说明：   在本文中笔者用Java编写一个小游戏软件.为什么写游戏软件?游戏软件要求的编程能力较高,也很少有比写游戏软件更加激动人心的创造性工作了
(In this paper the author used to prepare a small Java software. Why write game software game software requirements of the higher programming capabilities, there is also little to write game software than the more exciting creative work)