310-035 Sun - Braindumps.com.ua: question list for "Sun Certified Programmer for Java 2 Platform 1.4", page: 11

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

#101. Given:

 11. public static void main( String[] args ) { 
 12. Integer a = new Integer(10); 
 13. Integer b = new Integer(10); 
 14. Integer c = a; 
 15. int d = 10; 
 16. double e = 10.0; 
 17. }

Which three evaluate to true? (Choose three)

#102. Given:

 11. String a = null; 
 12. a.concat(“abc”); 
 13. a.concat(“def”); 
 14. System.out.println(a);

What is the result?

#103. Given that b and c refer to instances of wrapper classes, which two statements are true? (Choose two)

#104. Given:

 1. public class Test { 
 2. public static void main(String [] args) { 
 3. System.out.println(args.length > 4 && 
 4. args[4].equals(“-d”)); 
 5. } 
 6. }

If the program is invoked using the command line:
java Test One Two Three –d
What is the result?

#105. Given:

 11. try { 
 12. if ((new Object))(.equals((new Object()))) { 
 13. System.out.println(“equal”); 
 14. )else{ 
 15. System.out.println(“not equal”); 
 16. } 
 17. }catch (Exception e) { 
 18. System.out.println(“exception”); 
 19. }

What is the result?

#106. Which three demonstrate an “is a” relationship? (Choose three)

#107. Given:

 1. class BaseClass { 
 2. private float x = 1.of; 
 3. protected float getVar() { return x; } 
 4. } 
 5. class SubClass extends BaseClass { 
 6. private float x = 2.Of; 
 7. // insert code here 
 8. }

Which two are valid examples of method overriding when inserted at line 7? (Choose two)

#108. Given:

 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.println(b.getNumber()); 
 15. } 
 16. }

What is the result?

#109. Which two are benefits of fully encapsulating a class? (Choose two)

#110. Given:

 1. class A { 
 2. public A() { 
 3. System.out.println(“hello from a”); 
 4. } 
 5. } 
 6. class B extends A { 
 7. public B () { 
 8. System.out.println(“hello from b”); 
 9. super(); 
 10 } 
 11. } 
 12. public class Test { 
 13. public static void main(String args[]) { 
 14. A a = new B(); 
 15. } 
 16. }

What is the result when main is executed?

[1] ... [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] ... [29]

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Server date 05:27 10-01-2009

Sun 310-035

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