VB.NET exercises and solutions: Doubly linked list-OOP

Doubly linked list

Exercise: create a doubly linked list in VB.NET programming language by using Object-Oriented Programming(OOP) concept.

The doubly linked list is much similar to the singly linked list, except that in the doubly linked list, we add a previous link to the element of the list. By doing this the list can be traversed forward and backward.

doubly linked list in VB.NET

In this solution to the exercise, we are going to build a doubly linkedlist that has two helpful links--one(pfirst) points to the first item of the list and another one(plast) point to the last item of the list. The program also provides a menu of choices that a user can use do some operations on the linkedlist.

doubly linkedlist operations menu in VB.NET  

To keep the solution simple, we divide it in to different steps as you see their links on the left menu.


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