Collections · interview question
Consider a HashSet with objects whose hashCode always returns the same value. What impact does this have?
Multiple choiceHardchapter-4-curatedpremiumcollectionsset-interface-and-hashset
Answer and explanation
Correct answer
D. Decreased performance due to collision handling
Why
If all objects have the same hashCode, they will all be placed in the same bucket, leading to linear time complexity for operations, as each element must be checked individually.
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