public class Player {
 Scanner sc; 
 public void initPl() { 
 sc = new Scanner(System.in);
 }
 //玩家出拳方法
 public int showFinger() {
 System.out.println("請(qǐng)輸入您的出拳：1.剪刀，2.石頭，3.布，4.結(jié)束本局");
 int result = sc.nextInt();
 return result; 
 } 
}

public class Computer { 
 Random random;
 public void initCom() { 
 random = new Random();
 }
 //電腦開始出拳,返回1到3的隨機(jī)數(shù)
 public int showFingerCom() { 
 return random.nextInt(3)+1;
 } 
}

public void init() { 
 player = new Player();
 player.initPl();
 computer = new Computer();
 computer.initCom();
 sc = new Scanner(System.in);
  count = 0;//局?jǐn)?shù)為0
  Grade = 0;//分?jǐn)?shù)為0  
 }

public int Grades(int plg,int comg,int num) {
 int a = 0;
 if(plg==1&comg==3 | plg==2&comg==1 | plg==3&comg==2) {
 System.out.println("第"+num+"局，恭喜您這局贏了");
 a = 1;
 }else if(plg==1&comg==2 | plg==2&comg==3 | plg==3&comg==1) {
 System.out.println("第"+num+"局，很抱歉，這局您輸了");
 a = -1;
 }else if (plg==comg) {
 System.out.println("第"+num+"局，這局平局");
 a = 0;
 }
 return a;
 }

public void print(int sum,int sumGrade) {
 System.out.println("游戲結(jié)束！");
 if(sumGrade<0) { 
 System.out.println("本次游戲進(jìn)行"+sum+"局,您的得分為："+sumGrade+"分，本次游戲很遺憾您輸了");
 }else if(sumGrade==0) {
 System.out.println("本次游戲進(jìn)行"+sum+"局,您的得分為："+sumGrade+"分，本次游戲平局"); 
 }else if(sumGrade>0) {
 System.out.println("本次游戲進(jìn)行"+sum+"局,您的得分為："+sumGrade+"分，恭喜您贏了"); 
 }
 }
 //數(shù)字轉(zhuǎn)變?yōu)樽址糜诮Y(jié)果顯示
 public String punchesName(int result) {
 String str = "";
 switch(result) {
 case 1: str = "剪刀";break;
 case 2: str = "石頭";break;
 case 3: str = "布";break;  
 }  
 return str;
 }

public void start() {
 while(flag) {
 int playerPunches = player.showFinger();
 switch(playerPunches) {
 case 1:
 case 2:
 case 3:{
 count++;
 System.out.println("您出的是："+punchesName(playerPunches));
 int comPunches = computer.showFingerCom();
  System.out.println("機(jī)器出的是："+punchesName(comPunches));
  int ge = Grades(playerPunches,comPunches,count);
  Grade+=ge;//總得分
  break;
 }
 case 4:{
 print(count,Grade);//輸出總得分與局?jǐn)?shù)
 flag = false;//結(jié)束循環(huán)，結(jié)束游戲
  break;
  }
 default:
 System.out.println("輸入有誤，請(qǐng)重新輸入");break;
 }
 } 
 }

public class Game {
 Player player;
 Computer computer;
 int count;//局?jǐn)?shù)
 Scanner sc;
 int Grade;//得分
 boolean flag = true;
 、、、、初始化，得分，輸出.....

public static void main(String[] args) {
 System.out.println("歡迎進(jìn)行猜拳游戲！");
 Game game = new Game();
 game.init();//游戲初始化
 game.start();//游戲開始
 }