public int CompareTo(object obj)
{
MailContact comp = obj as MailContact;
if (comp != null)
{
return(string.Compare(mail, comp.mail));
}
else
{
throw new ArgumentException("Not a mail contact.");
}
}
static void Main(string[] args)
{
Contact[] arr = new Contact[5];
arr[0] = new MailContact("andrew", "andrgmailcom");
arr[1] = new MailContact("bodya", "bodgmailcom");
arr[2] = new MailContact("marian", "mariangmailcom");
arr[3] = new PhoneContact("vasyl", 234002340);
arr[4] = new PhoneContact("oleg", 324823487);
showInformationByName("marian", arr);
showInformationByName("petro", arr);
var sortedArray = arr.OrderBy(x => x.name).ToList();
Array.Sort(arr, ContactComparator);
printArray(sortedArray);
Console.Read();
}
public IContact Parse(string str)
{
string[] array = str.Split(' ', 2);
IContact contact;
if (Convert.ToInt32(array[0]) == 1)
{
contact = new MailContact();
}
else if (Convert.ToInt32(array[0]) == 2)
{
contact = new PhoneContact();
}
else
{
throw new Exception("invalid data");
}
contact.Input(array[1]);
return(contact);
}