Object-oriented programming · interview question
Why might a developer choose to use an interface over an abstract class in Java?
Multiple choiceHardchapter-5-curatedpremiumoopinterfaces
Answer and explanation
Correct answer
D. To allow a class to implement multiple interfaces
Why
A developer might choose interfaces over abstract classes to allow a class to implement multiple interfaces, as Java doesn't support multiple inheritance with classes but does with interfaces.
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?