static void Main(string[] args)
{
CustomerManager customerManager = new CustomerManager(new CustomerValidationManager());
Customer musteri1 = new Customer();
musteri1.FirstName = "Ulaş";
musteri1.CustomerID = 1;
musteri1.LastName = "Bozkurt";
musteri1.IdentityNumber = "1111111";
musteri1.DateOfBirth = new DateTime(1997);
Customer musteri2 = new Customer();
musteri2.FirstName = "Can";
musteri2.CustomerID = 2;
musteri2.LastName = "Bozkurt";
musteri2.IdentityNumber = "2222222";
musteri2.DateOfBirth = new DateTime(1998);
Customer musteri3 = new Customer();
musteri3.FirstName = "Haydar";
musteri3.CustomerID = 3;
musteri3.LastName = "Bozkurt";
musteri3.IdentityNumber = "333333";
musteri3.DateOfBirth = new DateTime(1999);
customerManager.Update(musteri1);
customerManager.Delete(musteri2);
customerManager.Register(musteri3);
Console.WriteLine("------------");
Offers offer1 = new Offers();
offer1.OfferID = 1;
offer1.OfferType = "İskonto 1";
offer1.OfferStatus = true;
Offers offer2 = new Offers();
offer2.OfferID = 2;
offer2.OfferType = "İskonto 2";
offer2.OfferStatus = true;
Offers offer3 = new Offers();
offer3.OfferID = 3;
offer3.OfferType = "İskontosuz";
offer3.OfferStatus = false;
OfferManager offerManager = new OfferManager();
offerManager.NewOffer(offer1);
offerManager.UpdateOffer(offer2);
offerManager.DeleteOffer(offer3);
offerManager.DeleteOffer(offer1);
offerManager.DeleteOffer(offer2);
Console.WriteLine("------------");
MarketManager marketManager = new MarketManager();
marketManager.Buy(offer1, musteri1);
marketManager.Buy(offer2, musteri2);
marketManager.Buy(offer3, musteri3);
Console.ReadLine();
}