private static void Main() { var doublyLinkedList = new DoublyLinkedList(); doublyLinkedList.Add(5); doublyLinkedList.Add(10); doublyLinkedList.Add(15); Console.WriteLine(doublyLinkedList.Contains(10)); Console.WriteLine(doublyLinkedList.Contains(25)); Console.WriteLine(doublyLinkedList.Remove(10)); Console.WriteLine(doublyLinkedList.FindByIndex(1)); Console.WriteLine(doublyLinkedList.Count); Console.WriteLine(doublyLinkedList[1]); doublyLinkedList[1] = 20; Console.WriteLine(doublyLinkedList[1]); doublyLinkedList.Clear(); doublyLinkedList.Add(1); doublyLinkedList.Add(3); Console.WriteLine("Insert after: " + doublyLinkedList.InsertBefore(1, 2)); Console.Read(); }