Why should I care?
We use these data structures every day in programming.
Even if you're already familiar with them, it's helpful to recap them occasionally.
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We use these data structures every day in programming.
Even if you're already familiar with them, it's helpful to recap them occasionally.
In this article, we'll have a look at a data structure known as a doubly linked list. If you're unfamiliar with linked lists, I highly recommend that you check out this tutorial on linked lists before proceeding.
A doubly linked list (often abbreviated as DLL) is very much like a regular singly linked list (SLL).
Both DLL and SLL contain a pointer to the next node, as well as a data field to represent the actual value stored in the node.