Practice What Is Thread Safety? (23.2.1) - Java Memory Model and Thread Safety

Practice: What is Thread Safety?

Lesson 23.2.1Java Memory Model and Thread Safety

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9 questions

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4 cards from this section. Quick, good the night before a test.
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6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is thread safety?
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Think about how many threads can access a resource.
Question 2.
Name one issue that can arise from non-thread-safe code.
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What happens when two threads interact incorrectly?
3Question 3.
What defines a thread-safe class?
- It runs faster than other classes.
- It can handle multiple threads without data corruption.
- It requires more memory.
- It is always synchronized.
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Think about what a thread-safe class aims to achieve.
4Question 4.
True or False: Race conditions can always occur in multi-threaded programs.
- True
- False
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Reflect on whether shared data exists.
Question 5.
You have a shared counter being accessed by multiple threads. Write a code snippet that demonstrates a race condition and discuss how it can be resolved.
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Consider how threads can interfere with each other when accessing the count variable.
Question 6.
Describe how you would implement a thread-safe singleton pattern. Provide sample code.
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Think about how you can limit instantiation in a multi-threaded environment.

5 more questions in this section. Enroll free to practise them all.