310-019 Sun - Braindumps.com.ua: question list for "Sun Certified Associate for the Java Platform, Standard Edition", page: 10

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

#91. Given:

 3. int num = 0, count; 
 4. while ( num < 3 ) { 
 5. num++; 
 6. // insert code here 
 7. System.out.println("num = " + num + " : count = " + count); 
 8. } 
 9. }

Which, inserted at line 6, produces the following output?

 num = 1 : count = 1 
 num = 1 : count = 2 
 num = 2 : count = 1 
 num = 2 : count = 2 
 num = 3 : count = 1 
 num = 3 : count = 2

#92. Given:

 1. class Test { 
 2. public static void main(String args[]) { 
 3. String str = "Hello!"; 
 4. String str2 = "Bye!"; 
 5. str += str2; 
 6. str -= str2; 
 7. 
 8. if ( str == str2 ) { 
 9. System.out.println("str = str2"); 
 10. } else { 
 11. System.out.println("str != str2"); 
 12. } 
 13. } 
 14. }

What is the result?

#93. Given:

 1. class Test { 
 2. public static void main(String args[]) { 
 3. int num; 
 4. num = 10; 
 5. calc(num); 
 6. System.out.println("num = " + num); 
 7. } 
 8. 
 9. static void calc(int num) { 
 10. num += 100; 
 11. } 
 12. }

What is the result?

#94. Given:

 4. class Example { 
 5. int x = 50; 
 6. int y = 100; 
 7. public static void main(String args[]) { 
 8. int x = 0, y = 10; 
 9. Example ex = new Example(); 
 10. while (x < 3) { 
 11. x++; y--;  
 12. } 
 13. System.out.println("x = " + x + " , y = " + y); 
 14. } 
 15. }

What is the result?

#95. You need to create a class Foo that will record the number of times the go() method is invoked on a particular instance of the class.
Which solution correctly implements this goal?

#96. You need to create a class that maintains a customer's account balance. The class must allow both credits (deposits) and debits (withdrawals) to the account. Which class correctly implements this functionality?

#97. You need an algorithm that must:
• Iterate through an array of primitive integers
• Print the value of each array element in index order
• If the value of the element is equal to 10, print the value of the element, and then terminate the iteration Which method correctly implements the algorithm?

#98. Given:

 2. class Test { 
 3. public static void main(String args[]) { 
 4. for (int i = 1; i < 5; i++) { 
 5. if (i == 2) { 
 6. continue; 
 7. } 
 8. System.out.print(" i = " + i); 
 9. } 
 10. } 
 11. }

What is the result?

#99. You need an algorithm that must:
· Print the characters of a String, in index order
· Skip all instances of the character 'a' that appear in the String
Given:

 2. public void foo (String s) { 
 3. // insert code here 
 4. }

Which two, inserted independently at line 3, correctly implement the algorithm? (Choose two.)

#100. Given:

 1. class Test { 
 2. public static void main(String args[]) { 
 3. int i = 1; 
 4. while (i-- > 1) { 
 5. System.out.println("i : " + i); 
 6. } 
 7. } 
 8. }

What is the result?

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gen. 0.255

Server date 05:57 10-01-2009

Sun 310-019

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