import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.border.*;
import javax.accessibility.*;

import java.awt.*;
import java.awt.event.*;
import java.util.*;


class JListData extends AbstractListModel
{
   private Vector data;
   public JListData()
   {
      data = new Vector();
   }
   public int getSize()
   {
      return data.size();
   }
   public Object getElementAt(int index)
   {
      return data.elementAt(index);
   }
   public void addElement(String s)
   {
      data.addElement(s);
      fireIntervalAdded(this, data.size()-1, data.size());
   }
}