下落棋

import java.util.Scanner;
//  x o  下落棋
public class Start {
    public void minu(){//菜单类
        Scanner sc=new Scanner(System.in);
        System.out.println();
        System.out.println("***************************");
        System.out.println("*  欢迎使用小月半下落棋    *\n" +
                           "*     --1.开始游戏        *\n" +
                           "*     --2.退出游戏        *");
        System.out.println("***************************");
        int choose;
        try {
            choose = sc.nextInt();
            switch (choose){//菜单的选择
                case 1: Referee referee=new Referee();//开始游戏
                    referee.choosfirst();
                    referee.Startgame();
                    break;
                case 2:System.exit(0);//退出
                default:System.out.println("错误的指令！");
            }
        } catch (Exception e) {
            System.out.println("错误的指令！");
        }
    }
    public static void main(String[] args) {
        Start start=new Start();
        while (true){//循环打印菜单
            start.minu();
        }
    }
}
class Player{//玩家
    String name;
    int column;
    String logo;
    public Player(String name,String logo){
        this.name=name;
        this.logo=logo;
    }
    public void playchess(){//落子
        while (true){
            try {
                Scanner sc=new Scanner(System.in);
                System.out.println("请"+name+"输入列坐标：");
                column=sc.nextInt();
                if (column>9){
                    System.out.println("下标越界 请重新输入！");
                }else {
                    return;
                }
            } catch (Exception e) {
                System.out.println("请输入数字 请重新输入！");
            }
        }
    }
}
class Chessboard{//棋盘类
    public String[][] strings=new String[10][9];
    public void printChessboard(int[] count){//打印棋盘
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 9; j++) {
                if (i==0){
                    System.out.print( "| "+(j+1)+" ");
                }else{
                    if (strings[i][j]==null){
                        strings[i][j]="_";
                    }
                    System.out.print( "| "+strings[i][j]+" ");
                }
            }
            System.out.println("|");
        }
    }
}
class Referee{//裁判类
    Player A=new Player("A","X");
    Player B=new Player("B","O");
    Chessboard chessboard=new Chessboard();
    int count[]={1,1,1,1,1,1,1,1,1};
    Player turn=null;
    boolean gameover=false;
    public void choosfirst(){//现行
        System.out.println("选择现行棋的棋手：   1.A or 2.B");
        while (true){
            Scanner sc;
            try {
                sc = new Scanner(System.in);
                int name=sc.nextInt();
                switch (name){
                    case 1:turn=A;
                        return;
                    case 2:turn=B;
                        return;
                    default: System.out.println("错误的棋手！");
                }
            } catch (Exception e) {
                System.out.println("错误的棋手！");
            }
        }
    }
    public void Startgame(){
        System.out.println("开始游戏");
        chessboard.printChessboard(count);
        while(!gameover){
            Judg();
        }
        System.out.println();
        System.out.println("恭喜！    "+turn.name+"获得了比赛胜利！！！！");
    }
    public void Judg(){//判决
        put(turn,chessboard);
        chessboard.printChessboard(count);
        for (int i = 4; i < 10; i++) {
            for (int j = 3; j < 9; j++) {
                if((chessboard.strings[i][j]==turn.logo&&chessboard.strings[i-1][j-1]==turn.logo
                    &&chessboard.strings[i-2][j-2]==turn.logo&&chessboard.strings[i-3][j-3]==turn.logo)){
                    gameover=true;
                    return;
                }
            }
        }for (int i = 1; i < 10; i++) {
            for (int j = 3; j < 9; j++) {
                if((chessboard.strings[i][j]==turn.logo&&chessboard.strings[i][j-1]==turn.logo
                                &&chessboard.strings[i][j-2]==turn.logo&&chessboard.strings[i][j-3]==turn.logo)){
                    gameover=true;
                    return;
                }
            }
        }for (int i = 4; i < 10; i++) {
            for (int j = 0; j < 9; j++) {
                if((chessboard.strings[i][j]==turn.logo&&chessboard.strings[i-1][j]==turn.logo
                        &&chessboard.strings[i-2][j]==turn.logo&&chessboard.strings[i-3][j]==turn.logo)){
                    gameover=true;
                    return;
                }
            }
        }
        if(turn==A){
            turn=B;
        }else {
            turn=A;
        }
    }
    public void put(Player player,Chessboard chessboard){
        player.playchess();
        for (int i = 9; i > 0; i--) {
            if(count[player.column-1]>9){
                System.out.println("这一排已经放满了 请重新输入");
                if(turn==A){
                    turn=B;
                }else {
                    turn=A;
                }
                break;
             }else if(chessboard.strings[i][player.column-1]=="_"){
                chessboard.strings[i][player.column-1]=player.logo;
                count[player.column-1]++;
                break;
            }
        }
    }
}