Collections · interview question
Which operation is typically faster in a HashSet compared to a List?
Multiple choiceMediumchapter-4-curatedpremiumcollectionsset-interface-and-hashset
Answer and explanation
Correct answer
A. Checking if an element exists
Why
HashSet is optimized for checking membership due to its use of hash codes. This makes checking if an element exists typically faster than in a List, which must iterate through elements to find a match.
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