Java Interview Questions · interview question

Which practice avoids a common mistake with LinkedHashMap and Iteration Order?

Multiple choiceMediumjava-interview-2026interviewjavapitfall

Prefer the version of LinkedHashMap and Iteration Order that makes behavior less predictable as long as the code compiles.Silence the LinkedHashMap and Iteration Order problem by using raw types, broad catches, or shared mutable state.Ignore the LinkedHashMap and Iteration Order issue and rely on team discipline instead of APIs or contracts.Do not promise sorted order from LinkedHashMap, because its order is linked traversal order, not comparator-based order.

Answer and explanation

Correct answer

D. Do not promise sorted order from LinkedHashMap, because its order is linked traversal order, not comparator-based order.

Why

Do not promise sorted order from LinkedHashMap, because its order is linked traversal order, not comparator-based order. 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 LinkedHashMap and Iteration Order?

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