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# How to subtract two Vector (of string arrays) ? : JAVA

Posted on 2005-03-19

Hi,

I will have two JDBC query and I want to store the results in two Vectors.

The two vectors will have some common elements.

I would like to subtract once vector from the other.

Here is the code snippet:

>>I will have a Vector that holds all the classes taken by a student,

and I will have another Vector that holds all the classes that are required.

I want to find out the required classes that are not taken by the student.

Thus I will need to subtract one vector from the other.

Assuming Vector A holds all the required classes taken by the student,

and Vector B holds all the required classes for the student.

How do I subtract Vector A from Vector B.

BOTH MY VECTORS HOLD ARRAYS OF STRINGS.

Please advise.

Thanks

_Esam