java五子棋游戏代码

以下是一个简单的Java五子棋游戏代码示例：

import java.util.Scanner;

public class Gobang {
    public static final int BOARD_SIZE = 15;
    public String[][] board = new String[BOARD_SIZE][BOARD_SIZE];
    public static final String PLAYER1 = "X";
    public static final String PLAYER2 = "O";
    public String currentPlayer;

    public void initBoard() {
        for (int i = 0; i < BOARD_SIZE; i++) {
            for (int j = 0; j < BOARD_SIZE; j++) {
                board[i][j] = "+";
            }
        }
    }

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

    public boolean isBoardFull() {
        for (int i = 0; i < BOARD_SIZE; i++) {
            for (int j = 0; j < BOARD_SIZE; j++) {
                if (board[i][j].equals("+")) {
                    return false;
                }
            }
        }
        return true;
    }

    public boolean isWinningMove(int row, int col) {
        String player = board[row][col];

        int count = 0;
        for (int i = 0; i < BOARD_SIZE; i++) {
            if (board[row][i].equals(player)) {
                count++;
            } else {
                count = 0;
            }
            if (count == 5) {
                return true;
            }
        }

        count = 0;
        for (int i = 0; i < BOARD_SIZE; i++) {
            if (board[i][col].equals(player)) {
                count++;
            } else {
                count = 0;
            }
            if (count == 5) {
                return true;
            }
        }

        count = 0;
        for (int i = -4; i <= 4; i++) {
            int r = row + i;
            int c = col + i;
            if (r >= 0 && r < BOARD_SIZE && c >= 0 && c < BOARD_SIZE) {
                if (board[r][c].equals(player)) {
                    count++;
                } else {
                    count = 0;
                }
                if (count == 5) {
                    return true;
                }
            }
        }

        count = 0;
        for (int i = -4; i <= 4; i++) {
            int r = row + i;
            int c = col - i;
            if (r >= 0 && r < BOARD_SIZE && c >= 0 && c < BOARD_SIZE) {
                if (board[r][c].equals(player)) {
                    count++;
                } else {
                    count = 0;
                }
                if (count == 5) {
                    return true;
                }
            }
        }

        return false;
    }

    public void play() {
        initBoard();
        currentPlayer = PLAYER1;
        Scanner scanner = new Scanner(System.in);
        while (true) {
            printBoard();
            System.out.print("Player " + currentPlayer + ", enter row number: ");
            int row = scanner.nextInt();
            System.out.print("Player " + currentPlayer + ", enter column number: ");
            int col = scanner.nextInt();

            if (board[row][col].equals("+")) {
                board[row][col] = currentPlayer;

                if (isWinningMove(row, col)) {
                    printBoard();
                    System.out.println("Player " + currentPlayer + " wins!");
                    break;
                } else if (isBoardFull()) {
                    printBoard();
                    System.out.println("Game is a tie!");
                    break;
                } else {
                    if (currentPlayer.equals(PLAYER1)) {
                        currentPlayer = PLAYER2;
                    } else {
                        currentPlayer = PLAYER1;
                    }
                }
            } else {
                System.out.println("That position is already taken. Try again.");
            }
        }
    }

    public static void main(String[] args) {
        Gobang game = new Gobang();
        game.play();
    }
}

这个代码实现了一个交互式的五子棋游戏，玩家可以通过输入行和列号来下棋，程序会检查是否有五子连珠，以及棋盘是否已经下满，如果有则宣布胜者或平局。