public static void Main()
{
var customerOne = new Customer("Goshko", "Goshkov", "Georgiev", "1234567890", CustomerType.Golden);
var customerTwo = customerOne.Clone();
Console.WriteLine("Customers are one and the same object in memory: {0}", ReferenceEquals(customerOne, customerTwo));
Console.WriteLine("Both students are equal (with same values): {0}\n", customerOne.Equals(customerTwo));
customerTwo.MiddleName = "Petranov";
customerTwo.MobilePhone = "0888 / 000 000";
customerOne.Email = "*****@*****.**";
var customerThree = new Customer("Pencho", "Petkov", "Grozdanov", "0987654321", CustomerType.Diamond);
customerThree.AddListOfPayments(
new List<Payment>() { new Payment("iPad", 1000000.0m), new Payment("Nokia", 100.0m) });
var customers = new List<Customer>() { customerOne, customerTwo, customerThree };
customers.Sort();
foreach (var customer in customers)
{
Console.WriteLine(customer);
}
}