ArrayList

An ArrayList provides array-like access, using indexers, while having the capability to grow dynamically as needed. The collection maintains the order in which items were added and provides the ability to insert and remove items. The following are typical operations:

var lst = new ArrayList();lst.Add(1);                               // {    1 }lst.AddRange(new[] { 2, 3, 7, 6, 5, 4 }); // {    1, 2, 3, 7, 6, 5, 4 }lst.Insert(index: 0, value: 0);           // { 0, 1, 2, 3, 7, 6, 5, 4 }lst.RemoveAt(index: 4);                   // { 0, 1, 2, 3,    6, 5, 4 }lst.Remove(obj: 1);                       // { 0,    2, 3,    6, 5, 4 }lst.RemoveRange(index: 2, count: 3);      // { 0,    2,             4 }lst.Reverse();                            // ...

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