public class Caixa2 extends Applet
{
     Panel p1,p2,p3,p4,p5;
     Button bt=new Button("Botão");
     Checkbox cb1=new Checkbox("Checkbox");
     Choice ch=new Choice();
     List lt=new List(5,true);
     TextArea ta=new TextArea(5,15);
     TextField tf=new TextField(5);
     CheckboxGroup cbg=new CheckboxGroup();
     Checkbox[] cb2=new Checkbox[5];
     groupListener Click = new groupListener(ta);
     buttonListener Zap = new buttonListener(ta);
     boxListener Check = new boxListener(ta);
     choiceListener Choose = new choiceListener(ta);
     listListener Zip = new listListener(ta);
     textfieldListener Taptap = new textfieldListener(ta);
     dblclickListListener Zapzap=new dblclickListListener(ta);

     public void init()
    {
         setLayout(new BorderLayout(5,5));

        p1=new Panel();
       add("North",p1);
       p1.add(cb2[0]=new Checkbox("uva",cbg,true));
       p1.add(cb2[1]=new Checkbox("banana",cbg,false));
       p1.add(cb2[2]=new Checkbox("maçã",cbg,false));
       p1.add(cb2[3]=new Checkbox("laranja",cbg,false));
       p1.add(cb2[4]=new Checkbox("mamão",cbg,false));
      cb2[0].addItemListener(Click);
      cb2[1].addItemListener(Click);
      cb2[2].addItemListener(Click);
      cb2[3].addItemListener(Click);
      cb2[4].addItemListener(Click);
      p1.setBackground(Color.red);

      p2=new Panel();
      bt.addActionListener(Zap);
      add("West",p2);
      p2.add(bt);
      cb1.addItemListener(Check);
      p2.add(cb1);
      p2.setBackground(Color.green);

      p3=new Panel();
      add("East",p3);
      ch.addItem("papel higiênico");
      ch.addItem("sabonete");
      ch.addItem("shampoo");
      ch.addItem("condicionador");
      ch.addItem("creme para barbear");
      ch.addItemListener(Choose);
      p3.add(ch);
      lt.add("pratos");
      lt.add("talheres");
      lt.add("copos");
      lt.add("guardanapo");
      lt.add("panelas");
      lt.addItemListener(Zip);
      lt.addActionListener(Zapzap);
      p3.add(lt);
      p3.setBackground(Color.blue);

      p4=new Panel();
      add("Center",p4);
      p4.add(tf);
      tf.addActionListener(Taptap);
      p4.setBackground(Color.yellow);
      tf.setBackground(Color.white);

      p5=new Panel();
      add("South",p5);
      p5.add(ta);
      ta.setEditable(false);
      ta.setBackground(Color.white);
      p5.setBackground(Color.cyan);
    }
}//fim do Applet

class groupListener implements ItemListener
{
     private TextArea outTextArea = new TextArea(5,15);
     groupListener(TextArea outtext)
     {
          outTextArea = outtext;
     }
     public void itemStateChanged(ItemEvent e)
     {
          if (e.getStateChange()==ItemEvent.SELECTED)
          {
                outTextArea.append("Group = " + e.getItem().toString()+".\n");
          }
     }
}//fim do groupListener

class buttonListener implements ActionListener
{
    private TextArea outTextArea = new TextArea(5,15);
    buttonListener(TextArea outtext)
    {
          outTextArea = outtext;
    }
    public void actionPerformed(ActionEvent e)
   {
       outTextArea.append("Button Clicked!\n");
    }
}//fim de buttonListener

class boxListener implements ItemListener
{
     private TextArea outTextArea = new TextArea(5,15);
     boxListener(TextArea outtext)
     {
          outTextArea = outtext;
     }
     public void itemStateChanged(ItemEvent e)
     {
          if (e.getStateChange()==ItemEvent.SELECTED)
          {
               outTextArea.append("Box Checked!\n");
          }
          else
          {
               outTextArea.append("Box Unchecked!\n");
          }
     }
}//fim de boxListener

class choiceListener implements ItemListener
{
     private TextArea outTextArea = new TextArea(5,15);
     choiceListener(TextArea outtext)
     {
          outTextArea = outtext;
     }
     public void itemStateChanged(ItemEvent e)
    {
          if (e.getStateChange()==ItemEvent.SELECTED)
          {
               outTextArea.append("Opção = " + e.getItem().toString()+"\n");
          }
     }
}//fim de choiceListener

class listListener implements ItemListener
{
     private TextArea outTextArea = new TextArea(5,15);
     listListener(TextArea outtext)
     {
          outTextArea = outtext;
     }
     public void itemStateChanged(ItemEvent e)
     {
          if (e.getStateChange()==ItemEvent.SELECTED)
      {
           outTextArea.append("Eu quero "+e.getItem().toString()+"\n");
       }
      if (e.getStateChange()==ItemEvent.DESELECTED)
      {
           outTextArea.append("Eu não quero mais "+e.getItem().toString()+"\n");
      }
  }
}//fim de listListener

class textfieldListener implements ActionListener
{
     private TextArea outTextArea = new TextArea(5,15);
     textfieldListener(TextArea outtext)
     {
          outTextArea = outtext;
     }
     public void actionPerformed(ActionEvent e)
    {
          outTextArea.append("TextField diz: "+ e.getActionCommand()+".\n");
     }
}//fim de textfieldListener

class dblclickListListener implements ActionListener
{
     private TextArea outTextArea = new TextArea(5,15);
     dblclickListListener(TextArea outtext)
     {
          outTextArea = outtext;
     }
     public void actionPerformed(ActionEvent e)
     {
          outTextArea.append("Double clicked: "+ e.getActionCommand()+".\n");
     }
}//fim de dbclickListener