Core Java · interview question
How would you explain a common pitfall when using autoboxing with wrapper classes in a loop in an interview?
Multiple choiceHardchapter-7-curatedpremiumcore-javacode-reading-with-modern-java
Answer and explanation
Correct answer
B. Unnecessary object creation leading to increased memory usage.
Why
Autoboxing can lead to unnecessary object creation in loops, which increases memory usage and can degrade performance. Each iteration may create a new wrapper object instead of reusing a primitive.
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