QUESTION 59 Given: 11. //insert code here 12. private N min, max; 13. public N getMin() { return min; } 14. public N getMax() { return max; } 15. public void add(N added) { 16. if (min == null || added.doubleValue() max.doubleValue()) 19. max = added; 20. } 21. } Which two, inserted at line 11, will allow the code..
QUESTION 58 Given: import java.util.TreeSet; public class Explorer2 { public static void main(String[] args) { TreeSet s = new TreeSet(); TreeSet subs = new TreeSet(); for(int i = 606; i < 613; i++) if(i%2 == 0) s.add(i); subs = (TreeSet)s.subSet(608, true, 611, true); s.add(629); System.out.println(s + " " + subs); } } What is the result? A. Compilation fails. B. An exception is thrown at runti..
QUESTION 57 Given: class Foo { public int a = 3; public void addFive() { a += 5; System.out.print("f "); } }class Bar extends Foo { public int a = 8; public void addFive() { this.a += 5; System.out.print("b " ); } } Invoked with: Foo f = new Bar(); f.addFive(); System.out.println(f.a); What is the result? A. b 3 B. b 8 C. b 13 D. f 3 E. f 8 F. f 13 G. Compilation fails. H. An exception is thrown..
QUESTION 56 Which two classes correctly implement both the java.lang.Runnable and the java.lang. Cloneable interfaces? (Choose two.) A. public class Session implements Runnable, Cloneable { public void run(); public Object clone(); } B. public class Session extends Runnable, Cloneable { public void run() { /* do something */ } public Object clone() { /* make a copy */ } } C. public class Session..
QUESTION 55 Given: 6. public class Threads2 implements Runnable { 7. 8. public void run() { 9. System.out.println("run."); 10. throw new RuntimeException("Problem"); 11. } 12. public static void main(String[] args) { 13. Thread t = new Thread(new Threads2()); 14. t.start(); 15. System.out.println("End of method."); 16. } 17. } Which two can be results? (Choose two.) A. java.lang.RuntimeException..
QUESTION 54 Given: 10. public class SuperCalc { 11. protected static int multiply(int a, int b) { return a * b;} 12. } and: 20. public class SubCalc extends SuperCalc{ 21. public static int multiply(int a, int b) { 22. int c = super.multiply(a, b); 23. return c; 24. } 25. } and: 30. SubCalc sc = new SubCalc (); 31. System.out.println(sc.multiply(3,4)); 32. System.out.println(SubCalc.multiply(2,2..