Array List in c#

an array list is like array but we does not need to specify the size of array list.

ArrayList is a class in collection name space

Some Common Property 

Capacity : Get or set the number of element that ArrayList contain

Count : get the number of element that array list contain

IsFixedSize : Gets a value indicating whether a ArrayList object has a fixed size. A collection with a fixed size does not allow the addition or removal of elements after the collection is created, but does allow the modification of existing elements.

Item : Gets or sets the element at the specified index.

Mothod

Add() : add on object at the end of array list

Example

     ArrayList arr4 = new ArrayList();

            arr4.Add(25);

            arr4.Add(26);

            arr4.Add(36);

            arr4.Add(43);

            foreach (int ok in arr4)

            {

                Console.WriteLine(ok);

            }

            Console.ReadKey();