SCJP Questions And Answers

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- 34 - 14. }
15. }
16. }.start();
17. new Thread() {
18. public void run() {
19. synchronized(s2) {
20. s2.append("C");
21. synchronized(s1) {
22. s1.append("D");
23. System.out.print(s2);
24. System.out.print(s1);
25. }
26. }
27. }
28. }.start();
29. }
30. }

Which two statements are true? (Choose Two)
A. The program prints "ABBCAD" B. The program prints "CDDACB" C. The program prints "ADCBADBC" D. The output is a non-deterministic point because of a possible deadlock condition. E. The output is dependent on the threading model of the system the program is running on.

Answer: D, B

QUESTION NO: 62
Which method in the Thread class is used to create and launch a new thread of execution?
A. Run();
B. Start();
B. Execute();
C. Run(Runnable r); D. Start(Runnable r); E. Execute(Thread t);

Answer: B