java版的贪吃蛇小游戏！使用键盘方向键或asdw键可控制小蛇的移动方向！每吃个苹果身体长长一点。没达到一定的分还有奖励！-java version of Snake game! Use the keyboard arrow keys or asdw of keys can control the direction of movement of the snake! Each eat an apple a little body long. Did not reach certain poin