How to discard stopwords contained in class and do word count? (edited)

[umadas]

package umadas.examples;
import java.io.*;
import java.util.*;

class Counters
{
int iCount = 1;
}
public class Wordfreq 
{
               public static Reader r;

              private static String str="";
               public static void main(String args[]) 
            { 
                      try 
                      {
                     r = new BufferedReader(new FileReader(args[0]));


                     fnWordFrequency();
                     r.close();
                      } 
                    catch (IOException e) 
                     {
                    System.err.println(e);
                     }
                }




                    public static void fnWordFrequency()
                   {
                  HashMap map = new HashMap();
                     try 
                      {
                       StreamTokenizer st = new StreamTokenizer(r);



                       int iToken = st.nextToken();



                          while (iToken != StreamTokenizer.TT_EOF)
                          {
                          if (iToken == StreamTokenizer.TT_WORD) 
                               {
                                if (map.containsKey(st.sval))
                                  {
                                    ((Counters)map.get(st.sval)).iCount++;
                                  } 
                                else
                                 {
                                    map.put(st.sval, new Counters());
                                  }
                              }
                        iToken = st.nextToken();
                         }
                  } 
                 catch (IOException e)
                 {
                System.err.println(e);
                return;
                 }
                Collection entries = map.entrySet();


                Vector vTor = new Vector(entries);

                Iterator it = vTor.iterator();
                Map.Entry ent;
                String sWord;
                int iCounter;
                while(it.hasNext())
                {


                ent = (Map.Entry)it.next();

                sWord = ((String)ent.getKey());

                iCounter = ((Counters)ent.getValue()).iCount;
                str+=sWord+"\t"+iCounter+"\t";

                System.out.println(sWord + "\t" + iCounter);


                 }

           }
}

THIS PROGRAM TOKENIZES THE WORD,READ FROM A COMMAND LINE AND DISPLAYS THE FREQUENCY OF EACH WORD.EX PROGRAM 25.NOW I HAVE A CLASS CONTAINING STOPWORDS(A,AN) CONTAINED IN A HASHTABLE.I WANT TO READ THIS STOPWORD FILE AND DISCARD THOSE AND DISPLAY THE OUTPUT.PLEASE HELP