Practice Meta-annotations (7.1.4) - Annotations and Reflection API

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8 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
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6 sample questions

Question 1.
What does @Retention specify?
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Think about when the annotation is available.
Question 2.
Which meta-annotation allows subclasses to inherit annotations?
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Consider the nature of inheritance.
3Question 3.
What does the @Target meta-annotation do?
- It specifies how long an annotation is retained
- It defines where an annotation can be applied
- It indicates the annotation is documented
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Think about the usage context of annotations.
4Question 4.
Is @Inherited applicable to all annotations?
- True
- False
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Consider the scope of inheritance.
Question 5.
How would you implement a custom annotation that allows methods to be tracked for execution time and include retention and target meta-annotations?
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Identify the purpose and where to use the annotation.
Question 6.
Create a scenario in which forgetting to annotate with @Documented could lead to issues in a large codebase.
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Think about documentation and how it aids understanding in collaboration.

4 more questions in this section. Enroll free to practise them all.