关于java上下文的委托示例 [英] delegation example regarding java context

问题描述

什么是Java授权？任何人都可以给我一个正确的例子吗？

What is delegation in Java? Can anyone give me a proper example?

推荐答案

这是代表团 - 与现实世界完全一样：

That's delegation - exactly like in the real world:

public interface Worker() {
  public Result work();
}

public class Secretary() implements Worker {

   public Result work() {
     Result myResult = new Result();
     return myResult;
   }    
}

public class Boss() implements Worker {

   private Secretary secretary;

   public Result work() {
     return secretary.work();
   }   
}

（添加了工具界面以更接近Delegator模式）

(Added Worker interface to get closer to the Delegator pattern)

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