static void Main(string[] args) { string productName = "apple"; double cost = 15; string description = "amasya apple"; string[] fruits = new string[] { "Apple" }; Product product1 = new Product(); product1.Name = "Apple"; product1.Cost = 15; product1.Description = "amasya apple"; Product product2 = new Product(); product2.Name = "Watermelon"; product2.Cost = 8; product2.Description = "diyarbakır watermelon"; Product[] products = new Product[] { product1, product2 }; foreach (Product product in products) { Console.WriteLine(product.Name); Console.WriteLine(product.Cost); Console.WriteLine(product.Description); Console.WriteLine("***********"); } Console.WriteLine("*********methods*******"); //instance //encapsulation CartManager cartmanager = new CartManager(); cartmanager.Add(product1); cartmanager.Add(product2); cartmanager.Sum2("Pear", "Green Pear", 12, 8); }