Java Annotations · interview question
Why can using reflection in Java applications become a problem in production code?
Multiple choiceHardchapter-16-curatedpremiumjava-annotationsannotation-processors
Answer and explanation
Correct answer
A. It can introduce significant runtime performance overhead.
Why
Reflection can introduce significant runtime performance overhead because it involves inspecting classes, methods, and fields dynamically, which is slower than direct method calls or field accesses.
Test yourself on Java Annotations
A free test with instant, explained results. No account needed.
More Java Annotations questions
- Given the following custom annotation, what is the default retention policy if none is specified?
- Why does the setAccessible(true) method in Java reflection matter in practice?
- How does breaking encapsulation using setAccessible(true) impact a Java application?
- Why do teams use Java annotations in production code?
- How would you explain a key limitation of compile-time annotation processing in a Java interview?
- Which Java Reflection method is used to access annotations at runtime?