TicTacToe.java

import java.util.Scanner;

public class TicTacToe {
    private char[][] board;
    private char currentPlayer;
    private String player1Name;
    private String player2Name;

    public TicTacToe(String player1Name, String player2Name) {
        board = new char[3][3];
        currentPlayer = 'X';
        this.player1Name = player1Name;
        this.player2Name = player2Name;
        initializeBoard();
    }

    public void initializeBoard() {
        for (int i = 0; i < 3; i++) {
            for (int j = 0; j < 3; j++) {
                board[i][j] = '-';
            }
        }
    }

    public void printBoard() {
        System.out.println("  0 1 2");
        for (int i = 0; i < 3; i++) {
            System.out.print(i + " ");
            for (int j = 0; j < 3; j++) {
                System.out.print(board[i][j] + " ");
            }
            System.out.println();
        }
    }

    public boolean makeMove(int row, int col) {
        if (row >= 0 && row < 3 && col >= 0 && col < 3 && board[row][col] == '-') {
            board[row][col] = currentPlayer;
            return true;
        }
        return false;
    }

    public boolean checkWin() {
        return checkRows() || checkColumns() || checkDiagonals();
    }

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

    private boolean checkColumns() {
        for (int j = 0; j < 3; j++) {
            if (board[0][j] == currentPlayer && board[1][j] == currentPlayer && board[2][j] == currentPlayer) {
                return true;
            }
        }
        return false;
    }

    private boolean checkDiagonals() {
        return (board[0][0] == currentPlayer && board[1][1] == currentPlayer && board[2][2] == currentPlayer) ||
               (board[0][2] == currentPlayer && board[1][1] == currentPlayer && board[2][0] == currentPlayer);
    }

    public boolean isBoardFull() {
        for (int i = 0; i < 3; i++) {
            for (int j = 0; j < 3; j++) {
                if (board[i][j] == '-') {
                    return false;
                }
            }
        }
        return true;
    }

    public void switchPlayer() {
        currentPlayer = (currentPlayer == 'X') ? 'O' : 'X';
    }

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

        System.out.print("Enter Player 1's name: ");
        String player1Name = scanner.nextLine();
        System.out.print("Enter Player 2's name: ");
        String player2Name = scanner.nextLine();

        TicTacToe game = new TicTacToe(player1Name, player2Name);

        System.out.println("Welcome to Tic-Tac-Toe, " + player1Name + " and " + player2Name + "!");

        while (true) {
            System.out.println("Current board:");
            game.printBoard();
            System.out.println(player1Name + ", enter your move (row and column): ");
            int row = scanner.nextInt();
            int col = scanner.nextInt();

            if (game.makeMove(row, col)) {
                if (game.checkWin()) {
                    System.out.println(player1Name + " wins!");
                    break;
                } else if (game.isBoardFull()) {
                    System.out.println("It's a draw!");
                    break;
                } else {
                    game.switchPlayer();
                }
            } else {
                System.out.println("Invalid move. Try again.");
            }
        }

        scanner.close();
    }
}