java-猜数字

package com.jijy.circle;

import java.util.Scanner; 
import java.util.Random;
  
public class demo5
{ 
    public static void main(String[] args) 
    { 
        final int MAX = 100;
        
        int hidden; 
        int guess; 
        String answer;
        Random generator;
        Scanner sc;
        
        generator = new Random();
        sc = new Scanner(System.in);
        
        System.out.println("您希望开始猜数吗？");
        answer = sc.next();
        
        while(answer.equals("是"))
        {
            hidden = generator.nextInt(MAX) + 1; 
            do 
            {  
                System.out.println("请输入数字");
                guess = sc.nextInt();
                if(guess < hidden)
                {
                    System.out.println("猜小了");
                }
                if(guess > hidden)
                {
                    System.out.println("猜大了");
                }
            } 
            while (guess != hidden); 
            System.out.println("猜对了" );
            
            System.out.println("要继续吗？");
            answer = sc.next();
        }
    } 
}