Java编写贪吃蛇的小游戏，就是一条小蛇，不停地在屏幕上游走，吃各个方向出现的蛋，越吃越长。只要蛇头碰到屏幕四周，或者碰到自己的身子，小蛇就立即毙命。-Java written Snake game is a small snake, ever walk on the screen, appeared in all directions to eat eggs, eat more long. Around the screen as long as the snake heads met, or