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This document contains a set of Java multithreading questions and answers.
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1. What is a deadlock?
2. How can you avoid deadlocks?
3. What is the advantage of using a condition variable over a semaphore?
4. What is the advantage of using threads?
5. What is the advantage of using a semaphore over a mutex?
6. What is the advantage of using a thread pool?
7. What is the advantage of using an optimistic concurrency control mechanism over a pessimistic concurrency control mechanism?
8. What is the difference between a semaphore and a mutex?
9. What is the difference between a thread and a process?
10. What is the difference between a blocking and a non-blocking I/O operation?
11. How can you avoid race conditions?
12. What is the advantage of using a lock over a synchronized block?
13. What is a thread pool?
14. What is the difference between a synchronized and an unsynchronized method?
15. What is a race condition?
16. What is the difference between a lock and a synchronized block?
17. What is the advantage of using non-blocking I/O operations?
18. What is the difference between a condition variable and a semaphore?
19. What is the difference between a pessimistic and an optimistic concurrency control mechanism?