Object-oriented programming · interview question
Which approach should be used to prevent modification of a list returned by a method?
Multiple choiceHardchapter-3-curatedpremiumoopobject-responsibility
Answer and explanation
Correct answer
D. Return an unmodifiable list
Why
Returning an unmodifiable list ensures that the caller cannot modify the list. This approach enforces encapsulation by maintaining the integrity of the original list while providing read-only access.
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