static void Main(string[] args) { Campaigns campaign = new Campaigns { CampaignId = 1, CampaignName = "Black Friday", DiscountRate = 20 }; CampaignManager campaignManager = new CampaignManager(); Customers customer = new Customers { FirstName = "Muhammet", LastName = "Şanverdi", BirthYear = 1997, IdentificationNumber = 2341343124 }; CustomerManager customerManager = new CustomerManager(new CustomerVerificationManager()); customerManager.Add(customer); Games game = new Games { GameId = 1, GameName = "Crysis 3", GameType = "Action", GamePrice = 150, }; Games game1 = new Games { GameId = 2, GameName = "Dark Souls 3", GameType = "Adventure", GamePrice = 300, }; GameManager gameManager = new GameManager(); gameManager.Add(game1); gameManager.Update(game); campaignManager.Add(campaign); GameSaleManager gameSaleManager = new GameSaleManager(campaign, game); gameSaleManager.GameSale(game1, campaign, customer); campaignManager.Delete(campaign); gameManager.Delete(game); }