static void Main(string[] args) { GamerManager gamerManager = new GamerManager(new NewEStateUserValidationManager()); gamerManager.Add(new Gamer { Id = 1, BirthYear = 1998, FirstName = "Serhat", LastName = "Ardic", IdentityNumber = 12345 }); Gamer gamer2 = new Gamer(); gamer2.BirthYear = 1998; gamer2.FirstName = "Serhat"; gamer2.LastName = "Ardic"; gamer2.IdentityNumber = 12345; GamerManager gamerManager1 = new GamerManager(new NewEStateUserValidationManager()); gamerManager.Add(gamer2); OrderManager orderManager = new OrderManager(); orderManager.Order(gamer2); CampaignManager campaignManager = new CampaignManager(); campaignManager.Discount(gamer2); campaignManager.Gift(gamer2); campaignManager.GiftDelete(gamer2); }