Question

How to add elements to Hashtable using for loop in C#

Answer 1

using System;
using System.Collections;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            Hashtable hashtable = new Hashtable();

            for (int i = 0; i < 10; i++)
                hashtable[i.ToString("000")] = i;

            foreach (DictionaryEntry dic in hashtable)
                Console.WriteLine("{0}, {1}", dic.Key, dic.Value);
        }
    }
}


/*
run:
     
006, 6
000, 0
008, 8
003, 3
009, 9
002, 2
004, 4
001, 1
005, 5
007, 7
 
*/

 

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Answer 2

using System;
using System.Collections;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            Hashtable hashtable = new Hashtable();

            for (int i = 0; i < 10; i++)
                hashtable.Add(i.ToString("000"), i);

            foreach (DictionaryEntry dic in hashtable)
                Console.WriteLine("{0}, {1}", dic.Key, dic.Value);
        }
    }
}


/*
run:
     
006, 6
000, 0
008, 8
003, 3
009, 9
002, 2
004, 4
001, 1
005, 5
007, 7
 
*/

 

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