Core Java · interview question
Why can using default methods in Java interfaces become a problem in production code?
Multiple choiceMediumchapter-5-curatedpremiumcore-javadefault-methods-and-multiple-inheritance
Answer and explanation
Correct answer
B. They can complicate diamond inheritance issues
Why
Default methods can introduce complexity, especially with diamond inheritance, where a class implements two interfaces with the same default method. This requires the class to resolve which method to use.
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?