static void Main(string[] args) { CustomList<int> sample = new CustomList<int>(); sample.Add(1); sample.Add(0); sample.Add(-3); sample.Add(-12); sample.Add(-2); sample.Add(100); sample.Add(-1); sample.Add(1); sample.Add(-1); Console.WriteLine("Befoure we remove negative elements:"); for (int index = 0; index < sample.Count; index++) { Console.Write(sample[index]); if (index != sample.Count - 1) { Console.Write(','); } } Console.WriteLine(); sample.RemoveNegativeElements(); Console.WriteLine("After we removed negative elements:"); for (int index = 0; index < sample.Count; index++) { Console.Write(sample[index]); if (index != sample.Count - 1) { Console.Write(','); } } Console.WriteLine(); }