Object-oriented programming · interview question
In an e-commerce application, how can you safely expose a list of available products to a caller?
Multiple choiceMediumchapter-3-curatedpremiumoopdefensive-copying
Answer and explanation
Correct answer
C. Return an unmodifiable view of the list
Why
Returning an unmodifiable view of the list via Collections.unmodifiableList provides the caller with a snapshot that cannot be modified, preserving the integrity and encapsulation of the original list.
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