public static void Perform()
{
IPhoneFactory nokiaMobilePhone = new NokiaFactory();
PhoneClient nokiaClient = new PhoneClient(nokiaMobilePhone);
Console.WriteLine("********* NOKIA **********");
Console.WriteLine(nokiaClient.GetSmartPhoneDetails());
Console.WriteLine(nokiaClient.GetNormalPhoneDetails());
IPhoneFactory samsungMobilePhone = new SamsungFactory();
PhoneClient samsungClient = new PhoneClient(samsungMobilePhone);
Console.WriteLine("******* SAMSUNG **********");
Console.WriteLine(samsungClient.GetSmartPhoneDetails());
Console.WriteLine(samsungClient.GetNormalPhoneDetails());
}