310-056 Sun - Braindumps.com.ua: question list for "Sun Certified Programmer for J2SE 5.0 Upgrade Exam", page: 6

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Sun 310-056: Sun Certified Programmer for J2SE 5.0 Upgrade Exam

#51. Given:

 35. int x= 10; 
 36. do { 
 37. x--; 
 38. } while (x< 10);

How many times will line 37 be executed?

#52. Given:

 1. public class Boxer1{ 
 2. lnteger i; 
 3. int x; 
 4. public Boxer1(int y) 
 5. x = i+y; 
 6. System.out.println(x); 
 7. } 
 8. public static void main(String[] args){ 
 9. new Boxer1 (new lnteger(4)); 
 10. } 
 11. }

What is the result?

#53. Given:

 11. public class Test { 
 12. public static void main(String [] args) { 
 13. int x = 5; 
 14. boolean b1 =true; 
 15. boolean b2 false; 
 16. 
 17. if((x= =4) && !b2) 
 18. System.out.print(”1“); 
 19. System.out.print(“2“); 
 20. if ((b2 = true) && b1 ) 
 21. System.out.print(”3 “); 
 22. } 
 23. }

What is the result?

#54. Given a class Repetition:

 1. package utils; 
 2. 
 3. public class Repetition 
 4. public static String twice(String s) { return s + s;} 
 5. }

and given another class Demo:

 1. //insert code here 
 2. 
 3. public class Demo { 
 4. public static void main(String[] args) { 
 5. System.out.println(twice(“pizza”)); 
 6. } 
 7. }

Which code should be inserted at line 1 of Demo.java to compile and run Demo to print “pizzapizza”?

#55. Given classes defined in two different files:

 1. package packageA; 
 2. public class Message { 
 3. String getText() { return “text”; } 
 4. }

and;

 1. package packageB; 
 2. public class XMLMessage extends packageA.Message { 
 3. String getText() { return “<msg>text</msg>”;} 
 4. public static void main(String[] args) { 
 5. System.out.println(new XMLMessage().getText()); 
 6. } 
 7. }

What is the result of executing XMLMessage.main?

#56. A developer is creating a class Book, that needs to access class Paper. The Paper class is deployed in a JAR named myLib jar.
Which three, taken independently, will allow the developer to use the Paper class while compiling the Book class? (Choose three.)

#57. Click the Exhibit button.

Given the fully-qualified class names:
com .foo .bar.Dog
com.foo.bar.bla.Book
com .bar,Car
com .bar.blatz.Sun
Which graph represents the correct directory structure for a JAR file from which those classes can be used by the compiler and JVM?

#58. Given:

 1. public class Score implements Comparablec<Score> { 
 2. private int wins, losses; 
 3. public Score(int w, int I) { wins = w; losses = I; } 
 4. public int getWins() { return wins; } 
 5. public int getLosses() { return losses; } 
 6. public String toString() { 
 7. return “<“ + wins + “,“ + losses +“>“; 
 6. } 
 9. //insert code here 
 10.}

Which method will complete this class?

#59. Given:

 11. public static void append(List list) { list.add(”0042”); } 
 12. public static void main(String[] args) 
 13 List<Integer> intList = new ArrayList<lnteger>(); 
 14. append(intList); 
 15. System.out.println(intList.get(0)); 
 16. }

What is the result?

#60. Given:

 int[] myArray = new int[] {1, 2, 3, 4, 5};

What allows you to create a list from this array?

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Sun 310-056

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