cli.java

import java.util.Scanner;

public class TicTacToe {

    private static char[][] board = {{' ', ' ', ' '}, {' ', ' ', ' '}, {' ', ' ', ' '}};
    private static char currentPlayer = 'X';

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        while (!isGameOver()) {
            System.out.println("Current board:");
            printBoard();
            System.out.println("Player " + currentPlayer + ", enter your move (row[1-3] column[1-3]): ");

            int row = scanner.nextInt() - 1;
            int col = scanner.nextInt() - 1;

            if (row >= 0 && row < 3 && col >= 0 && col < 3 && board[row][col] == ' ') {
                board[row][col] = currentPlayer;
                currentPlayer = (currentPlayer == 'X') ? 'O' : 'X';
            } else {
                System.out.println("Invalid move. Try again.");
            }
        }

        System.out.println("Current board:");
        printBoard();
        char winner = (currentPlayer == 'X') ? 'O' : 'X';
        System.out.println("Player " + winner + " wins!");
    }

    private static boolean isGameOver() {
        for (int i = 0; i < 3; i++) {
            if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][0] != ' ') {
                return true;
            }
            if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[0][i] != ' ') {
                return true;
            }
        }
        if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[0][0] != ' ') {
            return true;
        }
        if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[0][2] != ' ') {
            return true;
        }
        return false;
    }

    private static void printBoard() {
        for (int i = 0; i < 3; i++) {
            System.out.println(" " + board[i][0] + " | " + board[i][1] + " | " + board[i][2]);
            if (i != 2) {
                System.out.println("---|---|---");
            }
        }
    }
}