import javax.swing.* ;
import java.awt.* ;
import java.awt.event.* ;
import java.io.* ;

class FileChooserFrame extends JFrame implements ActionListener {
    public FileChooserFrame() {
        addWindowListener(new TerminationListener()) ;

        setTitle("FileChooserFrame") ;
        setSize(600, 400) ;

        JMenuBar menuBar = new JMenuBar() ;
        setJMenuBar(menuBar) ;

        JMenu fileMenu = new JMenu("File") ;
        menuBar.add(fileMenu) ;

        openItem = new JMenuItem("Open") ;
        openItem.addActionListener(this) ;
        fileMenu.add(openItem) ;

        closeItem = new JMenuItem("Exit") ;
        closeItem.addActionListener(this) ;
        fileMenu.add(closeItem) ;

        JPanel panel = new JPanel() ;
        field = new JTextField(20) ;
        panel.add(field) ;
        getContentPane().add(panel) ;
    }

    public void actionPerformed(ActionEvent evt) {
        if(evt.getSource() == openItem) {
            JFileChooser c = new JFileChooser() ;
            c.setCurrentDirectory(new File(".")) ;
            c.showOpenDialog(this) ;
            File f = c.getSelectedFile() ;
            if(f != null)
                field.setText(f.getName()) ;
        } else if(evt.getSource() == closeItem)
           System.exit(0) ;
    }

    private JMenuItem openItem, closeItem, redItem, blueItem ;
    private JTextField field ;
}

public class FileChooserTest {
    public static void main(String [] args) {
        JFrame frame = new FileChooserFrame() ;

        frame.show() ;
    }
}


class TerminationListener implements WindowListener {
    public void windowActivated(WindowEvent e) {}
    public void windowClosed(WindowEvent e) {}
    public void windowClosing(WindowEvent e) {
        System.exit(0) ;
    }
    public void windowDeactivated(WindowEvent e) {}
    public void windowDeiconified(WindowEvent e) {}
    public void windowIconified(WindowEvent e) {}
    public void windowOpened(WindowEvent e) {}
}