Java Interview Questions · interview question
Which practice avoids a common mistake with Heap Operations and Invariants?
Multiple choiceMediumjava-interview-2026interviewjavapitfall
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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