static void Main(string[] args)
{
Hashtable ht = new Hashtable();
ht.Add("1", "Akshay");
ht.Add("2", "Hari");
ht.Add("3", "Raghvan");
ht.Add(4, "Milind");
ht.Add('m', null); //0
ht.Add("Mahesh", null); //1
ht.Add(10, 30); //2
ht.Add(12, 30); //3
ht.Add("12", 55.43); //4
ICollection key = ht.Keys;
Console.WriteLine("Retrieving all elements: ");
Console.WriteLine();
foreach (var i in key)
{
Console.WriteLine(i + ":" + ht[i]);
}
Console.WriteLine();
Console.WriteLine("Retrieving all Keys: ");
foreach (var i in key)
{
Console.WriteLine(i);
}
Console.WriteLine("it is read only :" + ht.IsReadOnly);
Console.WriteLine("it is Synchronized :" + ht.IsSynchronized);
ht.Clear();
Console.WriteLine("Capacity of Array " + ht.AsParallel());
Console.WriteLine();
}