static void Main(string[] args)
{
Currency janeCash = new UsaDollar(1500);
var janeAcc = new BankAccount("Jane", "1234", janeCash);
janeAcc.Deposit(500);
int janeWithdraw = janeAcc.Withdraw("1111", 500);
Console.WriteLine("janeWithdraw = " + janeWithdraw);
// janeWithdraw = 0
janeWithdraw = janeAcc.Withdraw("1234", 500);
Console.WriteLine("janeWithdraw = " + janeWithdraw);
// janeWithdraw = 500
janeWithdraw = janeAcc.Withdraw("1234", 2000);
Console.WriteLine("janeWithdraw = " + janeWithdraw);
// janeWithdraw = 0
Currency johnnyCash = new HungarianForint(500);
var myBank = new Bank();
myBank.CreateAccount(janeAcc);
myBank.CreateAccount(new BankAccount("Johnny", "1993", johnnyCash));
int allMoney = myBank.GetAllMoney();
Console.WriteLine("allMoney = " + allMoney);
// allMoney = 2000
Console.ReadLine();
}
