Domain Modeling · interview question

Which option describes the most likely pitfall around instance methods?

Multiple choiceMediumchapter-7-curatedpremiumdomain-modelinginstance-methods

Delay clarity until production traffic reveals the edge case and then patch it under pressure.Keep instance methods implicit so the script stays short and hope the next engineer infers the rule.Solve the symptom with comments only and avoid changing the code shape around instance methods.If every operation stays outside the object forever, the model can become a passive bag of fields.

Answer and explanation

Correct answer

D. If every operation stays outside the object forever, the model can become a passive bag of fields.

Why

If every operation stays outside the object forever, the model can become a passive bag of fields. Calling out that risk matters because candidates sound stronger when they explain why a method belongs on the object instead of in a utility module.

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Which option describes the most likely pitfall around instance methods?

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