static void Main(string[] args)
{
//Arraylists
Console.WriteLine("arraylists");
ArrayList a1 = new ArrayList();
a1.Add(5);
a1.Add("raju");
a1.Add(2.33);
a1.Add('d');
foreach (var val in a1)
{
Console.WriteLine(val);
}
a1.Remove(2.33);
foreach (var val in a1)
{
Console.WriteLine(val);
}
Console.WriteLine("***********");
//non generic Queue
Console.WriteLine("Queue");
Queue qlist = new Queue();
qlist.Enqueue(1);
qlist.Enqueue("raj");
qlist.Enqueue('r');
Console.WriteLine("removed element is" + qlist.Dequeue());
foreach (var val in qlist)
{
Console.WriteLine(val);
}
Console.WriteLine("***********");
Console.WriteLine("Stack");
Stack slist = new Stack();
slist.Push(23);
slist.Push("hello");
slist.Push(23.122);
Console.WriteLine(slist.Pop());
Console.WriteLine(slist.Peek());
foreach (var s in slist)
{
Console.WriteLine(s);
}
Console.WriteLine("***********");
Console.WriteLine("Hash table");
Hashtable ht = new Hashtable();
ht.Add(1, "raj");
ht.Add("a", 1000);
ht.Add("t1", 30);
foreach (var h in ht.Keys)
{
Console.WriteLine(h);
Console.WriteLine(ht[h]);
}
Console.WriteLine("***********");
Console.WriteLine("List");
List <int> list = new List <int>();
list.Add(10);
list.Add(10);
list.Add('a');
list.Add(34);
foreach (int val in list)
{
Console.WriteLine(val);
}
Console.WriteLine("***********");
HashSet <int> hs = new HashSet <int>();
Console.WriteLine("Hash set");
hs.Add(10);
hs.Add(20);
hs.Add(47);
foreach (int val in hs)
{
Console.WriteLine(val);
}
Console.WriteLine("***********");
Console.WriteLine(" generic queue");
Queue <string> gqlist = new Queue <string>();
gqlist.Enqueue("1");
gqlist.Enqueue("arun");
gqlist.Enqueue("c");
Console.WriteLine(gqlist.Dequeue());
foreach (var val in gqlist)
{
Console.WriteLine(val);
}
Stack <float> gslist = new Stack <float>();
gslist.Push(23);
gslist.Push(12.234f);
gslist.Push(23.123f);
Console.WriteLine(gslist.Pop());
Console.WriteLine(gslist.Peek());
foreach (var s in gslist)
{
Console.WriteLine(s);
}
Console.WriteLine("***********");
Console.WriteLine("Dictionary");
Dictionary <int, string> dt = new Dictionary <int, string>();
dt.Add(1, "Raj");
dt.Add(2, "radha");
dt.Add(3, "lakshmi");
foreach (KeyValuePair <int, string> kl in dt)
{
Console.WriteLine(kl.Key);
Console.WriteLine(kl.Value);
}
Console.ReadLine();
Console.ReadLine();
}