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What is a hash table?

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What is a hash table?

(a) A structure that maps values to keys

(b) A structure that maps keys to values

(c) A structure used for storage

(d) A structure used to implement stack and queue

My query is from Hash Tables topic in chapter Hash Tables of Data Structures & Algorithms I

This question was addressed to me during a job interview.

1 Answer

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Best answer
Correct option is (b) A structure that maps keys to values

The best explanation: A hash table is used to implement associative arrays which has a key-value pair, so the has table maps keys to values.

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