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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the @Override annotation do?
💡 Hint: Think about what happens when a method has the same signature as its parent.
Question 2
Easy
What does @Deprecated signify?
💡 Hint: Ask yourself if there are new alternatives available.
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 purpose of the @Override annotation?
- To indicate that a method is new
- To show that a method is deprecated
- To signify method overriding
💡 Hint: Recall when you use this annotation with a method signature.
Question 2
The @Deprecated annotation...
- True
- False
💡 Hint: Think about how libraries inform users of changes.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a custom annotation to log method execution time. Include @Retention and @Target annotations in your design.
💡 Hint: Think about why you might want to log method execution in a system.
Question 2
Discuss how using @SuppressWarnings can impact the maintainability of a codebase. Provide an example where it may be misused.
💡 Hint: Consider how unhandled warnings might lead to broken code.
Challenge and get performance evaluation