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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the Java Memory Model specify?
💡 Hint: Think of thread interactions and shared variables.
Question 2
Easy
Define visibility in the context of the JMM.
💡 Hint: Focus on the importance of thread changes.
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 Java Memory Model define?
- Access to local variables
- How threads interact through shared variables
- Thread scheduling
💡 Hint: Think about the purpose of the JMM.
Question 2
True or False: Changes made by one thread are always visible to other threads immediately.
- True
- False
💡 Hint: Consider how memory visibility is structured in concurrent programming.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a small Java program that demonstrates a race condition when two threads attempt to increment a shared counter. Explain how you would fix it.
💡 Hint: Look for critical sections where shared state is modified.
Question 2
Describe a situation where using a volatile variable is necessary. Provide an example.
💡 Hint: Think of flags used for signaling between threads.
Challenge and get performance evaluation