static void Main(string[] args)
{
Ad original = new Ad("Jacobs", 30);
Console.WriteLine(original.toString());
Ad copy = (Ad)original.copy();
Console.WriteLine(copy.toString());
AdFactory factory = new AdFactory(copy);
Ad a1 = factory.makeCopy();
Console.WriteLine(a1.toString());
factory.setPrototype(new Ad("Nescafe", 180));
Ad a2 = factory.makeCopy();
Console.WriteLine(a2.toString());
Console.ReadKey();
}
public Ad makeCopy()
{
return((Ad)ad.copy());
}