Object-oriented programming · interview question
What design issue might arise if CartItem modifies the Product quantity directly?
Multiple choiceHardchapter-2-curatedpremiumoopobject-interaction
Answer and explanation
Correct answer
C. It can lead to inconsistent product data across the system.
Why
Allowing CartItem to modify Product quantity directly violates encapsulation and can lead to inconsistent product data, as multiple items might have conflicting changes.
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