第一部分
package com.company;

import java.util.Scanner;

public class Game {
    int count=0;//对战次数
    int num1;
    int num2;
    int score1=0;//成绩
    int sxore2=0;
    String computername=null;
    String peoplename=null;
            public void  startGame() {
                Scanner scanner = new Scanner(System.in);
                System.out.println("你叫什么?");
               peoplename = scanner.next();
                System.out.println(peoplename+ ",欢迎你!");
                System.out.println("****************");
                System.out.println("猜拳,开始");
                System.out.println("****************");
                System.out.println("出拳规则：1.剪刀" + "\t" + "2.石头" + "\t" + "3.布");
                System.out.println("请选择对方角色(1：刘备2：孙权3：曹操)：");
                int num=scanner.nextInt();
                switch (num) {
                    case 1:
                        computername="刘备";
                        System.out.println("你"+"\t"+"vs"+"\t"+computername);
                        break;
                    case 2:
                        computername="孙权";
                        System.out.println("你" + "\t" + "vs" + "\t" + computername);
                        break;
                    case 3:
                        computername="曹操";
                        System.out.println("你" + "\t" + "vs" + "\t" + computername);
                        break;
                }
                System.out.println("要开始吗?(y/n)");
                String shifou = scanner.next();
                String shifou1;
                if (shifou.equals("y")) {
                    do{
                        people();
                        Computer();
                        //判断
                        if(num1==1&&num2==3||num1==2&&num2==1||num1==3&&num2==2{
                            System.out.println("恭喜你赢了!");
                            score1++;
                        }else                             if(num1==1&&num2==1||num1==2&&num2==2||num1==3&&num2==3){
                            System.out.println("呀你们平局！");
 第二部分                         
 package com.company;

public class Start {
    public static void main(String[] args) {
        Game game = new Game();
        game.startGame();
    }
}