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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of annotations in Java?
💡 Hint: Think of them as 'tags' that provide extra information.
Question 2
Easy
What method retrieves an annotation from a method?
💡 Hint: It starts with 'get' and ends with 'Annotation'.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What do annotations in Java provide?
- a. Runtime behaviour of classes
- b. Metadata about program elements
- c. Implementation details of methods
💡 Hint: They add context without altering how the code runs.
Question 2
True or False: Annotations can be processed at compile time only.
- True
- False
💡 Hint: Remember, they can help runtime behavior.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a custom annotation and demonstrate how to retrieve its value using reflection in an example.
💡 Hint: Remember to call the right annotation and method!
Question 2
Discuss the performance implications of using reflection and propose alternatives.
💡 Hint: Reflect on 'direct access vs. dynamic access' aspects.
Challenge and get performance evaluation