java实现五子棋小游戏 含注释，可直接运行

java实现五子棋小游戏

import java.util.Objects;
import java.util.Scanner;

public class game2 {


    // 定义棋盘的大小
    static int SIZE = 15;
    //static int SIZE2 = 8;
    //定义落子的数目白为1
    //static int count = 0;
            //,count2 = 0;
    // 定义一个字符串二维数组来充当棋盘
    static String[][] board= new String[SIZE][SIZE];
    static int[][] board2= new int[SIZE][SIZE];
    //static char[][] blackboard= new char[SIZE][SIZE];
    static void initBoard()//初始化
    {
        // 初始化棋盘数组，把每个元素赋为"╋"，未完待续   ╬  ╬   ╋   ＋
        for(int i = 0;i<SIZE;i++)
        {
            for(int j = 0;j<SIZE;j++)
            {
                board[i][j] = "＋";
                board2[i][j] = 0;
                //whiteboard[i][j] = "0";
                //blackboard[i][j] = "0";
            }
        }
        /*
        for(int i = 0;i<SIZE*SIZE/2;i++)
        {
            for(int j = 0;j<2;j++)
            {
                //whiteboard[i][j] = "";
                whiteboard[i][j] = 0;
                blackboard[i][j] = 0;
            }
        }

         */
    }


    // 在控制台输出棋盘的方法，未完待续    ●○
    static void printBoard()
    {
        // 打印棋盘数组中每个元素
        for(int i = 0;i<SIZE;i++)
        {
            for(int j = 0;j<SIZE;j++)
            {
                System.out.print(board[i][j]);
            }
            System.out.println();
        }
    }

/*
    static void printBoard2()
    {
        // 打印棋盘数组中每个元素
        for(int i = 0;i<SIZE;i++)
        {
            for(int j = 0;j<SIZE;j++)
            {
                System.out.print(board2[i][j]);
            }
            System.out.println();
        }
    }

 */

    static void play_chess(int i)
    {
        Scanner sc = new Scanner(System.in);
        System.out.print("请输入落子的行号");
        int x = sc.nextInt();
        System.out.print("请输入落子的列号");
        int y = sc.nextInt();
        //System.out.println(x+y);
        if(i == 0)
        {
            board[x][y] ="○";
            board2[x][y] = 1;
            //whiteboard[count][0] =x;
            //whiteboard[count][1] = y;
            //count++;
        }
        else if(i==1)
        {
            board[x][y] ="●";
            board2[x][y] = 2;
            //blackboard[count2][0] = x;
            //blackboard[count2][1] = y;
            //count2++;
        }
        printBoard();//打印
    }


    static int judge()
    {
        /*
        for(int i = 0;i<SIZE;i++)
        {
            for(int j = 0;j<SIZE;j++)

                if (
                        board2[i][j] == board2[i][j + 1]
                        && board2[i][j + 1] == board2[i][j + 2]
                        && board2[i][j + 2] == board2[i][j + 3]
                        && board2[i][j + 3] == board2[i][j + 4]
                        && board2[i][j] != 0)
                {
                    if(board2[i][j] == 1)
                    {System.out.println("w win");
                    return false;}
                    else if(board2[i][j] == 2)
                    {System.out.println("B win");
                    return false;}
                }

        }
        return true;

         */
        int flag  = 0,flag2 = 0;
        int win = 0;
        int i = 0;
        int j = 0;

        // 横线上五子连成一线，赢家产生
        for (i = 0; i < SIZE; i++)
        {
            for (j = 0; j < SIZE - 4; j++)
            {
                if (board2[i][j] == board2[i][j + 1]
                        && board2[i][j + 1] == board2[i][j + 2]
                        && board2[i][j + 2] == board2[i][j + 3]
                        && board2[i][j + 3] == board2[i][j + 4]
                        && board2[i][j] != 0)
                {
                    flag = 1;
                    flag2 = 1;
                    win = board2[i][j];
                    //return false;
                }
            }
        }

        // 竖线上五子连成一线，赢家产生
        if(flag2 == 0)
        for (j = 0; j < SIZE; j++)
        {
            for (i = 0; i < SIZE - 4; i++)
            {
                if (board2[i][j] == board2[i+1][j]
                        && board2[i+1][j] == board2[i+2][j]
                        &&board2[i+2][j] == board2[i+3][j]
                        && board2[i+3][j] == board2[i+4][j]
                        && board2[i][j] != ' ')
                {
                    flag = 1;
                    flag2 = 1;
                    win = board2[i][j];
                    //return board[i][j];
                }
            }
        }

        // 斜线上五子连成一线，赢家产生
        if(flag2 == 0)
        for (i = 0; i < SIZE - 4; i++)
        {
            if (board2[i][i] == board2[i+1][i+1]
                    && board2[i+1][i+1] == board2[i+2][i+2]
                    && board2[i + 2][i + 2] == board2[i + 3][i + 3]
                    && board2[i + 3][i + 3] == board2[i + 4][i + 4]
                    && board2[i][i] != 0)
            {
                flag = 1;
                flag2 = 1;
                win = board2[i][j];
                //return board[i][i];
            }

            if (board2[i][i+4] == board2[i+1][i+3]
                    && board2[i+1][i+3] == board2[i+2][i+2]
                    && board2[i + 2][i + 2] == board2[i + 3][i + 1]
                    && board2[i + 3][i + 1] == board2[i + 4][i]
                    && board2[i][i + 4] != 0)
            {
                flag = 1;
                flag2 = 1;
                win = board2[i][j];
                //return board[i][i+4];
            }
        }

return win;
    }


    public static void main(String[] args)
    {
        initBoard();//初始化
        printBoard();//打印
        do{
        System.out.println("请黑子落子");
        play_chess(0);//白子落子
        System.out.println("请白子落子");
        play_chess(1);//黑子落子
        }while (judge()==0);
        if(judge() == 1)
        System.out.println("黑色赢");
        else if (judge()== 2)
            System.out.println("白色赢");
        //printBoard2();
    }
}