Exceptions · interview question
When designing an API, why is it important to map exceptions to higher layers?
Multiple choiceMediumchapter-6-curatedpremiumexceptionsreliable-java-error-design
Answer and explanation
Correct answer
D. To avoid exposing internal exceptions to the client.
Why
Mapping exceptions to higher layers allows the API to abstract away internal details and provide a consistent error handling strategy to the client, thus maintaining encapsulation.
Test yourself on Exceptions
A free test with instant, explained results. No account needed.
More Exceptions questions
- When designing a Java API, how should exceptions be documented?
- Why can catching the Exception class in Java become a real problem?
- How can fail-fast validation impact the design of a Java class intended for secure financial transactions?
- Why can overusing checked exceptions in a library become a problem in production code?
- In which scenario does exception wrapping make code more reliable?
- What role does the 'finally' block serve in Java exception handling?