using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
class Account
{
private decimal balance;
private decimal currentIntRate;
private decimal totalInterestPaid;
public Account()
{
balance = 0;
currentIntRate = 0;
totalInterestPaid = 0;
}
public void SetInteresrRate(decimal newIterestRate)
{
currentIntRate = newIterestRate;
}
public decimal GetInterestRate()
{
return currentIntRate;
}
public void updateInterest()
{
totalInterestPaid += balance * currentIntRate;
balance += balance * currentIntRate;
}
public void Withdraw(decimal amount)
{
balance -= amount;
}
public void Deposit(decimal amount)
{
balance += amount;
}
public decimal GetBalance()
{
return balance ;
}
public decimal GetTotalInterestPaid()
{
return totalInterestPaid;
}
}
class Bank
{
private Account[] accounts;
public Bank()
{
Console.WriteLine("Congratulation!You have create a new bank.");
Console.Write("Please enter number of accounts in bank:");
accounts = new Account[Convert.ToInt32(Console.ReadLine())];
for (int i = 0; i < accounts.Length; i++)
{
accounts[i] = new Account();
}
}
public void Deposit()
{
int accountNumber;
decimal amount;
Console.Write("Deposit.Please enter account number:");
accountNumber = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter amount to deposit:");
amount = Convert.ToDecimal(Console.ReadLine());
accounts[accountNumber - 1].Deposit(amount);
Console.WriteLine("New balance of account {0}:{1:C}", accountNumber, accounts[accountNumber - 1].GetBalance());
}
public void Withdraw()
{
int accountNumber;
decimal amount;
Console.Write("Withdraw.Please enter account number:");
accountNumber = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter amount to Withdraw:");
amount = Convert.ToDecimal(Console.ReadLine());
accounts[accountNumber - 1].Withdraw(amount);
Console.WriteLine("New balance of account {0}:{1:C}", accountNumber, accounts[accountNumber - 1].GetBalance());
}
public void SetInterestRate()
{
int accountNumber;
decimal newInterestRate;
Console.Write("Set interest rate.Please enter account number:");
accountNumber = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter Interest rate:");
newInterestRate = Convert.ToDecimal(Console.ReadLine());
accounts[accountNumber - 1].SetInteresrRate(newInterestRate);
}
public void PrintAllInterestRate()
{
Console.WriteLine("Interest rates for all accounts");
for (int i = 0; i < accounts.Length; i++)
{
Console.WriteLine("Account {0,-3}:{1,-10}", (i + 1), accounts[i].GetInterestRate());
}
}
public void PrintAllBalances()
{
Console.WriteLine("Account balances for all accounts");
for (int i = 0; i < accounts.Length; i++)
{
Console.WriteLine("Account {0,-3}:{1,-10}", (i + 1), accounts[i].GetBalance());
}
}
public void PrintTotalInterestPaidAllAccounts()
{
Console.WriteLine(" Total interest paid for each individual account");
for (int i = 0; i < accounts.Length; i++)
{
Console.WriteLine("Account {0,-3}:{1,-10}", (i + 1), accounts[i].GetTotalInterestPaid());
}
}
public void UpdateInterestAllAccounts()
{
for (int i = 0; i < accounts.Length; i++)
{
Console.WriteLine("Interest added to Account number {0,-3}:{1,12:C}", (i + 1), accounts[i].GetBalance()*accounts[i].GetTotalInterestPaid());
accounts[i].updateInterest();
}
}
}
class BankSimulation
{
private static Bank bigBucksBank;
public static void Main()
{
string command;
bigBucksBank = new Bank();
do
{
PrintMenu();
command=Console.ReadLine().ToUpper();
switch(command)
{
case "D":
bigBucksBank.Deposit();
break;
case "W":
bigBucksBank.Withdraw();
break;
case "S":
bigBucksBank.SetInterestRate();
break;
case "U":
bigBucksBank.UpdateInterestAllAccounts();
break;
case "P":
bigBucksBank.PrintAllBalances();
break;
case "T":
bigBucksBank.PrintTotalInterestPaidAllAccounts();
break;
case "I":
bigBucksBank.PrintAllInterestRate();
break;
case "E":
Console.WriteLine("Bye Bye!");
break;
default:
Console.WriteLine("Invalid choice");
break;
}
}while(command!="E");
}
private static void PrintMenu()
{
Console.WriteLine("\nWhat would you like to do?\n" +
"D)esposit\n" +
"W)ithdraw\n" +
"S)et interest rate\n" +
"U)pdate all accounts for interest\n" +
"P)rint all balances\n" +
"T)otal interest paid printed for all accounts\n" +
"I)nterest rates printed for all accounts\n" +
"E)nd session\n" +
"Nate:First accout has accout number one");
}
}
}
