简单的HASH，显示简单的哈希算法，算是一个例子新手见谅-Simple HASH, shows a simple hash algorithm will be forgiven as an example of new

代理模式的java代码实现，通过几个类演示了代理模式，方便新手快速地学习和掌握。-Agency model java code, demonstrated by the several classes proxy mode to facilitate the novice to quickly learn and master.