说明：  JAVA小游戏 游戏开始后出现闪动的圆形 圆形消失前用鼠标点击中心便可得分 越靠近中心得分越高 每轮游戏会出现十次机会 游戏包含开始 结束 暂停、继续三个按钮
(This is a JAVA game. Game starts with randomly flashing circles. Players aim to click the circlewith the mouse before it disappearring. Click closer to the center higher score you will get.There will be ten times available. The game have three buttons, which are "start" "stop" and "pause/resume".)