Modern Java · interview question
How can using wrapper classes instead of primitive types improve a domain model?
Multiple choiceEasychapter-7-curatedpremiummodern-javacleaner-domain-modeling
Answer and explanation
Correct answer
C. They allow for null values, representing optionality.
Why
Wrapper classes can be null, allowing you to represent optional or missing values in your domain model, which is not possible with primitive types.
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