單項(xiàng)選擇題

1. class A implements runable （
2. int i；
3. public void run （）（
4. try （
5. thread.sleep（5000）；
6. i= 10；
7. ） catch（InterruptedException e） {}
8. ）
9. ）
10.
11. public class Test {
12. public static void main （string args）（
13. try （
14. A a = new A （）；
15. Thread t = new Thread （a）；
16. t.start（）；
17.
18. int j= a.i；
19.
20. ） catch （Exception e） {}
21. ）
22. ）
Which statement al line 17 will ensure that j=10 at line 19？（）

A. a.wait（）；
B. t.wait（）；
C. t.join（）；
D. t.yield（）；
E. t.notify（）；
F. a.notify（）；
G. t.interrupt（）；

你可能感興趣的試題

Which two CANNOT directly cause a thread to stop executing？（）

A. Calling the yield method.
B. Calling the wait method on an object.
C. Calling the notify method on an object.
D. Calling the notifyAll method on an object.
E. Calling the start method on another Thread object.

單項(xiàng)選擇題

Which statement is true？（）

A. If only one thread is blocked in the wait method of an object， and another thread executes the modify on that same object， then the first thread immediately resumes execution.
B. If a thread is blocked in the wait method of an object， and another thread executes the notify method on the same object， it is still possible that the first thread might never resume execution.
C. If a thread is blocked in the wait method of an object， and another thread executes the notify method on the same object， then the first thread definitely resumes execution as a direct and sole consequence of the notify call.
D. If two threads are blocked in the wait method of one object， and another thread executes the notify method on the same object， then the first thread that executed the wait call first definitely resumes execution as a direct and sole consequence of the notify call.

你可能感興趣的試題

Which two CANNOT directly cause a thread to stop executing？ （）

Which statement is true？（）

Which two CANNOT directly cause a thread to stop executing？（）

Which statement is true？（）