Tag: technology

What is the result of the following code? 1. public abstract class A { 2. private void doStuff() { 3. System.out.println("A"); 4. } 5. 6. public static void main(String [] args) { 7. A a = new B(); 8. a.doStuff(); 9. } 10. } 11. 12. class B extends A { 13. protected void doStuff() { 14. System.out.println("B"); 15. } 16. }

What is the result of the following code? 1. public abstract class Catchable { 2. protected abstract void catchAnObject(Object x); 3. 4. public static void main(String [] args) { 5. java.util.Date now = new java.util.Date(); 6. Catchable target = new MyStringCatcher(); 7. target.catchAnObject(now); 8. } 9. } 10. 11. class MyStringCatcher extends Catchable { 12. public void catchAnObject(Object x) { 13. System.out.println("Caught object"); 14. } 15. 16. public void catchAnObject(String s) { 17. System.out.println("Caught string"); 18. } 19. }