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？（） 

Class TestException  1. public class TestException exte...

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？（）

public class SomeException {  } Class a：  public class ...

单项选择题

public class SomeException { 
} Class a： 
public class a { 
public void doSomething（） { } 
} Class b： 
public class b extends a { 
public void doSomething（） throws SomeException { } 
} 
Which is true about the two classes？（） 

23.int z=5；  24.  25. public void stuff1（int x） {  26. ...

单项选择题

23.int z=5； 
24. 
25. public void stuff1（int x） { 
26. assert （x> 0）； 
27. switch（x） { 
28. case 2： x= 3； 
29. default： assert false； } } 
30. 
31. private void stuff2（int y） { assert （y < 0）； } 
32. 
33. private void stuff3（） { assert （stuff4O）； }
34. 
35. private boolean stuff4（） { z = 6； return false； } 
Which is true？（）