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Nodes: Conceptual
Nodes Review

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

Nodes:

  • Contain data, which can be a variety of data types
  • Contain links to other nodes. If a node has no links, or they are all null, you have reached the end of the path you were following.
  • Can be orphaned if there are no existing links to them
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