写个五子棋java代码

### 回答1：
好的，以下是一个简单的五子棋Java代码示例：

import java.util.Scanner;

public class FiveChess {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int[][] chessboard = new int[15][15];
        boolean isBlack = true;
        boolean isOver = false;
        while (!isOver) {
            int x, y;
            System.out.print("请输入落子位置，以逗号分隔（如：3,5）：");
            String[] position = input.nextLine().split(",");
            x = Integer.parseInt(position[0]) - 1;
            y = Integer.parseInt(position[1]) - 1;
            if (chessboard[x][y] != 0) {
                System.out.println("该位置已有棋子，请重新输入！");
                continue;
            }
            if (isBlack) {
                chessboard[x][y] = 1;  // 黑子
            } else {
                chessboard[x][y] = 2;  // 白子
            }
            // 打印棋盘
            for (int i = 0; i < 15; i++) {
                for (int j = 0; j < 15; j++) {
                    System.out.print(chessboard[i][j] + " ");
                }
                System.out.println();
            }
            // 判断游戏是否结束
            if (isWin(chessboard, x, y)) {
                if (isBlack) {
                    System.out.println("黑方胜利！");
                } else {
                    System.out.println("白方胜利！");
                }
                isOver = true;
            }
            isBlack = !isBlack;
        }
    }

    // 判断游戏是否结束
    public static boolean isWin(int[][] chessboard, int x, int y) {
        int color = chessboard[x][y];
        int count = 1;
        // 判断横向是否五子连珠
        for (int i = x - 1; i >= 0; i--) {
            if (chessboard[i][y] == color) {
                count++;
            } else {
                break;
            }
        }
        for (int i = x + 1; i < 15; i++) {
            if (chessboard[i][y] == color) {
                count++;
            } else {
                break;
            }
        }
        if (count >= 5) {
            return true;
        }
        // 判断纵向是否五子连珠
        count = 1;
        for (int j = y - 1; j >= 0; j--) {
            if (chessboard[x][j] == color) {
                count++;
            } else {
                break;
            }
        }
        for (int j = y + 1; j < 15; j++) {
            if (chessboard[x][j] == color) {
                count++;
            } else {
                break;
            }
        }
        if (count >= 5) {
            return true;
        }
        // 判断左上右下是否五子连珠
        count = 1;
        for (int i = x - 1, j = y - 1; i >= 0 && j >= 0; i--, j--) {
            if (chessboard[i][j] == color) {
                count++;
            } else {
                break;
            }
        }
        for (int  

### 回答2：
五子棋是一种黑白棋类游戏，有很多种实现方式。下面是一个简单的五子棋Java代码实现：

import java.util.Scanner;

public class FiveChess {
private static final int SIZE = 15;
private static final char BLANK = ' ';
private static final char BLACK = '●';
private static final char WHITE = '○';
private static char[][] board = new char[SIZE][SIZE];

public static void main(String[] args) {
initializeBoard();
boolean isBlack = true; // 当前落子颜色，默认为黑色
boolean isWin = false; // 是否获胜

while (!isWin) {
printBoard();
char currentPiece = isBlack ? BLACK : WHITE;
System.out.println((isBlack ? "黑" : "白") + "方，请输入落子的横纵坐标（以空格分隔，例如3 4）：");
Scanner scanner = new Scanner(System.in);
int x = scanner.nextInt();
int y = scanner.nextInt();
if (!isValidMove(x, y)) {
System.out.println("该位置无法落子，请重新输入！");
continue;
}
placePiece(x, y, currentPiece);
isWin = checkWin(x, y, currentPiece);
isBlack = !isBlack;
}

System.out.println(((isBlack ? "白" : "黑") + "方胜利！"));
}

private static void initializeBoard() {
for (int i = 0; i < SIZE; i++) {
for (int j = 0; j < SIZE; j++) {
board[i][j] = BLANK;
}
}
}

private static void printBoard() {
System.out.print(" ");
for (int i = 0; i < SIZE; i++) {
System.out.printf("%2d ", i + 1);
}
System.out.println();

for (int i = 0; i < SIZE; i++) {
System.out.printf("%2d ", i + 1);
for (int j = 0; j < SIZE; j++) {
System.out.print(board[i][j] + " ");
}
System.out.println();
}
}

private static boolean isValidMove(int x, int y) {
return x >= 0 && x < SIZE && y >= 0 && y < SIZE && board[x][y] == BLANK;
}

private static void placePiece(int x, int y, char piece) {
board[x][y] = piece;
}

private static boolean checkWin(int x, int y, char piece) {
int count = 1; // 连子数

// 横向检查
for (int i = y - 1; i >= 0 && board[x][i] == piece; i--) {
count++;
}
for (int i = y + 1; i < SIZE && board[x][i] == piece; i++) {
count++;
}
if (count >= 5) {
return true;
}

// 纵向检查
count = 1;
for (int i = x - 1; i >= 0 && board[i][y] == piece; i--) {
count++;
}
for (int i = x + 1; i < SIZE && board[i][y] == piece; i++) {
count++;
}
if (count >= 5) {
return true;
}

// 正斜向检查
count = 1;
for (int i = x - 1, j = y - 1; i >= 0 && j >= 0 && board[i][j] == piece; i--, j--) {
count++;
}
for (int i = x + 1, j = y + 1; i < SIZE && j < SIZE && board[i][j] == piece; i++, j++) {
count++;
}
if (count >= 5) {
return true;
}

// 反斜向检查
count = 1;
for (int i = x - 1, j = y + 1; i >= 0 && j < SIZE && board[i][j] == piece; i--, j++) {
count++;
}
for (int i = x + 1, j = y - 1; i < SIZE && j >= 0 && board[i][j] == piece; i++, j--) {
count++;
}
return count >= 5;
}
}

这段代码实现了一个简单的五子棋游戏。游戏通过控制台进行交互，玩家依次输入落子的横坐标和纵坐标，然后将棋子落在对应的位置上。程序会判断每次落子后是否有一方胜利。游戏结束后会打印出胜利方。代码中的棋盘使用一个二维字符数组来表示，其中空格表示空白，黑色棋子使用"●"表示，白色棋子使用"○"表示。  

### 回答3：
五子棋是一种非常受欢迎的棋类游戏，下面是一个简单的五子棋Java代码实现。

import java.util.Scanner;

public class FiveInARow {
private static final int SIZE = 15; // 棋盘大小
private static final char EMPTY = ' '; // 空位
private static final char BLACK = '●'; // 黑子
private static final char WHITE = '○'; // 白子

private char[][] board; // 棋盘
private char currentPlayer; // 当前下棋玩家

public FiveInARow() {
board = new char[SIZE][SIZE];
currentPlayer = BLACK;

// 初始化棋盘
for (int i = 0; i < SIZE; i++) {
for (int j = 0; j < SIZE; j++) {
board[i][j] = EMPTY;
}
}
}

// 交换下棋玩家
private void switchPlayer() {
if (currentPlayer == BLACK) {
currentPlayer = WHITE;
} else {
currentPlayer = BLACK;
}
}

// 下棋
private void makeMove(int row, int col) {
if (isValidMove(row, col)) {
board[row][col] = currentPlayer;
switchPlayer();
} else {
System.out.println("无效的落子位置！");
}
}

// 判断落子位置是否合法
private boolean isValidMove(int row, int col) {
return row >= 0 && row < SIZE && col >= 0 && col < SIZE && board[row][col] == EMPTY;
}

// 判断游戏是否结束
private boolean isGameOver(int row, int col) {
return checkHorizontal(row, col) || checkVertical(row, col) || checkDiagonal1(row, col) || checkDiagonal2(row, col);
}

// 检查水平方向是否五子连珠
private boolean checkHorizontal(int row, int col) {
int count = 1;

// 向左查找
for (int i = col - 1; i >= 0 && board[row][i] == currentPlayer; i--) {
count++;
}

// 向右查找
for (int i = col + 1; i < SIZE && board[row][i] == currentPlayer; i++) {
count++;
}

return count >= 5;
}

// 检查垂直方向是否五子连珠
private boolean checkVertical(int row, int col) {
int count = 1;

// 向上查找
for (int i = row - 1; i >= 0 && board[i][col] == currentPlayer; i--) {
count++;
}

// 向下查找
for (int i = row + 1; i < SIZE && board[i][col] == currentPlayer; i++) {
count++;
}

return count >= 5;
}

// 检查正对角线方向是否五子连珠
private boolean checkDiagonal1(int row, int col) {
int count = 1;

// 向左上查找
for (int i = row - 1, j = col - 1; i >= 0 && j >= 0 && board[i][j] == currentPlayer; i--, j--) {
count++;
}

// 向右下查找
for (int i = row + 1, j = col + 1; i < SIZE && j < SIZE && board[i][j] == currentPlayer; i++, j++) {
count++;
}

return count >= 5;
}

// 检查反对角线方向是否五子连珠
private boolean checkDiagonal2(int row, int col) {
int count = 1;

// 向左下查找
for (int i = row + 1, j = col - 1; i < SIZE && j >= 0 && board[i][j] == currentPlayer; i++, j--) {
count++;
}

// 向右上查找
for (int i = row - 1, j = col + 1; i >= 0 && j < SIZE && board[i][j] == currentPlayer; i--, j++) {
count++;
}

return count >= 5;
}

// 打印棋盘
private void printBoard() {
System.out.print(" ");
for (int i = 0; i < SIZE; i++) {
System.out.print(i + " ");
}
System.out.println();

for (int i = 0; i < SIZE; i++) {
System.out.print(i + " ");
for (int j = 0; j < SIZE; j++) {
System.out.print(board[i][j] + " ");
}
System.out.println();
}
}

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

int row, col;

while (true) {
game.printBoard();
System.out.println(game.currentPlayer + " 下棋，请输入坐标（行 列）：");
row = scanner.nextInt();
col = scanner.nextInt();
game.makeMove(row, col);

if (game.isGameOver(row, col)) {
System.out.println(game.currentPlayer + " 胜利！");
break;
}
}

scanner.close();
}
}

这个代码实现了一个基本的五子棋游戏，使用字符数组作为棋盘，通过控制台输入坐标控制下棋的位置。游戏会判断是否有五子连珠从而判断游戏胜负。以上是一个简单的实现，可根据需求进一步完善。