Do_While用法

package java_test;
import java.util.*;
public class Do_while4_8 {
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        Random MyRandom = new Random();
        int A = MyRandom.nextInt(101);
        int B;
        do{
            System.out.println("猜一下电脑生成的随机数是多少？（0~100）");
            B=in.nextInt();
            
            if(B<A){
                System.out.println("小了");
            }else if(B>A){
                System.out.println("大了");
            }
        }while(!(A==B));
        System.out.println("恭喜你答对了，电脑输入的数为"+A);
    }
}