static void Main(string[] args)
{
CustomerManager customerManager = new CustomerManager();
customerManager.Add();
customerManager.Read();
customerManager.Update();
customerManager.Delete();
Console.ReadLine();
ProductManager productManager = new ProductManager();
productManager.Add();
productManager.Read();
productManager.Update();
productManager.Delete();
Console.ReadLine();
Customer customer = new Customer();
customer.Id = 1;
customer.FirstName = "Cem";
customer.LastName = "Kırmızı";
customer.City = "Argentina";
//other
Customer customer2 = new Customer()
{
Id = 2, FirstName = "Yılmaz", LastName = "Turuncu", City = "Cuba"
};
Console.WriteLine(customer.City);
Console.WriteLine(customer2.City);
Console.ReadLine();
}