using System;

using System.Collections;

using System.Collections.Generic;

using System.Diagnostics;

public class Program

{

    public static void Main()

    {

        Stopwatch sw= new Stopwatch();

        Hashtable ht=new Hashtable();

        ht.Add("1","Rathick");

        ht.Add(2,4444);

        sw.Start()  ;

        foreach(DictionaryEntry _dict in ht)

        {

            Console.WriteLine(_dict.Value);

        }

        Console.WriteLine("\n"+" hash elapsed : " + sw.ElapsedTicks);

         Dictionary<string, string> My_dict =  

                    new Dictionary<string, string>(); 

        // Adding key/value pairs in the Dictionary 

        // Using Add() method 

        My_dict.Add("a.01", "C"); 

        My_dict.Add("a.02", "C++"); 

        My_dict.Add("a.03", "C#"); 

        foreach(KeyValuePair<string, string> element in My_dict) 

        { 

            Console.WriteLine("Key:- {0} and Value:- {1}",  

                              element.Key, element.Value); 

        } 

​

    }

}