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？（）  

class super { 
public int getLength（）  {return 4；} 
} 
public class Sub extends Super { 
public long getLength（） {return 5；} 
public static void main （String[]args）  { 
super sooper = new Super （）； 
Sub sub = new Sub（）； 
System.out.printIn（ 
sooper.getLength（）+ “，” + sub.getLength（）   }； 
} 
What is the output？（）