    }

    @Override
    public void collectMoney() {
        System.out.println("收尾款");    
        
    }

}

public class Client {
    public static void main(String[] args) {
        Star realstar= new RealStar();
        Star proxystar = new ProxyStar(realstar); //理解它代理明星
        //干嘛; 主要目的调用它的方法
        proxystar.confer();
        proxystar.sign();
        proxystar.bookTicket();
        proxystar.sing();
        proxystar.collectMoney();
        
        //目的:  通过代理才能拿到真实的内容(方法)
    }
}