static void Main()
{
IBankAccount venusAccount = new SaverAccount();
ITransferBankAccount jupiterAccount = new CurrentAccount();
venusAccount.PayIn(200);
jupiterAccount.PayIn(500);
jupiterAccount.TransferTo(venusAccount, 100);
Console.WriteLine(venusAccount.ToString());
Console.WriteLine(jupiterAccount.ToString());
}
static void Main()
{
IBankAccount venusAccount = new SaverAccount(); //When F9 is pressed, IBankAccount is called from interface Wrox.ProCSharp.IBankAccount
ITransferBankAccount jupiterAccount = new CurrentAccount(); //Each Method is called from an Interface
venusAccount.PayIn(200); //venusAccount is a local variable, When F5(debug) is pressed, value of venusAccount is set to null
jupiterAccount.PayIn(500);
jupiterAccount.TransferTo(venusAccount, 100);
Console.WriteLine(venusAccount.ToString());//When F5 is pressed on this line, value changes from null to 0
Console.WriteLine(jupiterAccount.ToString());//When F5 is pressed on this line, value changes from null to 0
}