using System;

using System.Collections;

​

public class Program

{

    public static void Main()

    {

        ArrayList arlist = new ArrayList()

                {

                    1,"Bill",300,4.5f, 2,"Jhon",200,2.5f

                };

​

        arlist.Insert(1, "Second Item");

        arlist.Remove("Bill");

​

        foreach (var val in arlist)

            Console.WriteLine(val);

    }

}