Core Java · interview question
Why should you be cautious when relying on autoboxing and unboxing in performance-critical code?
Multiple choiceMediumchapter-7-curatedpremiumcore-javawrapper-types-and-autoboxing
Answer and explanation
Correct answer
C. It can introduce hidden performance costs
Why
Autoboxing and unboxing introduce overhead because of the conversions between primitives and their wrapper classes, which can impact performance in tight loops or performance-critical sections of code.
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