Array

string[] ar = new string[10];
ar.Length - размерность

int[,] ar2 = new int[10,20] // two-dimensional array 10 x 20

List\ Class

var names = new List<string> { "<name>", "Ana", "Felipe" };
foreach (var name in names)
{
  Console.WriteLine($"Hello {name.ToUpper()}!");
}

Console.WriteLine($"The list has {names.Count} people in it");
Console.WriteLine($"My name is {names[0]}.");

Properties

• l.Count;

Methods

• l.Sort();
• l.Add("newname");
• l.Remove(3); // remove first 3
• l.RemoveAt(3); // remove element index 3
• l.RemoveAll(x => x == 3); // remove all 3
• l.RemoveRange(2,3)
• l.AddRange(new[] {88, 333, 1123123});
• l.Clear();

ArrayList - Список из разнотипных элементов

var f = new ArrayList();
temp = (int)MyArryList[n];

LinkedList

```C# val ll = new LinkedList();

ll.AddLast(1); ll.AddFirst(3);

var last = ll.AddLast(4); ll.AddBefore(last, 8);