package tictactoegame; public class TicTacToeGame { static int[][] gameboard; static final int EMPTY = 0; static final int NOUGHT = -1; static final int CROSS = 1; /* Set a square on the board must be empty */ public static void set(int val, int row, int col) throws IllegalArgumentException { if (gameboard[row][col] == EMPTY) gameboard[row][col] = val; else throw new IllegalArgumentException("Player already there!"); } /* display the board */ public static void displayBoard() { for(int r=0; r