Java碰撞的小球，可运行于手机客户端的一个JAVA小程序，可用于碰撞游戏的编写，碰撞检测代码，小球在运行过程中碰撞到屏幕边缘即回弹再次运行。-Java collision ball, running on a mobile client JAVA applet can be used for the preparation of the collision game, the collision detection code, the ball rebound again run to the