using System;

using System.Collections;

​

public class Person

{

    public string name;

    public int age;

}

​

public class Program

{

    public static void Main()

    {

        Hashtable myHT = new Hashtable();

        myHT.Add(1, "John");

        myHT.Add(2, true);

        myHT.Add('A', 1.2345);

        myHT.Add('B', 20025);

        Person P = new Person();

        myHT.Add("myPerson", P);

        Console.WriteLine("====================Original Hashtable============");

        foreach (DictionaryEntry dicEntry in myHT)

        {

            Console.WriteLine("Key:" + dicEntry.Key + "     Values: " + dicEntry.Value);

        }

​

        myHT.Clear();       //Removes all the Key-Value pairs from the Hashtable

        Console.WriteLine("\n====================Modified Hashtable============");

        foreach (DictionaryEntry dicEntry in myHT)

        {

            Console.WriteLine("Key:" + dicEntry.Key + "     Values: " + dicEntry.Value);

        }

    }

}