* @throws UnsupportedLookAndFeelException
*/
public static void main(String[] args) throws Exception {
// set up and show main window
UIManager.setLookAndFeel( new Plastic3DLookAndFeel() );
CompanyRegistry registry = new CompanyRegistry();
BrokerWindow window = new BrokerWindow( registry.getCompanies() );
window.show();
Broker broker = new Broker( window, registry );
TimerService clock = new JDKTimerService(1);