What is index-based I/O for ArrayList collections in C#?

The ArrayList class represents an ordered collection of objects that can be individually indexed. It is an alternative to arrays.

The following table lists some common attributes of the ArrayList class:

The following is an example that shows how to use ArrayList in C# and find the capacity. The default capacity is 4.

Example

using System;
using System.Collections;

namespace Demo {
   class Program {
      static void Main(string[] args) {
         ArrayList x = new ArrayList();

         x.Add(45);
         x.Add(53);
         x.Add(12);
         x.Add(88);

         Console.WriteLine("Capacity: {0} ", x.Capacity);
      }
   }
}

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