Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What method would you use to access private fields of a class?
💡 Hint: Think about which method gives you access regardless of visibility.
Question 2
Easy
Which method provides only accessible methods of a class?
💡 Hint: Consider what 'accessible' means in this context.
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 getDeclaredFields() return?
- Only public fields
- All fields regardless of visibility
- Only static fields
💡 Hint: Consider what 'declared' implies.
Question 2
True or False: getMethods() retrieves private methods.
💡 Hint: Think about method accessibility.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a program using reflection that inspects a custom class with multiple private fields and methods, modifies a field, and invokes a method dynamically. Document your code with comments explaining each step.
💡 Hint: Start with defining the class first, then apply reflection methods.
Question 2
Construct a scenario where using reflection might cause performance issues in a large-scale application. Discuss how you would mitigate this issue.
💡 Hint: Consider how often you need to access and modify fields/methods dynamically.
Challenge and get performance evaluation