Object-oriented programming · interview question
Which approach ensures that a method returns an unmodifiable list in Java?
Multiple choiceMediumchapter-3-curatedpremiumoopobject-responsibility
Answer and explanation
Correct answer
C. Wrapping the list with Collections.unmodifiableList()
Why
Using Collections.unmodifiableList() wraps the original list and provides an unmodifiable view of it, preventing any modifications to the list by external code.
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