static void Main(string[] args) { GamerManager gamerManager = new GamerManager(new UserValidationManager()); gamerManager.Add(new Gamer { Id = 1, FirstName = "Engin", LastName = "Demiroğ", IdentityNumber = 12345, BirthYear = 1985 }); CampaignManager campaignManager = new CampaignManager(); campaignManager.NewCampaign(); campaignManager.CampaignUpdate(); campaignManager.CampaignDelete(); OrderManager orderManager = new OrderManager(new CampaignManager()); orderManager.Order(new Gamer { Id = 2, FirstName = "Berrin", LastName = "Cengiz", IdentityNumber = 123456789, BirthYear = 1991 }); }