Tag: technology

Given: 84. try { 85. ResourceConnection con = resourceFactory.getConnection(); 86. Results r = con.query("GET INFO FROM CUSTOMER"); 87. info = r.getData(); 88. con.close(); 89. } catch (ResourceException re) { 90. errorLog.write(re.getMessage()); 91. } 92. return info; Which statement is true if a ResourceException is thrown on line 86?

Given: 31. // some code here 32. try { 33. // some code here 34. } catch (SomeException se) { 35. // some code here 36. } finally { 37. // some code here 38. } Under which three circumstances will the code on line 37 be executed? (Choose three.)

Given: 11. class A { 12. public void process() { System.out.print("A,"); } 13. class B extends A { 14. public void process() throws IOException { 15. super.process(); 16. System.out.print("B,"); 17. throw new IOException(); 18. } 19. public static void main(String[] args) { 20. try { new B().process(); } 21. catch (IOException e) { System.out.println("Exception"); }} What is the result?

Given a method that must ensure that its parameter is not null: 11. public void someMethod(Object value) { 12. // check for null value ... 20. System.out.println(value.getClass()); 21. } What, inserted at line 12, is the appropriate way to handle a null value?

Given: 11. static void test() throws Error { 12. if (true) throw new AssertionError(); 13. System.out.print("test "); 14. } 15. public static void main(String[] args) { 16. try { test(); } 17. catch (Exception ex) { System.out.print("exception "); } 18. System.out.print("end "); 19. } What is the result?

Given: 11. Float pi = new Float(3.14f); 12. if (pi > 3) { 13. System.out.print("pi is bigger than 3. "); 14. } 15. else { 16. System.out.print("pi is not bigger than 3. "); 17. } 18. finally { 19. System.out.println("Have a nice day."); 20. } What is the result?

Given: 11. String test = "This is a test"; 12. String[] tokens = test.split("\s"); 13. System.out.println(tokens.length); What is the result?

Given: 11. public class Yikes { 12. 13. public static void go(Long n) {System.out.println("Long ");} 14. public static void go(Short n) {System.out.println("Short ");} 15. public static void go(int n) {System.out.println("int ");} 16. public static void main(String [] args) { 17. short y = 6; 18. long z = 7; 19. go(y); 20. go(z); 21. } 22. } What is the result?

Given: 12. System.out.format("Pi is approximately %d.", Math.PI); What is the result?

Given: 12. NumberFormat nf = NumberFormat.getInstance(); 13. nf.setMaximumFractionDigits(4); 14. nf.setMinimumFractionDigits(2); 15. String a = nf.format(3.1415926); 16. String b = nf.format(2); Which two statements are true about the result if the default locale is Locale.US? (Choose two.)