Question

How to assign a new value to Hashtable without using the Add method in C#

Answer 1

using System;
using System.Collections;

class Program
{
    static void Main()
    {
        // Create a new hashtable
        Hashtable hashtable = new Hashtable();

        // Assign a value to a key
        hashtable["key1"] = "value1";

        // Update the value for the same key
        hashtable["key1"] = "newValue1";
        
        // Assign a new value to a key
        hashtable["key2"] = "value2";

        Console.WriteLine(hashtable["key1"]);
        Console.WriteLine(hashtable["key2"]);
        
        foreach (DictionaryEntry dic in hashtable) {
            Console.WriteLine("{0}, {1}", dic.Key, dic.Value);
        }
    }
}

 
 
/*
run:
     
newValue1
value2
key2, value2
key1, newValue1
     
*/
 

 

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