根据我们前辈的要求，我们被要求创建一个应用程序，用户可以在其中输入并获取他/她的储蓄信息的详细信息......
它工作得很好，除了当我按下 Enter 键时，我得到一个异常并且我的程序崩溃了。
请向我提供信息，以便在我的控制台应用程序中，即使我按 Enter 键，我也不会收到异常，而是返回程序。
非常感谢，非常感谢帮助。
这是我的程序。
using System;
using System.Collections.Generic;
using System.Text;
namespace bankprob {
class sav_acc
{
public float amount;
public sav_acc(float amount)
{
this.amount = amount;
}
public void getdeposit(float depos)
{
amount += depos;
}
public void display()
{
Console.WriteLine("Balance of Customer :{0} ", amount);
}
public void withdrawl(float amt)
{
amount =amount - amt;
}
public void minbal()
{
if (amount < 1000)
{
Console.WriteLine("You cannot withdraw beyond the minimum balance of rupees 1000. ");
return;
}
}
}
class cur_acc
{
public float amount = 0;
public cur_acc( float amount)
{
this.amount = amount;
}
public void getdeposit(float depos)
{
amount += depos;
}
public void display()
{
Console.WriteLine("Balance of Customer : {0}", amount);
}
public void withdrawl(float amt)
{
amount = amount - amt;
}
public void minbal()
{
if (amount < 1000)
{
Console.WriteLine(" Your balance is less than 1000, and u cannot make any withdrawals");
}
else
Console.WriteLine("Balance is greater than Rs 1000 no need to panality");
}
}
class Program
{
public static void Main(string[] args)
{
Console.WriteLine("Welcome Mr.Sayeed");
Console.WriteLine("Please select the type of account.\n1.Savings 2.Current 3.Exit");
int ch;
ch = int.Parse(Console.ReadLine());
switch (ch)
{
case 1:
Console.WriteLine("Enter Initail Amount : ");
float amt = int.Parse(Console.ReadLine());
sav_acc s = new sav_acc(amt);
Console.WriteLine("Enter deposit money : ");
float depos = float.Parse(Console.ReadLine());
s.getdeposit(depos);
s.display();
Console.WriteLine("Enter withdrawl Amount");
float wamt = float.Parse(Console.ReadLine());
s.withdrawl(wamt);
s.display();
s.minbal();
s.display();
break;
case 2:
Console.WriteLine("Enter Initail Amount : ");
float am = int.Parse(Console.ReadLine());
cur_acc c = new cur_acc(am);
Console.WriteLine("Enter deposit money : ");
float depo = float.Parse(Console.ReadLine());
c.getdeposit(depo);
c.display();
Console.WriteLine("Enter withdrawl Amount");
float wam = float.Parse(Console.ReadLine());
c.withdrawl(wam);
c.display();
c.minbal();
c.display();
break;
case 3:
Console.WriteLine("Thank you for Using this applicaton");
return;
default:
Console.WriteLine("You have made a wrong choice, Thank you...");
return;
}
}
}
}