24. Reflection and Annotations

Try these first

1. 1.

   What is Java Reflection?

   Hint

   Think about how you can get information about classes while your code is running.

2. 2.

   What does the @Override annotation indicate?

   Hint

   Consider how methods relate between classes.

3. 3.

   What Java package is primarily used for Reflection?

   • java.lang
   • java.lang.reflect
   • java.util

   Hint

   Recall the specific package mentioned in our lessons.

4. 4.

   Annotations in Java can be defined using which symbol?

   • True
   • False

   Hint

   Think about the syntax of annotations.

5. 5.

   Design and implement a custom annotation that can be used to mark methods requiring authentication, then demonstrate its use in a simple application.

   Hint

   Focus on how annotations can offer additional behavior.

6. 6.

   Discuss how Reflection can lead to security vulnerabilities in Java applications, providing examples.

   Hint

   Consider scenarios where security restrictions might not be enforced.