static void Main(String[] args)
{
int choice, data, x;
DoublyLinkedList list = new DoublyLinkedList();
list.CreateList();
while (true)
{
Console.WriteLine("1.Display list ");
Console.WriteLine("2. Insert i empty List ");
Console.WriteLine("3. Insert a Node in begining of the list ");
Console.WriteLine("4. Insert a node at the end of the list ");
Console.WriteLine("5. Insert a node after a specified node ");
Console.WriteLine("6. Insert a node before specified node ");
Console.WriteLine("7. Delete first node ");
Console.WriteLine("8. Delete last node ");
Console.WriteLine("9. Delete any node ");
Console.WriteLine("10. Reverse the list ");
Console.WriteLine("11. Quit ");
Console.WriteLine("Enter your choice :");
choice = Convert.ToInt32(Console.ReadLine());
if (choice == 11)
{
break;
}
switch (choice)
{
case 1:
list.DisplayList();
break;
case 2:
Console.WriteLine("enter an element to be inserted");
data = Convert.ToInt32(Console.ReadLine());
list.InsertEmptyList(data);
break;
case 3:
Console.WriteLine("enter an element to be i9nserted");
data = Convert.ToInt32(Console.ReadLine());
list.InsertBeginning(data);
break;
case 4:
Console.WriteLine("enter an element to be inserted");
data = Convert.ToInt32(Console.ReadLine());
list.InsertAtEnd(data);
break;
case 5:
Console.WriteLine("enter an elemet to be inserted ");
data = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("enter the element after which to be inserted ");
x = Convert.ToInt32(Console.ReadLine());
list.InsertAfterNode(data, x);
break;
case 6:
Console.WriteLine("enter an elemet to be inserted ");
data = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("enter the element before which to be inserted ");
x = Convert.ToInt32(Console.ReadLine());
list.InsertBefore(data, x);
break;
case 7:
list.DeleteFirstNode();
break;
case 8:
list.DeleteLastNode();
break;
case 9:
Console.WriteLine(" Enter the element to be Deleted :");
data = Convert.ToInt32(Console.ReadLine());
list.DeleteNode(data);
break;
case 10:
list.ReverseList();
break;
default:
Console.WriteLine(" Wrong choice");
break;
}
Console.WriteLine();
}
Console.WriteLine("exiting");
}
