JAVA语言写的一个小的贪吃蛇游戏，每累计吃到的第五个蛋分数会更高（每一个基础是1分），结束后会弹出结束并给予评级，空格暂停-JAVA language to write a small Snake game, every fifth eat eggs cumulative score will be higher (each one is based on a point), will pop up after the end of the end and give a rating, a s