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  • INTERVIEW QUESTIONS CERTIFICATIONS SUN CERTIFIED JAVA DEVELOPER DETAILS
    Question :
    Given:
    11. class PingPong2 {
    12. synchronized void hit(long n) {
    13. for(int i = 1; i < 3; i++)
    14. System.out.print(n + "-" + i + " ");
    15. }
    16. }
    17. public class Tester implements Runnable {
    18. static PingPong2 pp2 = new PingPong2();
    19. public static void main(String[] args) {
    20. new Thread(new Tester()).start();
    21. new Thread(new Tester()).start();
    22. }
    23. public void run() { pp2.hit(Thread.currentThread().getId()); }
    24. }
    Which statement is true?
    A. The output could be 5-1 6-1 6-2 5-2
    B. The output could be 6-1 6-2 5-1 5-2
    C. The output could be 6-1 5-2 6-2 5-1
    D. The output could be 6-1 6-2 5-1 7-1


    Category Sun Certified Java Developer Interview Questions
    Rating (0.5) By 301 users
    Added on 7/20/2010
    Views 1470
    Rate it!
    Answers:

    B:The output could be 6-1 6-2 5-1 5-2



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    Related Questions
    View Answer
    QUESTION 3
    Given:
    7. void waitForSignal() {
    8. Object obj = new Object();
    9. synchronized (Thread.currentThread()) {
    10. obj.wait();
    11. obj.notify();
    12. }
    13. }
    Which statement is true?
    A. This code can throw an InterruptedException.
    B. This code can throw an IllegalMonitorStateException.
    C. This code can throw a TimeoutException after ten minutes.
    D. Reversing the order of obj.wait() and obj.notify() might cause this method to complete normally.
    E. A call to notify() or notifyAll() from another thread might cause this method to complete normally.
    F. This code does NOT compile unless "obj.wait()" is replaced with "((Thread) obj).wait()".

    View Answer
    Which two statements are true? (Choose two.)
    A. It is possible for more than two threads to deadlock at once.
    B. The JVM implementation guarantees that multiple threads cannot enter into a deadlocked state.
    C. Deadlocked threads release once their sleep() method's sleep duration has expired.
    D. Deadlocking can occur only when the wait(), notify(), and notifyAll() methods are used incorrectly.
    E. It is possible for a single-threaded application to deadlock if synchronized blocks are used incorrectly.
    F. If a piece of code is capable of deadlocking, you cannot eliminate the possibility of deadlocking by inserting
    invocations of Thread.yield().

    View Answer
    Given:
    1. public class Threads2 implements Runnable {
    2.
    3. public void run() {
    4. System.out.println("run.");
    5. throw new RuntimeException("Problem");
    6. }
    7. public static void main(String[] args) {
    8. Thread t = new Thread(new Threads2());
    9. t.start();
    10. System.out.println("End of method.");
    11. }
    12. }
    Which two can be results? (Choose two.)
    A. java.lang.RuntimeException: Problem
    B. run.
    java.lang.RuntimeException: Problem
    C. End of method.
    java.lang.RuntimeException: Problem
    D. End of method.
    run.
    java.lang.RuntimeException: Problem
    E. run.
    java.lang.RuntimeException: Problem
    End of method.

    View Answer
    how to include the input of the output file in java script?
    View Answer
    What is the result of mounting a file system with thenoatimeoption enabled?
    A.It enables the UFS logging
    B.It disables the update of file access times
    C.It prevents the creation of files larger than 2Gbytes
    D.It prevents the user from updating the file modification times
    View Answer
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