static void Main()
{
Payment phone = new Payment("Samsung S6", 3500m);
Payment monitor = new Payment("Monitor Sony", 149.99m);
Customer ivan = new Customer("Ivan", "Petrov", "Ivanov", 9305054476, "Borisova 34", "0883-43-43-12",
"*****@*****.**", new List<Payment>() { phone, monitor }, CustomerType.Regular);
// correct copy
Customer ivanCopy = (Customer)ivan.Clone();
ivanCopy.FirstName = "Ivancho";
ivanCopy.Payments.Add(new Payment("Car audi A4", 5000m));
Console.WriteLine(ivan);
Console.WriteLine(ivanCopy);
Console.WriteLine("ivanCopy == ivan : {0}", ivanCopy == ivan);
Console.WriteLine("ivan.Equals(ivanCopy) : {0}", ivan.Equals(ivanCopy));
Console.WriteLine("Object.ReferenceEquals(ivan, ivanCopy) : {0}", Object.ReferenceEquals(ivan, ivanCopy));
Console.WriteLine("\n\n");
// incorrect copy
ivanCopy = ivan;
ivan.FirstName = "Ivancho";
ivanCopy.Payments.Add(new Payment("Car audi A4", 5000m));
Console.WriteLine(ivan);
Console.WriteLine(ivanCopy);
Console.WriteLine("ivanCopy == ivan : {0}", ivanCopy == ivan);
Console.WriteLine("ivan.Equals(ivanCopy) : {0}", ivan.Equals(ivanCopy));
Console.WriteLine("Object.ReferenceEquals(ivan, ivanCopy) : {0}", Object.ReferenceEquals(ivan, ivanCopy));
}
static void Main()
{
Customer pesho = new Customer("Petyr",
"Antoniev",
"Georgiev",
"7289182732",
"Sofia",
"0921332",
"*****@*****.**",
CustomerType.Diamond);
pesho.AddPayment(new Payment("Danyk", 200m));
Customer pesho2 = (Customer)pesho.Clone();
Console.WriteLine("pesho and pesho2 are equal: " + pesho.Equals(pesho2));
pesho2.Email = "*****@*****.**";
Console.WriteLine("pesho and pesho2 are equal: " + pesho.Equals(pesho2));
Console.WriteLine(pesho.CompareTo(pesho2));
pesho2.FirstName = "Ivan";
Console.WriteLine(pesho.CompareTo(pesho2));
}
static void Main()
{
Payment hdd = new Payment("WD HDD 2TB", 189.99m);
Payment mouse = new Payment("Mouse", 9.90m);
Customer geek = new Customer("Bill", "Gates", 8712013812, Enum.CustomerType.Diamond, hdd, mouse);
Payment vacation = new Payment("Vacation", 1250);
Customer smart = new Customer("Katya", "Georgieva", "Tomova", 9203131111, Enum.CustomerType.OneTime, "Sofia", null, null, vacation);
Customer geekCopy = (Customer)geek.Clone();
geek.AddNewPayment(vacation);
Console.WriteLine(geek);
Console.WriteLine(geekCopy);
Console.WriteLine(geek == smart);
Console.WriteLine(geek == geekCopy);
Console.WriteLine(Customer.Equals(geek, geekCopy));
Console.WriteLine();
Customer[] customers = new[] { geek, geekCopy, smart };
Array.Sort(customers);
Console.WriteLine(string.Join("\n", customers.ToList()));
}
public static bool operator ==(Customer a, Customer b)
{
return(Customer.Equals(a, b));
}
private static void Main()
{
var pizza = new Payment("Pizza", 5);
var coffee = new Payment("Coffee", 2);
var croason = new Payment("Croason", 1);
var customerA = new Customer("Noumi", "Vi", "Chu", "8809023456",
"str. Ivan Vazov", "0999998999", "*****@*****.**", CustomerType.OneTime);
customerA.Payments.Add(pizza);
var customerB = new Customer("Noumi", "Vi", "Chu", "8809023456",
"str. Ivan Vazov", "0999998999", "*****@*****.**", CustomerType.OneTime);
customerB.Payments.Add(pizza);
var customerC = new Customer("Ivo", "Bi", "Rov", "8909023456",
"str. Ivan Bujorv", "0999998988", "*****@*****.**", CustomerType.Diamond);
var customerD = new Customer("Noumi", "Vi", "Chu", "8809023456",
"str. Ivan Vazov", "0999998999", "*****@*****.**", CustomerType.OneTime);
customerD.Payments.Add(coffee);
customerD.Payments.Add(croason);
var customerE = new Customer("Noumi", "Vi", "Chu", "9809023456",
"str. Ivan Vazov", "0999998999", "*****@*****.**", CustomerType.OneTime);
var customerF = new Customer("Galina", "Vi", "Chu", "8809023456",
"str. Ivan Vazov", "0999998999", "*****@*****.**", CustomerType.OneTime);
Console.WriteLine("customerA == customerB: " + customerA.Equals(customerB)); // True
Console.WriteLine("customerA == customerC: " + customerA.Equals(customerC)); // False
Console.WriteLine("customerA == customerD: " + customerA.Equals(customerD)); // False
Console.WriteLine("customerA == customerB: {0}", customerA == customerB); // True
Console.WriteLine("customerA == customerC: {0}", customerA == customerC); // False
Console.WriteLine("customerA != customerC: {0}", customerA != customerC); // True
Console.WriteLine("customerA != customerD: {0}", customerA != customerD); // True
Console.WriteLine();
var hashCustomers = new HashSet <Customer> {
customerA, customerB, customerC, customerD
};
foreach (var customer in hashCustomers)
{
Console.WriteLine(customer); //customerA, customerC, customerD
}
var clone = customerA.Clone();
Console.WriteLine("clone == customerA: {0}", clone == customerA); //True
Console.WriteLine("clone == customerB: {0}", clone == customerB); //True
Console.WriteLine("clone == customerC: {0}", clone == customerC); //False
Console.WriteLine();
var customers = new List <Customer>()
{
customerA, customerB, customerC, customerD, customerE, customerF
};
customers.Sort();
foreach (var customer in customers)
{
Console.WriteLine(customer.FirstName + " => " + customer.Id);
}
}