Collections · interview question
In which scenario would a HashMap be more appropriate than a List?
Multiple choiceMediumchapter-4-curatedpremiumcollectionsmap-interface-and-hashmap
Answer and explanation
Correct answer
B. When you need fast lookups by key.
Why
A HashMap is more appropriate when you need fast lookups by key due to its average constant-time complexity for get() and put() operations, whereas a List requires linear time complexity for lookups.
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