Java Annotations · interview question
When using custom annotations in Java, which retention policy must be specified to ensure annotations are available at runtime?
Multiple choiceMediumchapter-16-curatedpremiumjava-annotationsannotation-processors
Answer and explanation
Correct answer
A. RUNTIME
Why
RetentionPolicy.RUNTIME ensures that annotations are retained at runtime, allowing them to be accessed via reflection. This is essential for frameworks that need to inspect annotations during execution.
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