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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is an Annotation?
💡 Hint: Think about how it relates to configuring or optimizing the code.
Question 2
Easy
What does the Reflection API allow you to do?
💡 Hint: Consider activities developers might want to perform during the execution of a program.
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 are Annotations used for?
- To improve runtime performance
- To provide metadata
- To replace class files
💡 Hint: Consider their role in modern software frameworks.
Question 2
True or False: Reflection can access private members of a class.
- True
- False
💡 Hint: Remember the power of Reflection and its implications on encapsulation.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a Java program that defines a custom annotation and uses Reflection to read its value from a method.
💡 Hint: Ensure to define your annotation with appropriate retention policy and target.
Question 2
Explain a scenario where using the Reflection API might cause performance bottlenecks in a large application.
💡 Hint: Consider where Reflection is used heavily—like in iterative operations.
Challenge and get performance evaluation