import java.awt.*;
import java.applet.*;

public class Lista extends Applet
{
 List l;
 
 public void init()
 {
  add (l = new List());
  l.addItem("Count Lines");
  l.addItem("Set Multiple Choice");
  l.addItem("Add Line");
  l.addItem("Remove Line");
 }

 public boolean action(Event evt, Object arg)
 {
  if (evt.target instanceof List)
  {
   if ("Count Lines".equals(arg)) {
     showStatus("Lines: "+l.countItems()); }

   if ("Set Multiple Choice".equals(arg)) {
     l.replaceItem("Remove Multiple Choice",l.getSelectedIndex()); 
     l.setMultipleSelections(true); }

   if ("Remove Multiple Choice".equals(arg)) {
     l.replaceItem("Set Multiple Choice",l.getSelectedIndex()); 
     l.setMultipleSelections(false); }

   if ("Add Line".equals(arg)) {
     l.addItem("New Line"); }

   if ("Remove Line".equals(arg)) {
     l.delItem(l.countItems()-1); }
   }
  return true;
 }
}