7.11.Questions |
| 7.11.1. | The notify() method is defined in class java.lang.Thread(True/False) | | |
| 7.11.2. | Answer: notify | | |
| 7.11.3. | When a thread is waiting as a result of wait(), it releases its lock(True/False) | | |
| 7.11.4. | Answer: wait() and lock | | |
| 7.11.5. | The notify() method causes a thread to immediately release its lock(True/False) | | |
| 7.11.6. | Answer: notify and lock(2) | | |
| 7.11.7. | notifyAll() notifies all waiting threads, regardless of the object they're waiting on(True/False) | | |
| 7.11.8. | Answer: notifyAll and waiting threads | | |
| 7.11.9. | What is the result of this code(wait and time)? | | |
| 7.11.10. | Answer: wait and time | | |
| 7.11.11. | What is the result(extends Thread)? | | |
| 7.11.12. | Answer: extends Thread | | |
| 7.11.13. | What is the output(two threads)? | | |
| 7.11.14. | Answer: two threads | | |
| 7.11.15. | What is the output(joining thread)? | | |
| 7.11.16. | Answer: joining thread | | |
| 7.11.17. | What is the output(synchronized block and thread)? | | |
| 7.11.18. | Answer: synchronized block and thread | | |
| 7.11.19. | The following code will start the garbage collection mechanism(True/False)? | | |
| 7.11.20. | Answer: System.gc() and garbage collection | | |
| 7.11.21. | Calling Runtime.getRuntime().gc() will probably start the garbage collection mechanism, but there is no guarantee(True/False)? | | |
| 7.11.22. | Answer: Runtime.getRuntime().gc() and garbage collection | | |
| 7.11.23. | The garbage collection Thread has a low priority(True/False)? | | |
| 7.11.24. | Answer: garbage collection and thread | | |
| 7.11.25. | Which method must appear in the class to satisfy the Runnable interface requirements. | | |
| 7.11.26. | Answer: Runnable interface | | |
| 7.11.27. | Which statements are correct after executing the following line: | | |
| 7.11.28. | Answer: thread state | | |
| 7.11.29. | What could be put to XXX to prevent Thread collisions? | | |
| 7.11.30. | Answers: synchronized and synchronizable | | |