java小程序，用于实现三子棋游戏：在3*3的方格中，两个游戏者轮流做标记，如果一个游戏者在网格水平，垂直，斜线上有连续三个标记就为胜利.-java applet for the realization of the three sub-chess game: in the 3* 3 grid, the two players take turns marking, if a game in the grid horizontal, vertical, diagonal, there are three markers on the continuous victory.