310-035 Sun - Braindumps.com.ua: question list for "Sun Certified Programmer for Java 2 Platform 1.4", page: 1

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Sun 310-035: Sun Certified Programmer for Java 2 Platform 1.4

#1. Given:

 1. public class Test { 
 2. public static void main(String args[]) { 
 3. class Foo { 
 4. public int i = 3; 
 5. } 
 6. Object o = (Object)new Foo(); 
 7. Foo foo = (Foo)o; 
 8. System.out.println(“i = “ + foo.i); 
 9. } 
 10. }

What is the result?

#2. Which two cause a compiler error? (Choose two)

#3. Given:

 11. int i =1,j =10; 
 12. do { 
 13. if(i++> --j) { 
 14. continue; 
 15. } 
 16. } while (i <5); 
 17. System.out.println(“i = “ +i+ “and j = “+j);

What is the result?

#4. Given:

 1. class Test { 
 2. private Demo d; 
 3. void start() { 
 4. d = new Demo(); 
 5. this.takeDemo(d); 
 6. } 
 7. 
 8. void takeDemo(Demo demo) { 
 9. demo = null; 
 10. demo = new Demo(); 
 11. } 
 12. }

When is the Demo object, created on line 3, eligible for garbage collection?

#5. Given:

 1. interface Animal { 
 2. void soundOff(); 
 3. } 
 4. 
 5. class Elephant implements Animal { 
 6. public void soundOff() { 
 7. System.out.println(“Trumpet”); 
 8. } 
 9. } 
 10. 
 11. class Lion implements Animal { 
 12. public void soundOff() { 
 13. System.out.println(“Roar”); 
 14. } 
 15. } 
 16. 
 17. class Alpha1 { 
 18. static Animal get( String choice ) { 
 19. if ( choice.equalsIgnoreCase( “meat eater” )) { 
 20. return new Lion(); 
 21. } else { 
 22. return new Elephant(); 
 23. } 
 24. } 
 25. }

Which compiles?

#6. Which statement is true?

#7. Given:

 1. class A { 
 2. A() { } 
 3. } 
 4. 
 5. class B extends A { 
 6. }

Which two statements are true? (Choose two)

#8. Given:

 11. int i = 1,j = 10; 
 12. do { 
 13. if(i>j) { 
 14. break; 
 15. } 
 16. j--; 
 17. } while (++i <5); 
 18. System.out.println(“i =” +i+” and j = “+j);

What is the result?

#9. Which statement is true?

#10. You want a class to have access to members of another class in the same package. Which is the most restrictive access that accomplishes this objective?

[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] ... [29]

gen. 0.203

Server date 05:39 02-12-2008

Sun 310-035

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