Core Java · interview question
Why are default methods in interfaces beneficial for API evolution?
Multiple choiceMediumchapter-5-curatedpremiumcore-javadefault-methods-and-multiple-inheritance
Answer and explanation
Correct answer
D. They allow adding methods to interfaces without breaking existing implementations.
Why
Default methods allow interfaces to evolve by adding new methods without forcing all implementing classes to provide implementations, thus maintaining backward compatibility.
Test yourself on Core Java
A free test with instant, explained results. No account needed.
More Core Java questions
- In a console shopping cart application, why might you separate input handling from calculations?
- What happens if a subclass does not implement an abstract method from its superclass?
- Why would you choose to use a switch statement instead of multiple if-else statements for handling order status?
- Which part of the following code is responsible for avoiding an off-by-one error?
- Why can using overly complex methods in an e-commerce application become a problem in production code?
- How can a class implementing an interface with a default method call that method from within an overridden method?