Collections · interview question
Which collection allows you to store key-value pairs where quick lookup of product details by ID is crucial?
Multiple choiceMediumchapter-4-curatedpremiumcollectionscollection-performance-basics
Answer and explanation
Correct answer
C. HashMap
Why
HashMap offers O(1) average time complexity for get and put operations, making it ideal for scenarios where quick lookup of product details by ID is essential.
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