import java.util.Scanner;
/**
* @author 苗晓强
* @date 2023/7/25 16:12
* 使用 do while 循环语句,模拟银行取钱、存钱、查询余额
*/
public class DoWhileTest {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
double balance = 0.0;
boolean flag = true;
do {
System.out.println("==========ATM=============");
System.out.println("1、存款");
System.out.println("2、取款");
System.out.println("3、查询余额");
System.out.println("4、退出");
System.out.print("请输入您想要的服务选项:");
int select = scanner.nextInt();
switch (select){
case 1:
System.out.println("请输入您要存款的金额:");
double money1 = scanner.nextDouble();
if (money1 > 0){
balance += money1;
}else {
System.out.println("您输入的存款金额有误,请重新输入!");
}
break;
case 2:
System.out.println("请输入您要取款的金额:");
double money2 = scanner.nextDouble();
if (money2 > 0 && money2 <= balance){
balance -= money2;
}else {
System.out.println("您输入的取款金额有误,请重新输入!");
}
case 3:
System.out.println("您的账户余额是:" + balance);
break;
case 4:
flag = false;
break;
default:
System.out.println("您输入的选项有误,请重新输入,谢谢。");
}
}while (flag);
scanner.close();
}
}
使用 do while 循环语句,模拟银行取钱、存钱、查询余额
猜你喜欢
转载自blog.csdn.net/mnimxq/article/details/131921488
今日推荐
周排行