public static void Main(string[] args)
var customers = new Customer[5]
var customersFound = new Customer[5];
Console.WriteLine("Insert customer last name");
var lastName = Console.ReadLine();
var customersFoundCounter = 0;
foreach (var customer in customers)
if (lastName == customer.LastName)
customersFound[customersFoundCounter] = customer;
customersFoundCounter += 1;
foreach (var customer in customersFound)
Console.WriteLine("Customer's first name is" + " " + customer.FirstName + " "+ "and last name is" + " " + customer.LastName);
Console.WriteLine(customersFound.Length);
Array.Resize(ref customersFound, customersFoundCounter);
foreach (var customer in customersFound)
Console.WriteLine("Customer's first name is"+" "+ customer.FirstName +" and last name is" + " " + customer.LastName);
Console.WriteLine(customersFound.Length);
public int Age { get; set; }
public string Email { get; set; }
public int VatNumber { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
public string GetFullName()
return FirstName + " " + LastName;
public bool SetMailAddress(string email)
!string.IsNullOrWhiteSpace(email) &&
(email.EndsWith(".com") ||