Practice Use Cases of Annotations - 24.9 | 24. Reflection and Annotations | Advanced Programming
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24.9 - Use Cases of Annotations

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the purpose of the @Test annotation in JUnit?

💡 Hint: Think about how JUnit identifies test methods.

Question 2

Easy

What does the @Entity annotation signify in JPA?

💡 Hint: Focus on what this annotation represents in terms of database mapping.

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 does the @Autowired annotation do?

  • Injects a dependency automatically
  • Marks a method as a test
  • Identifies a database entity

💡 Hint: Remember its purpose in managing dependencies!

Question 2

True or False: Annotations can slow down the performance of application code.

  • True
  • False

💡 Hint: Think about what happens during annotation processing.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a simple Java project using Spring that utilizes @Autowired for dependency injection and @Entity for persistence. Discuss how these annotations simplify the overall structure.

💡 Hint: Make sure to include examples of how classes are annotated and interact.

Question 2

Reflect on a codebase that you have encountered. Identify places where annotations could reduce boilerplate code or simplify configuration. Provide concrete examples.

💡 Hint: Think about repetitive creation of getter/setter methods or manual wiring in service layers.

Challenge and get performance evaluation