20.2 - Key Concepts in the JMM
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 it mean when a variable is declared volatile?
💡 Hint: Think about visibility and shared access.
Are simple read and write operations atomic in Java?
💡 Hint: Focus on basic data types.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the effect of declaring a variable as volatile?
💡 Hint: Think about how visibility operates with volatile variables.
True or False: Atomic operations can be interrupted.
💡 Hint: Consider what makes operations atomic.
3 more questions available
Challenge Problems
Push your limits with advanced challenges
Implement a scenario using Java threading where race conditions could occur. Describe how you would mitigate the race condition.
💡 Hint: Think about areas where shared data might be changed by multiple threads.
Analyze the following Java code snippet:
public class Counter {
private int count = 0;
public void increment() {
count++;
}
}
What are the potential issues, and how would you resolve them?
💡 Hint: Consider solutions that enforce mutual exclusion.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.