using System;

using System.Collections;

public class HelloWorld

{

 public static void Main ()

  {

​

    ArrayList arlist = new ArrayList()

                        {

                            1,

                            "Bill",

                            300,

                            4.5F

                        };

     Console.WriteLine("Adding elements into an array List");

    arlist.Insert(1,"second place");

    foreach (var val in arlist)

            Console.WriteLine(val);

     Console.WriteLine("///////////////////////////////////////////////////////////////////");

     Console.WriteLine("Removing array elements in array list");

     arlist.Remove(4.5F);

     arlist.RemoveAt(0);

     foreach(var item in arlist)

     {

         Console.WriteLine(item);

     }

  }

​

}

​