Object-oriented programming · interview question
In a shopping cart application, how can you prevent a 'Cart' from directly modifying a 'Product'?
Multiple choiceHardchapter-2-curatedpremiumoopobject-references
Answer and explanation
Correct answer
C. Use encapsulation by setting Product fields to private and providing no setters.
Why
Encapsulation restricts access to the fields of a class. By making fields private and providing no setters, you ensure that Products cannot be directly modified by a Cart.
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