static void Main(string[] args) { GamerManager gamerManager = new GamerManager(new GamerValidationManager()); gamerManager.GamerAdd(new Gamer() { Id = 1, FirstName = "salih", LastName = "yılmaz" }); CampaignManager campaignManager = new CampaignManager(); campaignManager.CampaignAdd(new Campaign() { CampaignName = "İndirim" }); SaleManager saleManager = new SaleManager(); saleManager.Sale(new Sale() { OrderNumber = 50 }); }