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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of setAccessible(true) in the context of Reflection?
💡 Hint: Think of what 'accessible' means.
Question 2
Easy
Why is Reflection considered powerful?
💡 Hint: What can it do that regular code cannot?
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?
- Modify private fields directly
- Inspect and modify classes at runtime
- Only read public methods
💡 Hint: Focus on runtime dynamics.
Question 2
Setting a field as accessible with setAccessible modifies its privacy level.
- True
- False
💡 Hint: Consider how access levels are defined.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Java program that uses Reflection to access a private field in any class and modify its value. Discuss the potential risks with this approach.
💡 Hint: Reflect on real-world implications of modifying access controls.
Question 2
Discuss how you might test a class's private state using Reflection in unit tests, and provide a coding example.
💡 Hint: Consider the balance between encapsulation and test coverage.
Challenge and get performance evaluation