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What does "hash table" mean in programming?
hash table 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
The underlying data structure that implements hash maps and hash sets. It uses a hash function to compute an index into an array of buckets. Collisions are handled with chaining (linked lists) or open addressing.
Example
"The hash table resizes when the load factor exceeds 0.75 to maintain O(1) performance."
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