23.5.1 - What is volatile?
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
What does the volatile keyword do in Java?
💡 Hint: Think about how threads share data.
Is volatile suitable for compound actions?
💡 Hint: Consider what atomicity means.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does the volatile keyword ensure?
💡 Hint: Consider what happens when threads access shared data.
True or False: The volatile keyword can be used for compound operations.
💡 Hint: Think about what atomicity implies for multi-step operations.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
Write a code snippet where using volatile would prevent a visibility issue among threads, but later describe why it does not solve atomicity problems.
💡 Hint: Consider how threads check flags for continue or stop and what happens with counters.
Critique a scenario where a developer uses volatile incorrectly to manage a bank transaction status. What could go wrong?
💡 Hint: Think about what happens when multiple threads access and modify shared resources.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.