Practice Main Goals Of Jmm (20.1.2) - Java Memory Model and Thread Safety

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9 questions

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6 sample questions

Question 1.
What does volatile do in Java?
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Think about shared data visibility.
Question 2.
Why is consistency important in concurrent programming?
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Consider the implications of multiple threads reading data.
3Question 3.
What is the main goal of the Java Memory Model?
- Make Java slower
- Ensure thread safety
- Increase complexity
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Consider what JMM stands for.
4Question 4.
True or False: Synchronization can prevent race conditions.
- True
- False
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Think about what race conditions lead to.
Question 5.
Design a multi-threaded program that manages a shared counter variable. Explain how you would use synchronization.
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Consider how to aggregate updates from different threads.
Question 6.
Explain a scenario where using volatile is more efficient than synchronized. What are the potential pitfalls?
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Reflect on the necessary conditions for using volatile.

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