Java之迷宫小游戏（二维数组）

import java.util.Scanner;
public class game1 {
    static int score = 0;   //分数
    static int blood = 3;   //生命
    static int step = 0;    //步数
    //& 玩家
    //@ 终点
    static  String[][] arr = {
        //0   1   2   3   4   5   6   7   8   9
        {"#","#","#","#","#","#","#","#","#","#"},//0
        {"#","@"," ","#","#"," "," ","&","4","#"},//1
        {"#","#"," "," ","#"," ","#","#"," ","#"},//2
        {"#","#","#"," "," ","3","#"," "," ","#"},//3
        {"#","#","#","#","#","#","#"," "," ","#"},//4
        {"#","#","#","#","#","#","#","#","#","#"},//5
    };
    public static void print(String arr1[][]){            //打印地图的方法
        for(int i =0;i<arr1.length;i++){
            for(int j =0;j<arr1[i].length;j++){
                System.out.print(arr1[i][j]+"\t");
            }
            System.out.println();
        }
    }
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);      
        int x=1;                                //起始位置
        int y=7;
        int ex=1;                               //终点位置
        int ey=1;
        System.out.println("迷宫小游戏");
        System.out.println("使用WASD移动小人");
        System.out.println("只能移动20步 只有三条命");
        System.out.println("***************************");
        System.out.printf("当前分数:"+score+"\t");
        System.out.printf("当前生命:"+blood+"\t");
        System.out.println("当前步数:"+step+"\t");
        print(arr);


        while(arr[ex][ey] != "&" & step<=20 & blood !=0){ //到达终点 步数超过20步 生命为0 则跳出循环           
            String str = sc.nextLine();
            switch (str){
                case "w":
                if (arr[x - 1][y] == "#") {                      //如果下一步为墙则判断是否还有命
                    if(blood==0){ break;}                        //有命则扣血，同时步数增加，无命则跳出循环，宣告死亡
                    else {blood-=1;step++;break;}
                    }
                else if (arr[x - 1][y] == " "){                 //如果下一步为路 则将下一步位置设置为小人
                    arr[x][y] = " ";                            //同时将小人先前的位置设置为路
                    x--;
                    arr[x][y] = "&";
                    step++;
                    break;}
                    else if (arr[x - 1][y] == "3"){            //如果下一步为金币，则将金币修改为小人
                        arr[x][y] = " ";                        //将小人先前位置设置为路
                        x--;                                    //同时金币数增加，步数加1
                        arr[x][y] = "&";
                        score+=3;step++;break;}
                        else if (arr[x - 1][y] == "4"){            
                            arr[x][y] = " ";
                            x--;
                            arr[x][y] = "&";
                            score+=4;step++;break;}
                            else if (arr[x - 1][y] == "@"){        //如果小人下一步为终点，则将终点修改为小人   
                                arr[x][y] = " ";                    //将小人之前的位置设置为路
                                x--;                                //同时步数加1
                                arr[x][y] = "&";step++;
                                break;}                             
                case "a":
                if (arr[x][y-1] == "#") {
                    if(blood==0){ break;}
                    else {blood-=1;step++;break;}
                    }
                else if (arr[x][y-1] == " "){            
                    arr[x][y] = " ";
                    y--;
                    arr[x][y] = "&";step++;break;}
                    else if (arr[x][y-1] == "3"){            
                        arr[x][y] = " ";
                        y--;
                        arr[x][y] = "&";
                        score+=3;step++;break;}
                        else if (arr[x][y-1] == "4"){            
                            arr[x][y] = " ";
                            y--;
                            arr[x][y] = "&";
                            score+=4;step++;break;} 
                            else if (arr[x][y-1] == "@"){            
                                arr[x][y] = " ";
                                y--;
                                arr[x][y] = "&";step++;
                                break;}      
                case "s":
                if (arr[x+1][y] == "#") {
                    if(blood==0){ break;}
                    else {blood-=1;step++;break;}
                    }
                else if (arr[x+1][y] == " "){            
                    arr[x][y] = " ";
                    x++;
                    arr[x][y] = "&";step++;break;} 
                    else if (arr[x+1][y] == "3"){            
                        arr[x][y] = " ";
                        x++;
                        arr[x][y] = "&";
                        score+=3;
                        break;}
                        else if (arr[x+1][y] == "4"){            
                            arr[x][y] = " ";
                            x++;
                            arr[x][y] = "&";
                            score+=4;step++;break;}
                            else if (arr[x+1][y] == "@"){            
                                arr[x][y] = " ";
                                x++;
                                arr[x][y] = "&";step++;
                                break;}
                case "d":
                if (arr[x][y+1] == "#") {
                    if(blood==0){ break;}
                    else {blood-=1;step++;break;}
                    }
                else if (arr[x][y+1] == " "){            
                    arr[x][y] = " ";
                    y++;
                    arr[x][y] = "&";step++;break;} 
                    else if (arr[x][y+1] == "3"){            
                        arr[x][y] = " ";
                        y++;
                        arr[x][y] = "&";
                        score+=3;step++;break;} 
                        else if (arr[x][y+1] == "4"){            
                            arr[x][y] = " ";
                            y++;
                            arr[x][y] = "&";
                            score+=4;step++;break;} 
                            else if (arr[x][y+1] == "@"){            
                                arr[x][y] = " ";
                                y++;
                                arr[x][y] = "&";step++;
                                break;} 
                default:
                    break;    
                    }
                System.out.println("***************************"); 
                System.out.printf("当前分数:"+score+"\t");
                System.out.printf("当前生命:"+blood+"\t");
                System.out.println("当前步数:"+step+"\t");      
                print(arr);}
        if(step>20){System.out.println("步数超过20,游戏结束");} 
        else if(blood==0)  {System.out.println("没有生命了，游戏结束");}     
        else{System.out.println("恭喜你成功闯关");}
    }
}