switch (close_action)
switch (closeAction)
    protected  void processWindowEvent(WindowEvent e)    {	super.processWindowEvent(e); 	switch (e.getID())	    {	    case WindowEvent.WINDOW_CLOSING:		{	  switch (close_action)			{			case EXIT_ON_CLOSE:			    {				System.exit(0);				break;			    }			case DISPOSE_ON_CLOSE:			    {				dispose();				break;			    }			case HIDE_ON_CLOSE:			    {				setVisible(false);				break;			    }			case DO_NOTHING_ON_CLOSE:			    break;			}		    break;		}	    case WindowEvent.WINDOW_CLOSED:	    case WindowEvent.WINDOW_OPENED:	    case WindowEvent.WINDOW_ICONIFIED:	    case WindowEvent.WINDOW_DEICONIFIED:	    case WindowEvent.WINDOW_ACTIVATED:	    case WindowEvent.WINDOW_DEACTIVATED:		break;	    }    }   