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单选题

package foo;   import java.util.Vector;   private class MyVector extends Vector {  int i = 1;   public MyVector() {   i = 2;  }   }   public class MyNewVector extends MyVector {   public MyNewVector () {   i = 4;   }   public static void main (String args ) {    MyVector v = new MyNewVector();   }   }   The file MyNewVector.java is shown in the exhibit.  What is the result?()

发布日期:2021-11-23

package foo;   import java.util.Vector;   private ...
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.

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