Practice When To Use Volatile? (23.5.2) - Java Memory Model and Thread Safety

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9 questions

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6 sample questions

Question 1.
What does the volatile keyword ensure?
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Think about how multiple threads see changes.
Question 2.
Is using volatile suitable for incrementing a counter?
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Consider what happens during check-then-act operations.
3Question 3.
What is the primary purpose of the volatile keyword?
- Ensure atomicity
- Ensure visibility
- Display output
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Think about how threads interact with variables.
4Question 4.
Can volatile variables be used safely for compound operations like count++?
- True
- False
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Remember what makes an operation atomic.
Question 5.
Create a Java program that demonstrates the use of volatile for a simple flag to control thread execution.
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Think about how threads can check the running state.
Question 6.
Discuss a situation where using volatile would lead to a race condition, providing an example.
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Reflect on the nature of shared resources.

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