Core Java · interview question
Consider a class where a public field references a mutable list. What is a safer design approach for this scenario?
Multiple choiceHardchapter-3-curatedpremiumcore-javacode-reading-and-state-safety
Answer and explanation
Correct answer
C. Return an unmodifiable view of the list.
Why
Returning an unmodifiable view of the list prevents external code from modifying the list, thus preserving the integrity of the class's internal state while still allowing read access.
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