Object-oriented programming · interview question
In the context of immutability, why is it important to make defensive copies of internal mutable objects?
Multiple choiceHardchapter-3-curatedpremiumoopaccess-modifiers-and-visibility
Answer and explanation
Correct answer
C. To prevent external modification of the object's state
Why
Making defensive copies of internal mutable objects prevents external code from modifying the internal state of an object. This helps maintain immutability and ensures the object remains in a consistent state.
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