using System;

using System.IO;

​

public interface IAccount

{

    void PayInFunds(decimal amount);

    bool WithdrawFunds(decimal amount);

    decimal GetBalance();

    string GetName();

}

​

public class CustomerAccount : IAccount

{

    public CustomerAccount(string newName, decimal initialBalance)

    {

        name = newName;

        balance = initialBalance;

    }

​

    private decimal balance = 0;

    private string name;

    public virtual bool WithdrawFunds(decimal amount)

    {

        if (balance < amount)

        {

            return false;

        }

​

        balance = balance - amount;

        return true;

    }

​

    public void PayInFunds(decimal amount)

    {

        balance = balance + amount;

    }

​

    public decimal GetBalance()

    {

        return balance;

    }

​

    public string GetName()

    {

        return name;

    }

​

    public void Save(TextWriter inText)

    {

        inText.WriteLine(name);

        inText.WriteLine(balance);

    }

​

    public bool Save(string fileName) //SAVE function

    {

        StreamWriter writer = null;

        try

        {

            writer = new StreamWriter(fileName);

            Save(writer);

        }

        catch

        {

            Console.WriteLine("Account Save Unsuccessful");

            return false;

        }

        finally

        {

            if (writer != null)

            {

                writer.Close();

            }

        }

​

        Console.WriteLine("Account Saved");

        return true;

    }

​

    public CustomerAccount Load(TextReader reader) //LOAD function

    {

        CustomerAccount result = null; //Whatever I write here is so that anything outside of TRY will be able to read these values.

        string nameText;

        string balanceText;

        try

        {

            nameText = reader.ReadLine();

            balanceText = reader.ReadLine();

            decimal balance = decimal.Parse(balanceText);

            result = new CustomerAccount(nameText, balance);

        }

        catch

        {

            return null;

        }

        finally

        {

            if (result != null)

                reader.Close();

        }

​

        Console.WriteLine("Account Loaded: " + nameText + ", $" + balanceText);

        return result;

    }

​

    public void Load(string fileName) //LOAD function

    {

        StreamReader writer = new StreamReader(fileName);

        Load(writer);

    }

}

​

public class Program

{

    public static void Main()

    {

        CustomerAccount account1 = new CustomerAccount("Federick", 1250);

        account1.Save("outputFile.txt");

        account1.Load("outputFile.txt");

    }

}