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Merge pull request #445 from EshraqIbrahim/master
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added Tic-tac-toe in java
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t2013anurag authored Oct 17, 2017
2 parents 057da43 + 1da45ff commit 1d918f6
Showing 1 changed file with 145 additions and 0 deletions.
145 changes: 145 additions & 0 deletions tic-tac-toe/TicTacToe.java
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public class TicTacToe {

public boolean hasWinner(char[][] board, char player) {
// TODO Auto-generated method stub
for (int i = 0; i < board.length; i++) {
for (int j = 0; j < board[i].length; j++) {
boolean check = true;
if (board[i][j] == player) {
for (int row = 0; row < board.length; row++) {
if (board[i][row] != player) {

check = false;
}
}
if (check == true) {
return check;
}
check = true;
for (int column = 0; column < board.length; column++) {

if (board[column][j] != player) {
check = false;
}
}
if (check == true) {
return check;
}

if (i == j) {
check = true;
for (int dia = 0; dia < board.length; dia++) {
if (board[dia][dia] != player) {
check = false;
}
}
if (check == true) {
return check;
}
}
if ((i == 1 && j == 1) || (i == 2 && j == 0) || (i == 0 && j == 2)) {
check = true;
for (int dia = 0; dia < board.length; dia++) {
if (board[dia][2 - dia] != player) {
check = false;
}
}

if (check == true) {
return check;
}
}

}

}
}
return false;
}

public void printBoard(char[][] board) {
// TODO Auto-generated method stub
for (int i = 0; i < board.length; i++) {
for (int j = 0; j < board.length; j++) {
System.out.print(board[i][j]);
}
System.out.println("");
}

}

public void intializeBoard(char[][] board) {
// TODO Auto-generated method stub
for (int i = 0; i < board.length; i++) {
for (int j = 0; j < board[i].length; j++) {
board[i][j] = '0';
}
}

}

public boolean validMove(char[][] board, int[] playerMove, char player) {
// TODO Auto-generated method stub
if (board[playerMove[0]][playerMove[1]] == '0') {
return true;
}
return false;
}

public char changePlayer(char player) {
// TODO Auto-generated method stub
if (player == 'X') {
player = 'O';
} else {
player = 'X';
}
return player;
}

public static void main(String[] args) {
// TODO Auto-generated method stub
TicTacToe game = new TicTacToe();
char[][] board = new char[3][3];
int moves = 9;
game.intializeBoard(board);
char player;
System.out.println("Welcome to XO game");
System.out.println("the first player is X");
player = 'X';
Scanner scan = new Scanner(System.in);
while (moves != 0) {
System.out.println("enter the coordinates of your move");
int x = scan.nextInt();
int y = scan.nextInt();
if (x < 0 || x > board.length - 1 || y < 0 || y > board.length - 1) {
System.out.println("invalid Move");
continue;
}
int[] playerMove = new int[2];
playerMove[0] = x;
playerMove[1] = y;
if (game.validMove(board, playerMove, player)) {
board[x][y] = player;
moves--;
if (game.hasWinner(board, player)) {
game.printBoard(board);
System.out.printf("Congratulations player %c has Won", player);
break;
} else {
player = game.changePlayer(player);
}
} else {
System.out.println("invalid Move");
continue;

}
game.printBoard(board);
}
if (moves == 0) {
System.out.println("No one won");
}
scan.close();

}
}

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