Let’s take a minute to review what we’ve covered about linked lists in this lesson.

Linked Lists:

  • Are comprised of nodes
  • The nodes contain a link to the next node (and also the previous node for bidirectional linked lists)
  • Can be unidirectional or bidirectional
  • Are a basic data structure, and form the basis for many other data structures
  • Have a single head node, which serves as the first node in the list
  • Require some maintenance in order to add or remove nodes
  • The methods we used are an example and depend on the exact use case and/or programming language being used

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