Java APIs

I have a java program which is accessing a class file in a package .

import java.io.*;
import java.util.*;
import test.CSVReader;


public class rule_driver {
...
}



Now CSVreader is some thing like this.

package test;
import java.io.BufferedReader;
import java.io.Closeable;
import java.io.IOException;
import java.io.Reader;
import java.util.ArrayList;
import java.util.List;
public class CSVReader {

.....
}

I have surely included all the packages into classpath.And it was working also.


I had upgraded to jdk_6_18.and new jre...

But now it does not work. would some setting have got changed??