Core Java · interview question
In an e-commerce application, how can encapsulation improve the design of a class representing a shopping cart?
Multiple choiceMediumchapter-2-curatedpremiumcore-javacode-reading-and-refactoring-to-objects
Answer and explanation
Correct answer
D. By hiding internal details and exposing only necessary interfaces.
Why
Encapsulation improves design by hiding the internal details of a class and exposing only the necessary interfaces. This approach ensures controlled access to the class's data, reducing dependencies and potential errors.
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