Collections · interview question
When would using a HashSet be more beneficial than using an ArrayList in a catalog?
Multiple choiceMediumchapter-4-curatedpremiumcollectionsset-interface-and-hashset
Answer and explanation
Correct answer
C. When duplicates must be prevented
Why
HashSet is beneficial when you need to prevent duplicates, as it enforces uniqueness. ArrayList allows duplicates and maintains insertion order, which is not needed here.
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