interface Object
{
void action();
}
//代理类
class ProxyObject implements Object
{
Object obj;
public ProxyObject()
{
obj=new ObjectImpl();
System.out.Println("代理类创建成功");
}
public void action()
{
System.out.Println("代理类开始执行");
obj.action();
System.out.Println("代理类执行结束");
}
}
//被代理类
calss ObjectImpl implements Object
{
public void action()
{
System.out.println("=====被代理类开始执行======");
System.out.println("=====具体的操作======");
System.out.println("=====被代理类执行完毕======");
}
}
public class Test{
public statci void main(String[] args)
{
Object obj = new ProxyObject();
obj.action();
}
}
原文：http://www.cnblogs.com/steel-chen/p/6843385.html