static void Main(string[] args)
{
//Generally we will get the Card Type from UI.
//Here we are hardcoded the card type
string cardType = "MoneyBack";
CreditCard cardDetails = null;
//Based of the CreditCard Type we are creating the
//appropriate type instance using if else condition
if (cardType == "MoneyBack")
{
cardDetails = new MoneyBack();
}
else if (cardType == "Titanium")
{
cardDetails = new Titanium();
}
else if (cardType == "Platinum")
{
cardDetails = new Platinum();
}
if (cardDetails != null)
{
Console.WriteLine("CardType : " + cardDetails.GetCardType());
Console.WriteLine("CreditLimit : " + cardDetails.GetCreditLimit());
Console.WriteLine("AnnualCharge :" + cardDetails.GetAnnualCharge());
}
else
{
Console.Write("Invalid Card Type");
}
}
protected override CreditCard MakeProduct()
{
CreditCard product = new Platinum();
return(product);
}