Imports System
Imports System.Collections.Generic
Public Class GenericCollection
Public Shared Sub Main()
Dim lln As New LinkedListNode(Of String)("A")
DisplayProperties(lln)
Dim ll As New LinkedList(Of String)
ll.AddLast(lln)
DisplayProperties(lln)
ll.AddFirst("B")
ll.AddLast("C")
DisplayProperties(lln)
End Sub
Public Shared Sub DisplayProperties(lln As LinkedListNode(Of String))
If lln.List Is Nothing Then
Console.WriteLine(" Node is not linked.")
Else
Console.WriteLine(" Node belongs to a linked list with {0} elements.", lln.List.Count)
End If
If lln.Previous Is Nothing Then
Console.WriteLine(" Previous node is null.")
Else
Console.WriteLine(" Value of previous node: {0}", lln.Previous.Value)
End If
Console.WriteLine(" Value of current node: {0}", lln.Value)
If lln.Next Is Nothing Then
Console.WriteLine(" Next node is null.")
Else
Console.WriteLine(" Value of next node: {0}", lln.Next.Value)
End If
End Sub
End Class