using System;

using System.Collections;

public class Program

{

    public static void Main()

    {

        var totalArrayList = new ArrayList();  // main array list

        var partialArrayList = new ArrayList() // secondary array list

        {

          1, "Mozart", " ", true, null, 4.5

        };

        int[] partialArray = { 1, 2, 3 };  // an array

        Queue partialQueue = new Queue();  // a queue with 2 elements

        partialQueue.Enqueue("Maurice");

        partialQueue.Enqueue("Ravel");

        // add partialArrayList + partialArray + partialQueue to totalArrayList

        totalArrayList.AddRange(partialArrayList);

        totalArrayList.AddRange(partialArray);

        totalArrayList.AddRange(partialQueue);

        // display elements on totalArrayList

        Console.WriteLine("*** totalArrayList elements");

        for (int i = 0; i < totalArrayList.Count; i++)

            Console.WriteLine("element " + i + " = " + totalArrayList[i]);

    }

}

​