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Which practice avoids a common mistake with Comparable vs Comparator?

Multiple choiceMediumjava-interview-2026interviewjavapitfall

Prefer the version of Comparable vs Comparator that makes behavior less predictable as long as the code compiles.Silence the Comparable vs Comparator problem by using raw types, broad catches, or shared mutable state.Do not let comparison logic disagree with equality semantics when the results feed sorted sets or maps.Ignore the Comparable vs Comparator issue and rely on team discipline instead of APIs or contracts.

Answer and explanation

Correct answer

C. Do not let comparison logic disagree with equality semantics when the results feed sorted sets or maps.

Why

Do not let comparison logic disagree with equality semantics when the results feed sorted sets or maps. 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 Comparable vs Comparator?

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