Java Interview Questions · interview question

Which practice avoids a common mistake with Top-K with a Heap?

Multiple choiceMediumjava-interview-2026interviewjavapitfall

Prefer the version of Top-K with a Heap that makes behavior less predictable as long as the code compiles.Ignore the Top-K with a Heap issue and rely on team discipline instead of APIs or contracts.Silence the Top-K with a Heap problem by using raw types, broad catches, or shared mutable state.Do not choose the wrong heap orientation, because a reversed comparator can silently keep the wrong side of the ranking.

Answer and explanation

Correct answer

D. Do not choose the wrong heap orientation, because a reversed comparator can silently keep the wrong side of the ranking.

Why

Do not choose the wrong heap orientation, because a reversed comparator can silently keep the wrong side of the ranking. This is a common failure mode in real Java code and a frequent interview follow-up.

Test yourself on Java Interview Questions

A free test with instant, explained results. No account needed.

Start free test

All Java Interview Questions questions →

Which practice avoids a common mistake with Top-K with a Heap?

Correct answer

Why

More Java Interview Questions questions