Decorator模式: * 动态地给一个对象添加一些额外的职责。就增加功能来说， Decorator模式相比生成子类 * 更为灵活。-Decorator pattern:* dynamically to an object to add some additional functions. On increasing the functionality is, Decorator pattern compared with subclassing* more flexible.

注册热键_子类化_拦截消息,适合初学者进行学习研究，不错的源码-Up hotkey _ _ subclassing to intercept messages, suitable for beginners to learn research, a good source

Creates a declaration ( headerfile ) for a subclass subClass Source Code for Linux.

The ResourceBundle class is not suitable for subclassing.