Random随机数类的使用

import java.util.Random;
import java.util.Scanner;

public class GuessNumber {
    public static void main(String[] args) {
        Random a = new Random();
        System.out.println("系统已将完成随机数字的生成！");
        int randomNum = a.nextInt(100);
        Scanner b = new Scanner(System.in);
        System.out.println("请输入你要猜的数字：");
        int inputNum = b.nextInt();
        while (randomNum != inputNum){
            if (inputNum >randomNum){
                System.out.println("对不起猜的太大了，请继续输入……");
            }else {
                System.out.println("对不起猜的太小了，请继续输入……");
            }
            System.out.println("请输入你要猜的数字：");
            inputNum = b.nextInt();
        }
        System.out.println("恭喜你，猜对了！");
    }
}