static void Main(string[] args) { // 1. Customer instance Customer customer1 = new Customer(); customer1.Id = 1; customer1.FirstName = "Gökhan"; customer1.LastName = "Çoban"; customer1.CitizenshipNumber = "425789562365"; // 2. Customer instance Customer customer2 = new Customer(); customer2.Id = 2; customer2.FirstName = "Ercan"; customer2.LastName = "Uçar"; customer2.CitizenshipNumber = "879513654321"; // 3. Customer instance Customer customer3 = new Customer(); customer3.Id = 3; customer3.FirstName = "Akın"; customer3.LastName = "Aras"; customer3.CitizenshipNumber = "565656565560"; // 4. Customer instance Customer customer4 = new Customer(); customer4.Id = 4; customer4.FirstName = "Orhan"; customer4.LastName = "Kılıç"; customer4.CitizenshipNumber = "595956336890"; // 5. Customer instance Customer customer5 = new Customer(); customer5.Id = 5; customer5.FirstName = "Turan"; customer5.LastName = "Duman"; customer5.CitizenshipNumber = "595956336890"; //CustomerManager instance CustomerManager manager = new CustomerManager(); Console.WriteLine("\nMüşteri Ekleme Sayfası"); manager.Add(customer1); manager.Add(customer2); manager.Add(customer3); manager.Add(customer4); manager.Add(customer5); //Console.WriteLine(""); Console.WriteLine("\nMüşteri Silme Sayfası"); manager.Delete(customer3); manager.Delete(customer4); //Müşteri Listesi List <Customer> customers = new List <Customer> { customer1, customer2, customer3, customer4, customer5 }; Console.WriteLine("\n Müşteri Görüntüleme Sayfası \n"); Console.WriteLine("{0,-7} {1,-13} {2,-13} {3}", "ID", "AD", "Soyad", "TC NO"); Console.WriteLine(); manager.PrintCustomers(customers); Console.WriteLine(); }