单选题1. package foo;  2.    3. import java.util.Vector;  4.    5. private class MyVector extends Vector {  6. int i = 1;  7. public MyVector()  {  8. i = 2;  9.    }  10. }  11.    12. public class MyNewVector extends MyVector {  13. public MyNewVector ()  {  14. i = 4;  15. }  16. public static void main (String args [])  {  17. MyVector v = new MyNewVector();  18.   }  19. }     The file MyNewVector.java is shown in the exhibit.  What is the result?()A Compilation will succeed.B Compilation will fail at line 5.C Compilation will fail at line 6.D Compilation will fail at line 14.E Compilation will fail at line 17.

单选题
1. package foo;  2.    3. import java.util.Vector;  4.    5. private class MyVector extends Vector {  6. int i = 1;  7. public MyVector()  {  8. i = 2;  9.    }  10. }  11.    12. public class MyNewVector extends MyVector {  13. public MyNewVector ()  {  14. i = 4;  15. }  16. public static void main (String args [])  {  17. MyVector v = new MyNewVector();  18.   }  19. }     The file MyNewVector.java is shown in the exhibit.  What is the result?()
A

 Compilation will succeed.

B

 Compilation will fail at line 5.

C

 Compilation will fail at line 6.

D

 Compilation will fail at line 14.

E

 Compilation will fail at line 17.


参考解析

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