hsynkrcf

public abstract class Phone
{
    public abstract void Make();
}

public class Iphone : Phone
{
    public override void Make()
    {
        Console.WriteLine("Iphone Created\n");

hsynkrcf

class Program
{
    static void Main(string[] args)
    {
        PhoneFactory pf1 = new PhoneFactory();
        pf1.MakePhone(new Iphone());
        PhoneFactory pf2 = new PhoneFactory();
        pf2.MakePhone(new Samsung());
        Console.ReadLine();
    }

hsynkrcf

public class PhoneFactory
{
    public void MakePhone(Phone phone)
    {
        switch (phone.Type)
        {
            case PhoneType.Iphone:
                MakeIphone((Iphone)phone);
                break;
            case PhoneType.Samsung:

hsynkrcf

public class Phone
{
    public PhoneType Type { get; set; }
}
public enum PhoneType
{
    Iphone,
    Samsung
}
public class Iphone : Phone