package com.imooc.chapter13test;

import java.util.InputMismatchException;
import java.util.Scanner;

public class AtmTest {
    public static void main(String[] args) {
        int balance = 1000;
        System.out.print("请输入取款金额:(整百数，最少100，最多900): ");
        Scanner sc = new Scanner(System.in);
        try {
            int withdraw_num = sc.nextInt(); 
            if (withdraw_num >= 100 && withdraw_num <= 900 && withdraw_num % 100 == 0) {//判断输入为整百数，最小100，最大900，如果是则继续判断
                if (balance >= withdraw_num) { //如果存款金额大于取款金额，存款金额减去取款金额
                    balance -= withdraw_num;
                    System.out.println("取款" + withdraw_num + " ,余额: " + balance);
                } else {
                    System.out.println("余额不足");
                }
            } else {//如果用户输入非整百数，提示用户失败
                System.out.println("您输入的非100整数，取款失败!");
            }
        } catch (InputMismatchException e) {//捕获输入非整数提示用户失败并打印堆栈
            System.out.println("您输入的不是整数，取款失败!");
            e.printStackTrace();
        } finally {
            System.out.println("欢迎再次光临!");
            sc.close(); //关闭输入
        }
    }

}