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What does "node" mean in programming?
node is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
A single element in a data structure such as a tree, linked list, or graph. Each node holds a value and references to connected nodes. The term is also used for Node.js, the JavaScript runtime.
Example
"Each node in the binary search tree stores a value and pointers to its left and right children."
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