static void Main(string[] args) { IGamerService gamerService = new SteamGamerManager(new MernisServiceAdapter()); gamerService.Save(new Gamer { Id = 1, FirstName = "Batuhan", LastName = "Güner", NationalityId = "14725836912", DateBirth = new DateTime(1997, 2, 23) }); IGameSales gameSales = new SalesManager(); gameSales.ToSell(new Gamer { FirstName = "Batuhan" }, new Game { Id = 1, Name = "Call Of Duty", Category = "Action", Price = 125.50 }); ICampaingService campaingService = new CampaingManager(); campaingService.Add(new Campaign { Id = 1, Name = "Yaza Mücde", ExpireDate = new DateTime(2021, 4, 5), Percantage = 25 }); IGameSales gameSales1 = new SalesManager(); gameSales1.CampaignToSell(new Game { Name = "Call Of Duty", Price = 125.50 }, new Campaign { Name = "Yaza Mücde", Percantage = 25 }, true); Console.ReadLine(); }