Object-oriented programming · interview question
In Java, which of the following best describes the concept of encapsulation?
Multiple choiceEasychapter-3-curatedpremiumoopcontrolled-mutation
Answer and explanation
Correct answer
A. Encapsulation is about hiding the implementation details and exposing only the necessary parts.
Why
Encapsulation involves keeping the details of an object's implementation hidden from the outside world, exposing only the necessary components through a well-defined interface.
Test yourself on Object-oriented programming
A free test with instant, explained results. No account needed.
More Object-oriented programming questions
- Why does declaring a method as 'final' in a superclass change runtime behavior?
- Why might a developer choose to use a 'restock' method rather than a public setter for inventory?
- How do unmodifiable views differ from defensive copies in protecting internal collections?
- In an e-commerce application, what is the advantage of using a 'processOrder' method in a Product class?
- Which statement is true about interfaces in Java?
- Why are public mutable fields risky in a store model?