using System;

using System.Collections;

public class Program

{

    public static void Main()

    {

        Hashtable ht = new Hashtable()

                        {

                            { 1, "One" },

                            { 2, "Two" },

                            { 3, "Three" },

                            { 4, "Four" },

                            { 5, null },

                            { "Fv", "Five" },

                            { 8.5F, 8.5 }

                        };

        Console.WriteLine("Number of elements: {0}", ht.values);

​

    }

}