帮我用java写一个模拟银行管理系统
时间: 2023-04-07 10:05:15 浏览: 91
好的,我可以回答这个问题。以下是一个简单的Java代码示例,用于模拟银行管理系统:
```
import java.util.Scanner;
public class BankManagementSystem {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int choice;
double balance = 0;
do {
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("请选择操作:");
choice = scanner.nextInt();
switch (choice) {
case 1:
System.out.print("请输入存款金额:");
double deposit = scanner.nextDouble();
balance += deposit;
System.out.println("存款成功!");
break;
case 2:
System.out.print("请输入取款金额:");
double withdraw = scanner.nextDouble();
if (withdraw > balance) {
System.out.println("余额不足!");
} else {
balance -= withdraw;
System.out.println("取款成功!");
}
break;
case 3:
System.out.println("当前余额为:" + balance);
break;
case 4:
System.out.println("感谢使用本系统!");
break;
default:
System.out.println("无效的选择!");
break;
}
} while (choice != 4);
}
}
```
这个程序可以让用户进行存款、取款、查询余额等操作。当用户选择退出时,程序结束。
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