7.1 - Annotations in Java
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Practice Questions
Test your understanding with targeted questions
What is an annotation in Java?
💡 Hint: Think about external information added to code.
What does the @Override annotation do?
💡 Hint: Consider how this relates to inheritance.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main purpose of annotations in Java?
💡 Hint: Think about what 'metadata' means.
True or False: Annotations can directly alter the logic of code.
💡 Hint: Consider how annotations are defined and what they do.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Create a custom annotation called @JsonSerializable that can be applied to classes, making them JSON serializable.
💡 Hint: Think about what information you'd want to mark for serialization.
Explain how you would implement a processor that reads @JsonSerializable annotations and converts annotated classes to JSON.
💡 Hint: Consider the steps of using reflection and what library you might use for JSON operations.
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