Hash Table
using System;
using System.Collections;
class HashTable
{
static void Main(string[] args)
{
Hashtable hash = new Hashtable(); // Declaring a Hash table
// Adding values as key-value pairs using Add method. First parameter is the key and second parameter is the value.
hash.Add("1",1);
hash.Add("2", 2);
hash.Add("3", 3);
hash.Add("4", 4);
// For displaying values in a Hashtable,we can use a foreach loop
int limit = hash.Count; // Gets the size of Hash table
Console.WriteLine("Using foreach loop");
foreach (string i in hash.Keys)
{
Console.WriteLine(hash[i]);
}
Console.ReadLine();
}
}
Output:
Using foreach loop
1
2
3
4