相关考题

单项选择题 11.classa {  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?()

单项选择题 33. try {  34. // some code here  35. } catch (NullPointerException e1) {  36. System.out.print(”a”);  37. } catch (RuntimeException e2) {  38. System.out.print(”b”);  39. } finally {  40. System.out.print(”c”);  41. }  What is the result if a NullPointerException occurs on line 34?()

多项选择题 Class TestException  1. public class TestException extends Exception {  2. } Class a:  1. public class a {  2.  3. public String sayHello(String name) throws TestException {  4.  5. if(name == null) {  6. throw new TestException();  7. }  8.  9. return “Hello “+ name;  10. }  11.  12. }  A programmer wants to use this code in an application: 45. A a=new A();  46. System.out.println(a.sayHello(”John”));  Which two are true?()