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  1. /*TicTacToe.java*/
  2. public class TicTacToe{    
  3. 	//private boolean isFull = false;//if true all the squares have been assigned.
  4. 	//private int playerCounter = 1;//if it is odd it's player1's turn if even it's player2's turn
  5. 	private TicTacToeEn[][] board = new TicTacToeEn[3][3];//to represent the 3-by-3 board
  6.  
  7. 	//private boolean isDraw;//to check if the game is draw
  8. 	//private boolean squareStatus;//returns the status of a square, if false the square is full if true the square is empty
  9. 	//private boolean victory;//if returns true one of the players has won	
  10. 	//private int row;//row of the 3-by-3 board
  11. 	//private int column;//column of the 3-by-3 board	
  12. 	//private int gameCounter;//counts the moves
  13.  
  14.  
  15. 	public enum TicTacToeEn{
  16. 		X, O, EMPTY	
  17. 	}//end of enum
  18. 	TicTacToeEn theSymbol;//of type enum holds the current theSymbol, X or O 
  19. 	//constructor
  20. 	public TicTacToe(){
  21. 		for( int i = 0; i < board.length; i++ ){
  22. 			for( int j = 0; j < board[i].length; j++ ){
  23. 				board[i][j] = TicTacToeEn.EMPTY;
  24. 			}//columns
  25. 		}//rows			
  26. 	}//end of constructor
  27.  
  28. 	//checks if square is empty
  29. 	public boolean checkSquare( int row, int column ){
  30. 		if(board[row][column] == TicTacToeEn.EMPTY){
  31. 			return false;
  32. 		}
  33. 		else{
  34. 			return true;
  35. 		}		
  36. 	}//end of checkSquare()
  37.  
  38. 	//assigns X or O to the square
  39. 	public void assignSymbol( int row, int column, int counter ){
  40. 		if( isOdd( counter )){//it's player1
  41. 			board[row][column] = TicTacToeEn.X;		
  42. 		}
  43. 		else{//it's player2
  44. 			board[row][column] = TicTacToeEn.O;		
  45. 		}
  46. 	}//end of assignSymbol()
  47.  
  48. 	//check if the game is draw
  49. 	public boolean isDraw(){
  50. 		for( int i = 0; i < board.length; i++ ){
  51. 			for(int j = 0; j < board[i].length; j++ ){
  52. 				if( board[i][j] == TicTacToeEn.EMPTY ){//if there is an empty square
  53. 					return false;
  54. 				}				
  55. 			}//end of column array
  56. 		}//end of row array
  57. 		return true;//if there isn't an empty square
  58. 	}//end of isDraw()
  59.  
  60. 	//checks if anybody has won the game
  61. 	public boolean checkVictory( int row, int column, int counter ){
  62. 		if( isOdd( counter )){//it's player1
  63. 			theSymbol = TicTacToeEn.X;
  64. 		}
  65. 		else{//it's player2
  66. 			theSymbol = TicTacToeEn.O;
  67. 		}
  68. 		//determine victory
  69. 		if(	
  70. 			( board[row][0] == theSymbol && board[row][1] == theSymbol &&	board[row][2] == theSymbol )//check 3-in-the-row horizontally	
  71. 			||  ( board[0][column] == theSymbol && board[1][column] == theSymbol && board[2][column] == theSymbol )//check 3-in-the-row vertically			
  72. 			||  ( board[0][0] == theSymbol && board[1][1] == theSymbol && board[2][2] == theSymbol )//check 3-in-the-row 1st diagonal			
  73. 			||  ( board[0][2] == theSymbol && board[1][1] == theSymbol && board[2][0] == theSymbol )//check 3-in-the-row 2nd diagonal
  74. 		){
  75. 			return true;
  76. 		}
  77.  
  78. 		else{
  79. 			return false;
  80. 		}		
  81. 	}//end of checkVictory()
  82.  
  83. 	//determine if the argument is odd or even
  84. 	public boolean isOdd( int number){
  85. 		if( number % 2 == 0){//it's even
  86. 			return true;
  87. 		}
  88. 		else{//it's odd
  89. 			return false;
  90. 		}
  91. 	}//end of isOdd()
  92.  
  93. 	/*get the right input for the array, 
  94. 	effectively subtracting 1 to the input so that the 
  95. 	index is still within the array range*/
  96. 	public int optimizeInput( int theInput ){
  97. 			int newInput = theInput - 1;
  98. 			return newInput;
  99. 	}
  100.  
  101. 	//print board
  102. 	public void printBoard(){
  103. /* 		System.out.print("\n\n\n\n\n");
  104. 		System.out.println("|   " + board[0][0] + "   |   " + board[0][1] + "   |   " + board[0][2] + "   |");
  105. 		System.out.println("|   " + board[1][0] + "   |   " + board[1][1] + "   |   " + board[1][2] + "   |");
  106. 		System.out.println("|   " + board[2][0] + "   |   " + board[2][1] + "   |   " + board[2][2] + "   |");
  107. 		System.out.print("\n\n\n\n\n"); */
  108. 		System.out.print("\n\n\n\n\n");
  109. 		System.out.printf("| %6s | %6s | %6s |", board[0][0], board[0][1], board[0][2]);
  110. 		System.out.printf("\n| %6s | %6s | %6s |", board[1][0], board[1][1], board[1][2]);
  111. 		System.out.printf("\n| %6s | %6s | %6s |", board[2][0], board[2][1], board[2][2]);
  112. 		System.out.print("\n\n\n\n\n");
  113. 	}
  114. }//end of class
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https://ideone.com/wIk4mu
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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