System.out.println("HELLO WORLD");
	public void actionPerformed(ActionEvent evt)	{		if(evt.getSource() == cmd)		{			System.out.println("HELLO WORLD");			String s = (String)cmd.getSelectedItem();			if(s != null && s.length() != 0)			{				cmd.addCurrentToHistory();				cmd.setSelectedItem(null);				run(s);			}		}	}