These classes would become part of our application, but they would ultimately reside in the OS, not in our application.
这些类将成为我们应用程序的一部分，但它们最终将驻留在操作系统中，而不是在应用程序中。
One way is to use a sub-package under a view named Actions where all your action classes reside.
一种方法就是使用(包含了所有操作类的)actions视图下的子包。
Behavior: patterns concerned with functionality but not necessarily where they reside in classes.
行为：关于驻留在类之内但并非必须如此的功能的模式。
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