code: public static void main(String[] s) {
  		JFrame frame = new JFrame("JCalendar");
  
  		JCalendar jcalendar = new JCalendar();
  		frame.getContentPane().add(jcalendar);
  		frame.pack();
  		frame.setVisible(true);
  	}
docs: Creates a JFrame with a JCalendar inside and can be used for testing.
  
  @param s
  The command line arguments