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

public
class HelloApp extends Frame implements WindowListener, ActionListener
{
   public HelloApp ()
   {
      super();
      addWindowListener(this);
      setSize(320, 200);
      setTitle("Moja aplikacja w Javie");
      setLayout(new GridLayout(3, 2));
      
      add(new Checkbox("Opcja 1.1"));
      add(new Checkbox("Opcja 1.2"));
      add(new Checkbox("Opcja 2.1"));
      add(new Checkbox("Opcja 2.2"));
      add(new Checkbox("Opcja 3.1"));
      add(new Checkbox("Opcja 3.2"));

      setVisible(true);
      
   }
   public void actionPerformed(ActionEvent e){
      if (e.getActionCommand().equals("Enter")){
      }
   }
   public void paint(Graphics gDC)
   {
   }
   public static void main(String args[])
   {
      new HelloApp();
   }
   public void windowClosing(WindowEvent e){
      System.exit(0);
   }
   public void windowClosed(WindowEvent e){
   }
   public void windowOpened(WindowEvent e){
   }
   public void windowIconified(WindowEvent e){
   }
   public void windowDeiconified(WindowEvent e){
   }
   public void windowActivated(WindowEvent e){
   }
   public void windowDeactivated(WindowEvent e){
   }
}


