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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What method do you use to retrieve all fields, including private ones, from a class?
💡 Hint: Look for a method that retrieves all declared fields.
Question 2
Easy
Write a code snippet that uses reflection to create an object of a class named 'Person'.
💡 Hint: Remember to handle exceptions!
Practice 1 more question 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 Class object represent in Java?
- A blueprint for objects
- A representation of loaded classes
- A form of metadata
💡 Hint: Focus on what is meant by a Class object.
Question 2
True or False: You can directly access private methods without using reflection.
- True
- False
💡 Hint: Consider the concept of access modifiers.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Java program using reflection that retrieves and lists all the methods from a class named 'Employee'.
💡 Hint: Don’t forget to handle exceptions when dealing with reflective operations.
Question 2
Write a code snippet that demonstrates dynamically creating an object of a class with a constructor that takes parameters.
💡 Hint: Ensure the constructor matches the parameter types correctly.
Challenge and get performance evaluation