310-019 Sun - Braindumps.com.ua: question list for "Sun Certified Associate for the Java Platform, Standard Edition", page: 11

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Sun 310-019: Sun Certified Associate for the Java Platform, Standard Edition

#101. Given:

 1. class Test { 
 2. public static void main(String args[]) { 
 3. int num1 = 10, num2 = 20, result; 
 4. result = calc(num1, num2); 
 5. System.out.println(result); 
 6. } 
 7. 
 8. // insert code here 
 9. }

Which, inserted at line 8, produces the output 30?

#102. Given:

 1. public class Foo { 
 2. int size; 
 3. public static void main(String[] args) { 
 4. Foo f = new Foo(); 
 5. f.setSize(5); 
 6. Foo g = f.go(f); 
 7. System.out.print(f.size + " : " + g.size); 
 8. } 
 9. void setSize(int s) { 
 10. size = s; 
 11. } 
 12. public Foo go(Foo g) { 
 13. g.setSize(2); 
 14. return g; 
 15. } 
 16. }

What is the result?

#103. Given:

 1. public class Bar { 
 2. int size; 
 3. public static void main(String[] args) { 
 4. Bar b = new Bar(); 
 5. b.size = 27; 
 6. int i = b.go(b.size); 
 7. System.out.print(b.size + " : " + i); 
 8. } 
 9. public int go(int size) { 
 10. size++; 
 11. return size; 
 12. } 
 13. }

What is the result?

#104. Given:

 1. class Test2 { 
 2. static String setMessage(String str) { 
 3. return str + "How are you doing?"; 
 4. } 
 5. 
 6. public static void main(String[] args) { 
 7. String str = "Hello! "; 
 8. str = setMessage(str); 
 9. System.out.println("str : " + str); 
 10. } 
 11. }

What is the result?

#105. Given:

 4. int n1 = 22, n2 = 67, n3 = 0, n4 = 47, n5 = 17, n6 = 50; 
 5. boolean b = true;

Which three evaluate to true? (Choose three.)

#106. Given:

 1. class Test { 
 2. public static void main(String[] args) { 
 3. int num = 1; 
 4. for (num = 0; num < 3; ++num ) { 
 5. num *= 2; 
 6. } 
 7. System.out.println("num = " + (num++)); 
 8. } 
 9. }

What is the result?

#107. Given:

 14. class Dog { 
 15. String name; 
 16. public static void main(String [] args) { 
 17. Dog d1 = new Dog(); 
 18. Dog d2 = new Dog(); 
 19. d1.name = "Aiko"; 
 20. d2.name = "Aiko"; 
 21. if (d1 == d2) System.out.print("== "); 
 22. if (d1.equals(d2)) System.out.println("dot ="); 
 23. } 
 24. }

What is the result?

#108. Given:

 1. class Test { 
 2. public static void main(String args[]) { 
 3. String str = new String("Welcome"); 
 4. // insert code here 
 5. } 
 6. }

Which, inserted at line 4, produces the output true?

#109. Given:

 12. String s = "abcdefgabc"; 
 13. char c = s.charAt(2); 
 14. 
 15. if (c == 'c') 
 16. s = s.replace('c', 'X'); 
 17. else if (c == 'b') 
 18. s = s.replace('b', 'O'); 
 19. else 
 20. s = s.replace('c', 'O'); 
 21. System.out.println(s);

What is the result?

#110. Given:

 1. class Test { 
 2. public static void main(String[] args) { 
 3. String str = "Hello"; 
 4. str = str.replace("Bye"); 
 5. System.out.println("str : " + str); 
 6. } 
 7. }

What is the result?

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gen. 0.428

Server date 06:45 10-01-2009

Sun 310-019

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