310-025 Sun - Braindumps.com.ua: question list for "Sun Certified Java Programmer", page: 6

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Sun 310-025: Sun Certified Java Programmer

#51. Given:

 1. public class Foo implements Runnable ( 
 2. public void run (Thread t) { 
 3. system.out.printIn(“Running.”); 
 4. } 
 5. public static void main (String[] args) { 
 6. new thread (new Foo()).start(); 
 7. ) 
 8.)

What is the result?

#52. Which statement is true?

#53. Which two CANNOT directly cause a thread to stop executing? (Choose Two)

#54. Which two can be used to create a new Thread? (Choose Two)

#55. Given:

 1. public class SyncTest ( 
 2. private int x; 
 3. private int y; 
 4. private synchronized void setX (int i) (x=1;) 
 5. private synchronized void setY (int i) (y=1;) 
 6. public void setXY(int 1)(set X(i); setY(i);) 
 7. public synchronized Boolean check() (return x !=y;) 
 8. )

Under which conditions will check ()return true when called from a different class?

#56. Exhibit:

 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?

#57. Exhibit:

 1. public class X implements Runnable ( 
 2. private int x; 
 3. private int y; 
 4. 
 5. public static void main(String [] args) ( 
 6. X that = new X(); 
 7. (new Thread(that)) . start( ); 
 8. (new Thread(that)) . start( ); 
 9. ) 
 10. 
 11. public synchronized void run( ) ( 
 12. for (;;) ( 
 13. x++; 
 14. y++; 
 15. System.out.printIn(“x = “ + x + “, y = “ + y); 
 16. ) 
 17. ) 
 18. )

What is the result?

#58. Which two CANNOT directly cause a thread to stop executing? (Choose Two)

#59. Exhibit:

 1. class A { 
 2. public byte getNumber () { 
 3. return 1; 
 4. } 
 5. } 
 6. 
 7. class B extends A { 
 8. public short getNumber() { 
 9. return 2; 
 10. } 
 11. 
 12. public static void main (String args[]) { 
 13. B b = new B (); 
 14. System.out.printIn(b.getNumber()) 
 15. } 
 16. }

What is the result?

#60. Given:
AnInterface is an interface.
AnAdapter0 is a non-abstract,non-final class with a zero argument constructor.
AnAdapter1 is a non-abstract,non-final class without a zero argument constructor,but with a constructor that takes one int argument.
Which two construct an anonymous inner class? (Choose Two)

[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] ... [16]

gen. 0.368

Server date 06:31 10-01-2009

Sun 310-025

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