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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What method is used to obtain the Class object in Java?
💡 Hint: Starts with Class and ends with forName.
Question 2
Easy
How can you access fields declared in a class?
💡 Hint: It allows access to both public and private fields.
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 getDeclaredMethods() method return?
- Only public methods
- All methods including private
- Only static methods
💡 Hint: Think broadly about the access level of methods.
Question 2
True or False: Reflection can improve application performance by allowing direct access to class members.
- True
- False
💡 Hint: Consider the efficiency of different access methods.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a class Person with a private field age. Write a method that uses reflection to change age to 30 when given an object of Person.
💡 Hint: Remember to handle exceptions like `NoSuchFieldException`.
Question 2
Discuss the implications of using reflection in a security-sensitive application. What measures could you take to mitigate risks?
💡 Hint: Consider best practices in Java security.
Challenge and get performance evaluation