try语句的练习使用

package com.lk.classTest;

import java.util.Scanner;

/**
 * @author:Melirn
 * @e-mail:2227287556@qq.com
 * @date:2021.5.6
 */
public class one {
    public static void main(String[] args) {
        try {
            Scanner input = new Scanner(System.in);
            System.out.println("请输入被除数");
            int num1 = input.nextInt();
            System.out.println("请输入除数");
            int num2 = input.nextInt();
            System.out.println(String.format("%d/%d=%d",num1,num2,num1/num2));
            System.out.println("感谢使用本程序");
        }catch (Exception e){
            System.err.println("出现错误:被除数和除数必须是整数，"+"除数不能为零");
            e.printStackTrace();
        }

    }
}