// 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;
 }
 // Getting the coordinates from the player, checking if the coordinate is blank  and if so,
 // put the players check on it.
 private static void moveplayer(String l, TicTacToe game) {
   int x = 0;
   int y = 0;
   int stat = -1;
   if (l == "cross") {
     System.out.println("The player with the CROSS can make a move:");
   } else {
     System.out.println("The player with the CIRCLE can make a move:");
   }
   while (stat < 0) {
     x = in.nextInt();
     y = in.nextInt();
     stat = checkXY(x, y);
   }
   if (l == "cross") {
     game.setCross(x, y);
   } else {
     game.setCircle(x, y);
   }
 }
  // Game is ran, goes a round as long as there is a free space and no winner yet.
  public static void playGame(TicTacToe game) {
    System.out.println("Let the games begin!");
    while (game.isAnyFreeSpotLeft()
        && !game.isWinner(STATE.CIRCLE)
        && !game.isWinner(STATE.CROSS)) {

      moveplayer("cross", game);
      game.isThreeInRow(STATE.CROSS);
      if (!game.isWinner(STATE.CROSS)) {
        moveplayer("circle", game);
        game.isThreeInRow(STATE.CIRCLE);
      } else {
        System.out.println("The player with the CROSS is the winner!");
      }
    }
    if (game.isWinner(STATE.CIRCLE)) {
      System.out.println("The player with the CIRCLE is the winner!");
    }
  }