Java Interview Questions · interview question

Which practice avoids a common mistake with Linked List Reversal?

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Ignore the Linked List Reversal issue and rely on team discipline instead of APIs or contracts.Do not overwrite the next pointer before saving it, because that loses the remainder of the list.Silence the Linked List Reversal problem by using raw types, broad catches, or shared mutable state.Prefer the version of Linked List Reversal that makes behavior less predictable as long as the code compiles.

Answer and explanation

Correct answer

B. Do not overwrite the next pointer before saving it, because that loses the remainder of the list.

Why

Do not overwrite the next pointer before saving it, because that loses the remainder of the list. This is a common failure mode in real Java code and a frequent interview follow-up.

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Which practice avoids a common mistake with Linked List Reversal?

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