Practice What Is Reflection? - 7.2.1 | 7. Annotations and Reflection API | Advance Programming In Java
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Practice Questions

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Question 1

Easy

What is the primary purpose of the Reflection API in Java?

💡 Hint: Think about what 'reflection' allows you to do in programming.

Question 2

Easy

Name one key class used in Java Reflection.

💡 Hint: What class represents a class or interface?

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 Reflection API allow you to do?

  • Inspect and modify code at compile time
  • Inspect and manipulate classes at runtime
  • Only read class methods

💡 Hint: Think about the flexibility that runtime gives compared to compile time.

Question 2

Can reflection access private fields of classes?

  • True
  • False

💡 Hint: Remember, accessing private members is a feature of the Reflection API.

Solve 3 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Write a Java program that uses reflection to list all methods in a class and execute one of them.

💡 Hint: Remember to handle exceptions for invocations.

Question 2

Design an annotation and use reflection to process classes with that annotation, printing relevant data.

💡 Hint: Make sure you think about how to define and apply your annotation.

Challenge and get performance evaluation