tictactoe.java

package javatest;
import java.util.Scanner;
public class tictactoe {
    static char[][] board = new char[3][3];
    static char currentPlayer = 'X';
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        initializeBoard();
        boolean gameEnded = false;
        while (!gameEnded) {
            printBoard();
            System.out.println("Player " + currentPlayer + ", enter your move (row and column: 1 1 for top-left): ");
            int row = scanner.nextInt() - 1;
            int col = scanner.nextInt() - 1;

            if (row < 0 || row >= 3 || col < 0 || col >= 3) {
                System.out.println("Invalid move. Try again.");
                continue;
            }

            if (board[row][col] != ' ') {
                System.out.println("Cell already occupied. Try again.");
                continue;
            }

            board[row][col] = currentPlayer;

            if (checkWin(currentPlayer)) {
                printBoard();
                System.out.println("Player " + currentPlayer + " wins!");
                gameEnded = true;
            }
            else {
                currentPlayer = (currentPlayer == 'X') ? 'O' : 'X';
            }
        }
        scanner.close();
    }
    public static void initializeBoard() {
        for (int i = 0; i < 3; i++) {
            for (int j = 0; j < 3; j++) {
                board[i][j] = ' ';
            }
        }
    }
    public static void printBoard() {
        for (int i = 0; i < 3; i++) {
            for (int j = 0; j < 3; j++) {
                System.out.print(board[i][j]);
            }
            System.out.println();
        }
    }
    public static boolean checkWin(char player) {
        for (int i = 0; i < 3; i++) {
            if (board[i][0] == player && board[i][1] == player && board[i][2] == player) {
                return true;
            }
        }

        for (int j = 0; j < 3; j++) {
            if (board[0][j] == player && board[1][j] == player && board[2][j] == player) {
                return true;
            }
        }
        if (board[0][0] == player &&board[1][1] == player && board[2][2] == player) {
            return true;
        }

        if (board[0][2] == player &&board[1][1] == player &&board[2][0] == player) {
            return true;
        }

        return false;
    }

 
}