package cn;

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

/**

- @author yeqv
- @program A2
- @Classname a1
- @Date 2022/1/14 21:17
- @Email w16638771062@163.com
  */
  public class a1 {
  //猜数字小程序，利用异常处理
  public static void main(String[] args) {
  Random random = new Random();
  Scanner scanner = new Scanner(System.in);
  int a = random.nextInt(1, 101);
  int b = 0;
  while (true) {
  try {
  System.out.println("请输入一个 1-100 之间的数字：");
  b = scanner.nextInt();
  if (b > a) {
  System.out.println("猜大了");
  } else if (b < a) {
  System.out.println("猜小了");
  } else {
  System.out.println("猜对了");
  break;
  }

              } catch (Exception e) {//这里捕获一个异常，如果输入的不是数字将被捕获
                  System.out.println("输入错误，请输入1-100之间的数字");
                  scanner.next();
              }
          }
      }

}