Question

How to adds strings and print Hashtable in C#

Answer 1

using System;
using System.Collections;

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

            hashtable[1] = "c#";
            hashtable[2] = "c";
            hashtable[3] = "c++";
            hashtable[4] = "java";

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


/*
run:
     
4, java
3, c++
2, c
1, c#
 
*/

 

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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();

            hashtable[1] = "c#";
            hashtable[9] = "c";
            hashtable[10] = "c++";
            hashtable[18] = "java";

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


/*
run:
     
18, java
10, c++
9, c
1, c#
 
*/

 

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Answer 3

using System;
using System.Collections;

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

            hashtable.Add("c#", 100);
            hashtable.Add("c", 101);
            hashtable.Add("c++", 102);
            hashtable.Add("java", 107);

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


/*
run:
     
java, 107
c++, 102
c, 101
c#, 100
 
*/

 

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