static void Main(string[] args)
{
int choice, data, x;
DoubleLinkedList list = new DoubleLinkedList();
list.CreateList();
while (true)
{
Console.WriteLine("1.Display List");
Console.WriteLine("2.Insert in empty list ");
Console.WriteLine("3. Insert a node in beginning 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 a specified node");
Console.WriteLine("7. Delete first node");
Console.WriteLine("8. Delete last node");
Console.WriteLine("9. Delete any node ");
Console.WriteLine("10. Reverse of a list");
Console.Write(" enter your choice: ");
choice = Convert.ToInt32(Console.ReadLine());
if (choice == 11)
{
break;
}
switch (choice)
{
case 1:
list.DisplayList();
break;
case 2:
Console.Write("enter the elements to be inserted: ");
data = Convert.ToInt32(Console.ReadLine());
list.InsertInEmptyList(data);
break;
case 3:
Console.Write("Enter the elements to be inserted: ");
data = Convert.ToInt32(Console.ReadLine());
list.InsertInBeginning(data);
break;
case 4:
Console.Write("Enter the element to be inserted: ");
data = Convert.ToInt32(Console.ReadLine());
list.InsertAtEnd(data);
break;
case 5:
Console.Write("Enter the element to be inserted: ");
data = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter the element after which to insert ");
x = Convert.ToInt32(Console.ReadLine());
list.InsertAfter(data, x);
break;
case 6:
Console.Write("Enter the element to be inserted: ");
data = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter the element before which to insert ");
x = Convert.ToInt32(Console.ReadLine());
list.InsertBefore(data, x);
break;
case 7:
list.DeleteFirstNode();
break;
case 8:
list.DeleteLastNode();
break;
case 9:
Console.Write(" 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 ");
}