Java Interview Questions · interview question

Which practice avoids a common mistake with Lambdas and Functional Interfaces?

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Prefer the version of Lambdas and Functional Interfaces that makes behavior less predictable as long as the code compiles.Do not hide complex business rules inside large lambda bodies where debugging and naming become harder.Ignore the Lambdas and Functional Interfaces issue and rely on team discipline instead of APIs or contracts.Silence the Lambdas and Functional Interfaces problem by using raw types, broad catches, or shared mutable state.

Answer and explanation

Correct answer

B. Do not hide complex business rules inside large lambda bodies where debugging and naming become harder.

Why

Do not hide complex business rules inside large lambda bodies where debugging and naming become harder. 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 Lambdas and Functional Interfaces?

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