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 is an atomic variable?
💡 Hint: Think about what happens in a multi-threaded environment.
Question 2
Easy
Name one class in the java.util.concurrent.atomic package.
💡 Hint: It's used to perform atomic operations on integers.
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 AtomicInteger's incrementAndGet() method do?
- Increments the value and returns the original value
- Increments the value and returns the new value
- Checks if the value is zero
💡 Hint: Pay attention to what the method returns.
Question 2
True or False: Atomic variables require explicit locking for thread safety.
- True
- False
💡 Hint: Think about the primary purpose of atomic variables.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a multithreaded application that counts how many times a particular word appears in a text file using AtomicInteger. Include error handling.
💡 Hint: Consider thread safety and how to best share your counter.
Question 2
Explain why using an AtomicBoolean can lead to cleaner code compared to synchronized blocks for a simple stop flag.
💡 Hint: Think about the implications of shared state management.
Challenge and get performance evaluation