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Java Interview Questions · interview question

Which practice avoids a common mistake with Heap Operations and Invariants?

Multiple choiceMediumjava-interview-2026interviewjavapitfall
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Answer and explanation

Correct answer

C. Do not describe a heap as fully sorted, because siblings and deeper nodes have no guaranteed total order among themselves.

Why

Do not describe a heap as fully sorted, because siblings and deeper nodes have no guaranteed total order among themselves. This is a common failure mode in real Java code and a frequent interview follow-up.

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