public TicTacToeBoard() {
		this.turn = PLAYER_X;
		this.numEmptySquares = 9;
		this.square = new String[SIZE][SIZE];
		for (int row = 0; row < SIZE; row++) {
			for (int col = 0; col < SIZE; col++) {
				this.square[row][col] = BLANK;
			}
		}
	}