Keystroke Biometric: Java Applet

import javax.swing.*;
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
//import java.security.*;
//import java.rmi.*;

public class KeySpeed16_Applet extends Applet
 implements ActionListener
{
   private int APPLET_WIDTH = 700;
   private int APPLET_HEIGHT = 420;

   private KeySpeed16 keySpeed;

   public void init()
   {
      java.net.URL url = this.getDocumentBase();
      String query = url.getQuery();

      //query = "Hug&Hort&Fable&1&kb&pc";    //test purposes

      try {
          String[] user = query.split("&");
          keySpeed = new KeySpeed16(user[0].toUpperCase(), user[1].toUpperCase(),
                      user[2].toUpperCase(), user[3].toUpperCase(),
                      user[4].toUpperCase());
          add (keySpeed);
          setSize (APPLET_WIDTH, APPLET_HEIGHT);
      }
      catch (Exception e) {

      }
   }

   public void actionPerformed (ActionEvent event)
   {
      //System.setSecurityManager(new RMISecurityManager());
   }

}