Practice Annotations in Java - 7.1 | 7. Annotations and Reflection API | Advance Programming In Java
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is an annotation in Java?

πŸ’‘ Hint: Think about external information added to code.

Question 2

Easy

What does the @Override annotation do?

πŸ’‘ Hint: Consider how this relates to inheritance.

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 is the main purpose of annotations in Java?

  • Modify code execution
  • Provide metadata
  • Add comments

πŸ’‘ Hint: Think about what 'metadata' means.

Question 2

True or False: Annotations can directly alter the logic of code.

  • True
  • False

πŸ’‘ Hint: Consider how annotations are defined and what they do.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Create a custom annotation called @JsonSerializable that can be applied to classes, making them JSON serializable.

πŸ’‘ Hint: Think about what information you'd want to mark for serialization.

Question 2

Explain how you would implement a processor that reads @JsonSerializable annotations and converts annotated classes to JSON.

πŸ’‘ Hint: Consider the steps of using reflection and what library you might use for JSON operations.

Challenge and get performance evaluation