package com.imooc.catchWork;

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

public class ATMWithdrawal {
    private static int accountBalance = 1000; // 小慕的账户余额

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        try {
            System.out.println("请输入取款金额（必须为百元数字）：");
            int withdrawalAmount = scanner.nextInt();

            // 验证金额是否为百元数字
            if (withdrawalAmount % 100 != 0) {
                throw new IllegalArgumentException("取款金额必须为百元数字！");
            }

            // 验证金额是否小于账户余额
            if (withdrawalAmount > accountBalance) {
                throw new IllegalArgumentException("账户余额不足！");
            }

            // 执行取款操作
            withdraw(withdrawalAmount);
            System.out.println("取款成功，当前账户余额为：" + accountBalance + "元");

        } catch (InputMismatchException e) {
            System.out.println("输入错误！请输入整数金额。");
        } catch (IllegalArgumentException e) {
            System.out.println(e.getMessage());
        } finally {
            scanner.close(); // 关闭控制台输入
        }
    }

    // 取款方法
    private static void withdraw(int amount) {
        if (amount <= accountBalance) {
            accountBalance -= amount;
        } else {
            throw new IllegalArgumentException("账户余额不足！");
        }
    }
}