text5.txt

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package javatictactoe;

import java.util.Scanner;
/**
 *
 * @author mhcrnl
 */
public class JavaTicTacToe {
    
    public static final int EMPTY = 0;
    public static final int CROSS = 1;
    public static final int NOUGHT = 2;
    
    public static final int PLAYING = 0;
    public static final int DRAW = 1;
    public static final int CROSS_WON = 2;
    public static final int NOUGHT_WON = 3;
    
    public static final int ROWS = 3, COLS = 3;
    public static final int[][] board= new int[ROWS][COLS];
    
    public static int currentState;
    public static int currentPlayer;
    public static int currentRow, currentCol;
    
    public static Scanner in = new Scanner(System.in);
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        initGame();
        do{
            playerMove(currentPlayer);
            updateGame(currentPlayer, currentRow, currentCol);
            printBoard();
            if(currentState == CROSS_WON){
                System.out.println("'X' won! Bye!");
            } else if (currentState == NOUGHT_WON){
                System.out.println("'0' won! Bye!");
            } else if (currentState == DRAW){
                System.out.println("It's a draw! Bye!");
            }
            currentPlayer = (currentPlayer == CROSS) ? NOUGHT : CROSS;
        } while (currentState == PLAYING);
    }
    
    public static void initGame(){
        for(int row =0; row<ROWS; row++){
            for(int col=0; col<COLS; ++col){
                board[row][col]= EMPTY;
            }
        }
        currentState = PLAYING;
        currentPlayer = CROSS;
    }
    
    public static void playerMove(int theSeed){
        boolean validInput = false;
        do {
            if(theSeed == CROSS){
                System.out.print("Player 'X', enter your move(row[1-3] column[1-3]: ");
            } else {
                System.out.print("Player '0', enter your move(row[1-3] column[1-3]: ");
            }
            int row = in.nextInt()-1;
            int col = in.nextInt()-1;
            if(row>=0 && row<ROWS && col>=0 && col<COLS && board[row][col]==EMPTY) {
                currentRow = row;
                currentCol = col;
                board[currentRow][currentCol]= theSeed;
                validInput= true;
            } else {
                System.err.println("This move at(" +(row+1)+","+(col+1)+")is not "
                        + "valid. try again...");
            }
        } while(!validInput);
    }
    
    public static void updateGame(int theSeed, int currentRow, int currentCol){
        if(hasWon(theSeed, currentRow, currentCol)){
            currentState = (theSeed == CROSS)? CROSS_WON : NOUGHT_WON;
        } else if (isDraw()){
            currentState = DRAW;
        }
    }
    
    public static boolean isDraw(){
        for(int row=0; row < ROWS; ++row){
            for(int col=0; col < COLS; ++col){
                if(board[row][col] == EMPTY){
                    return false;
                }
            }
        }
        return true;
    }
    public static boolean hasWon(int theSeed, int currentRow, int currentCol){
        return (board[currentRow][0] == theSeed 
                    && board[currentRow][1] == theSeed
                    && board[currentRow][2] == theSeed
                || board[0][currentCol] == theSeed
                    && board[1][currentCol] == theSeed
                    && board[2][currentCol] == theSeed
                || currentRow == currentCol
                    && board[0][0] == theSeed
                    && board[1][1] == theSeed
                    && board[2][2] == theSeed
                || currentRow + currentCol == 2
                    && board[0][2] == theSeed
                    && board[1][1] == theSeed
                    && board[2][0] == theSeed);
    }
    
    public static void printBoard(){
        for(int row =0; row<ROWS; ++row){
            for( int col=0; col<COLS; ++col){
                printCell(board[row][col]);
                if(col != COLS-1){
                    System.out.print("|");
                }
            }
            System.out.println();
            if(row != ROWS -1){
                System.out.println("-----------------");
            }
        }
        System.out.println();
    }
    
    public static void printCell(int content){
        switch(content){
            case EMPTY: System.out.print("   "); break;
            case NOUGHT:System.out.print(" 0 "); break;
            case CROSS: System.out.print(" X "); break;
        }
    }
}