人机猜拳

Scanner input=new Scanner(System.in);
    String compername="刘备";
    String compername1="孙权";
    String compername2="曹操";
    String name;
    int xuanze;
    public void top(){
        System.out.println("***********欢迎进入游戏世界************");
        System.out.println("		***********");
        System.out.println("		***猜拳，开始***");
        System.out.println("		***********");
        System.out.println("出拳规则：1.剪刀  2.石头  3.布");
        System.out.println("请选择对方角色：(1.刘备  2.孙权  3.曹操)：");
         xuanze=input.nextInt();
        System.out.println("请输入你的名字：");
         name =input.next();
        switch (xuanze){
        case 1:
            System.out.println(name+"VS"+compername);
            break;
        case 2:
            System.out.println(name+"VS"+compername1);
            break;
        case 3:
            System.out.println(name+"VS"+compername2);
            break;
        }
        
    }
    public void zhong(){
        int ren;
        int diannao;
        boolean y;
        String con ;
        int count = 0;
        int count1=0;
        int count2=0;
        System.out.println("要开始吗？(y/n)");
          con=input.next();
          while("y".equals(con)){
            System.out.println("请出拳：1.剪刀  2.石头  3.布");
             ren=input.nextInt();
             if(ren==1){
                    System.out.println("你出拳  剪刀");
                }else if(ren==2){
                    System.out.println("你出拳 石头");
                }else {
                    System.out.println("你出拳  布");
                }
                 diannao=(int)((Math.random())*3);
                 switch(diannao){
                 case 0:
                     System.out.println("电脑出拳  剪刀");
                     break;
                 case 1:
                     System.out.println("电脑出拳 石头");
                     break;
                 case 2:
                     System.out.println("电脑出拳  布");
                     break;
                 }
            if((ren==1&&diannao==0)||(ren==2&&diannao==1)||(ren==3&&diannao==2)){
                 System.out.println("结果：和局，真衰！");
            }else if((ren==1&&diannao==2)||(ren==2&&diannao==0)||(ren==3&&diannao==1)){
                 System.out.println("结果：恭喜，你赢了！");
                 count1++;
            }else {
                 System.out.println("结果：你输了，真笨！！");
                 count2++;
            }
            System.out.println("要开始吗？(y/n)");
              con=input.next();
                 count++;
        }
          System.out.println("**********************************");
          if(xuanze==1){
               System.out.println(compername+"VS"+name);
          }else if(xuanze==2){
               System.out.println(compername1+"VS"+name);
          }else{
               System.out.println(compername2+"VS"+name);
          }
         System.out.println("对战次数："+count);
         if(count1>count2){
             System.out.println("真厉害，奖励");
         }else{
             System.out.println("呵呵，真笨");
         }
            System.out.println("**********************************");
    }

调用代码

    public static void main(String[] args) {
        Renji renji=new Renji();
        renji.top();
        renji.zhong();
    }