Object-oriented programming · interview question
How do you prevent a 'Product' instance from being modified after it has been added to a 'Cart'?
Multiple choiceHardchapter-2-curatedpremiumoopobject-references
Answer and explanation
Correct answer
D. Make the Product immutable.
Why
Making a Product immutable means it cannot be modified once created. This is typically achieved by not providing setters and making fields final.
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More Object-oriented programming questions
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- In the context of e-commerce, which class is most likely to contain a method called calculateTotalPrice()?
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