java井字棋小游戏代码

以下是一个简单的 Java 井字棋小游戏代码示例：

import java.util.Scanner;

public class TicTacToeGame {
    // 棋盘数组
    private static char[][] board = new char[3][3];
    // 当前玩家
    private static char currentPlayer = 'X';

    public static void main(String[] args) {
        initializeBoard();
        displayBoard();
        playGame();
    }

    // 初始化棋盘
    private static void initializeBoard() {
        for (int i = 0; i < 3; i++) {
            for (int j = 0; j < 3; j++) {
                board[i][j] = '-';
            }
        }
    }

    // 显示棋盘
    private static void displayBoard() {
        System.out.println("-------------");
        for (int i = 0; i < 3; i++) {
            System.out.print("| ");
            for (int j = 0; j < 3; j++) {
                System.out.print(board[i][j] + " | ");
            }
            System.out.println();
            System.out.println("-------------");
        }
    }

    // 玩游戏
    private static void playGame() {
        boolean gameFinished = false;
        while (!gameFinished) {
            System.out.println("当前玩家：" + currentPlayer);
            int row = getRow();
            int column = getColumn();
            if (board[row][column] != '-') {
                System.out.println("该位置已被占用，请重新输入！");
                continue;
            }
            board[row][column] = currentPlayer;
            displayBoard();
            if (checkWin()) {
                System.out.println("玩家 " + currentPlayer + " 获胜！");
                gameFinished = true;
            } else if (checkTie()) {
                System.out.println("平局！");
                gameFinished = true;
            } else {
                currentPlayer = (currentPlayer == 'X') ? 'O' : 'X';
            }
        }
    }

    // 获取行数
    private static int getRow() {
        Scanner scanner = new Scanner(System.in);
        System.out.print("请输入行数（0-2）：");
        int row = scanner.nextInt();
        while (row < 0 || row > 2) {
            System.out.println("无效的输入，请重新输入！");
            System.out.print("请输入行数（0-2）：");
            row = scanner.nextInt();
        }
        return row;
    }

    // 获取列数
    private static int getColumn() {
        Scanner scanner = new Scanner(System.in);
        System.out.print("请输入列数（0-2）：");
        int column = scanner.nextInt();
        while (column < 0 || column > 2) {
            System.out.println("无效的输入，请重新输入！");
            System.out.print("请输入列数（0-2）：");
            column = scanner.nextInt();
        }
        return column;
    }

    // 检查是否获胜
    private static boolean checkWin() {
        // 检查行
        for (int i = 0; i < 3; i++) {
            if (board[i][0] == currentPlayer && board[i][1] == currentPlayer && board[i][2] == currentPlayer) {
                return true;
            }
        }
        // 检查列
        for (int j = 0; j < 3; j++) {
            if (board[0][j] == currentPlayer && board[1][j] == currentPlayer && board[2][j] == currentPlayer) {
                return true;
            }
        }
        // 检查对角线
        if (board[0][0] == currentPlayer && board[1][1] == currentPlayer && board[2][2] == currentPlayer) {
            return true;
        }
        if (board[0][2] == currentPlayer && board[1][1] == currentPlayer && board[2][0] == currentPlayer) {
            return true;
        }
        return false;
    }

    // 检查是否平局
    private static boolean checkTie() {
        for (int i = 0; i < 3; i++) {
            for (int j = 0; j < 3; j++) {
                if (board[i][j] == '-') {
                    return false;
                }
            }
        }
        return true;
    }
}

该代码使用一个二维字符数组 `board` 来存储棋盘，`X` 和 `O` 分别代表两个玩家。`initializeBoard` 方法用于初始化棋盘，`displayBoard` 方法用于显示当前棋盘状态，`playGame` 方法用于处理游戏逻辑，`getRow` 和 `getColumn` 方法用于获取玩家输入的行数和列数，`checkWin` 方法用于检查是否有玩家获胜，`checkTie` 方法用于检查是否平局。