Insert an element into the ArrayList at the specified index in CSharp

using System;//  w  w w .ja v a  2 s . c o  m
using System.Collections;

class MainClass {

    public static void Main() {
        ArrayList al = new ArrayList(5);

        // Add three elements to the end of the array
        al.Add(10);
        al.Add(9);
        al.Add(8);

        foreach (int i in al) {
            Console.WriteLine("Entry {0}", i);
        }


        // Now, insert three elements in the front of the array
        al.Insert(0, 1);
        al.Insert(0, 2);
        al.Insert(0, 3);

        foreach (int i in al) {
            Console.WriteLine("Entry {0}", i);
        }


        // Finally, insert into some random spots
        al.Insert(2, 4);
        al.Insert(4, 5);
        al.Insert(6, 6);

        foreach (int i in al) {
            Console.WriteLine("Entry {0}", i);
        }

    }
}