// Give warnings if coordinates are not valid or already occupied. public static int checkXY(int x, int y) { if (x < 0 || x > 2 || y < 0 || y > 2) { System.out.println("You are off the board buddy, pick again!"); return -1; } else if (!game.isBlank(x, y)) { System.out.println("This one is taken, please try again!"); return -1; } return 1; }