Practice Processing Annotations At Runtime (24.8)

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9 questions

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6 sample questions

Question 1.
What is the purpose of annotations in Java?
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Think of them as 'tags' that provide extra information.
Question 2.
What method retrieves an annotation from a method?
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It starts with 'get' and ends with 'Annotation'.
3Question 3.
What do annotations in Java provide?
- a. Runtime behaviour of classes
- b. Metadata about program elements
- c. Implementation details of methods
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They add context without altering how the code runs.
4Question 4.
True or False: Annotations can be processed at compile time only.
- True
- False
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Remember, they can help runtime behavior.
Question 5.
Create a custom annotation and demonstrate how to retrieve its value using reflection in an example.
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Remember to call the right annotation and method!
Question 6.
Discuss the performance implications of using reflection and propose alternatives.
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Reflect on 'direct access vs. dynamic access' aspects.

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