package arrayreader;
import java.io.*;
import javax.swing.*;
import java.util.*;
 
public class ArrayThing
{
  public static void main(String[] args)
  {
  JFileChooser chooser = new JFileChooser ("C:\\Documents and Settings");
  if(chooser.showOpenDialog (null)  == JFileChooser.APPROVE_OPTION)
  {
    File selectedFile = chooser.getSelectedFile();
    try
    {
      FileReader in = new FileReader (selectedFile);
      BufferedReader br = new BufferedReader (in);
 
      String line = br.readLine();
 
      ArrayList thing = new ArrayList();
 
      while (line != null)
      {
        StringTokenizer st = new StringTokenizer (line, "\t, ");
        while (st.hasMoreTokens())
        {
          String sToken = st.nextToken ();
          thing.add(sToken);
        }
 
        line = br.readLine();
      }
 
      br.close();
 
      System.out.println(selectedFile.getName());
 
      Collections.sort(thing);
 
      for (int i =0; i < thing.size(); i++)
      {
        System.out.println(thing.get(i));
      }
 
    }
    catch (FileNotFoundException e)
    {
      System.out.println("File not found!");
    }
    catch (IOException e)
    {
      System.out.println("Error reading file!");
    }
  }
  else
  {
    System.out.println("Please chose a file!");
  }
 
  System.exit(0);
  }
}

/*
*/
import java.io.*;
import java.text.*;
import java.util.*;
import java.util.regex.*;
import javax.swing.*;
 
public class DisplayWords{
 
    public static void main(String[] args){
        DisplayWords displayWords = new DisplayWords();
        File textFile = displayWords.getFile();
        String fileText = displayWords.readFile(textFile);
        Vector wordsInFile = displayWords.getWords(fileText);
        ListIterator iterator = wordsInFile.listIterator();
        while (iterator.hasNext()){
            String nextWord = (String)iterator.next();
            System.out.println(nextWord + " " + String.valueOf(displayWords.countOccurrences(fileText, nextWord)));
        }
        System.exit(0);
    }
    
    public File getFile(){
        File file = null;
        JFileChooser fileChooser = new JFileChooser(new File("."));
        if (fileChooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) file = fileChooser.getSelectedFile();
        return file;
    }
    
    public String readFile(File file){
        String text = "";
        try{
            FileReader fr = new FileReader(file);
            BufferedReader br = new BufferedReader(fr);
            String nextLine = "";
            while ((nextLine = br.readLine()) != null){
                text = text + nextLine;
            }            
        }catch(FileNotFoundException fnfe){
            System.err.println("FileNotFoundException: " + fnfe.getMessage());
        }catch(IOException ioe){
            System.err.println("IOException: " + ioe.getMessage());            
        }
        return text;
    }
    
    public Vector getWords(String s){
        Vector words = new Vector();
        StringTokenizer st = new StringTokenizer(s, " !\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~");
        while (st.hasMoreTokens()){
            String nextWord = st.nextToken();
              if ((hasNoPunctuation(nextWord)) && (!isInList(words, nextWord)) && (nextWord.trim().length() > 0)) words.add(nextWord);
        }
        return words;
    }   
 
    public boolean hasNoPunctuation(String s){
        return !Pattern.matches("\\p{Punct}",s);
    }
    
    public boolean isInList(Vector v, String s){
        return (v.contains(s.toLowerCase()) || v.contains(s.toUpperCase()));
    }
    
    public int countOccurrences(String text, String word){
        int count = 0;
        StringTokenizer st = new StringTokenizer(text, " !\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~");
        while (st.hasMoreTokens()){
            String nextWord = st.nextToken();
              if ((hasNoPunctuation(nextWord)) && (word.toLowerCase().compareTo(nextWord.toLowerCase()) == 0) && (nextWord.trim().length() > 0)) count++;
        }
        return count;
    }
}