public static void main(String[] args) throws Exception {
        String str = "Sat Oct 22 22:41:30 +0800 2011";
        Date date = new SimpleDateFormat("EEE MMM dd HH:mm:ss Z yyyy",Locale.US).parse(str);
        System.out.println(new SimpleDateFormat("MM-dd HH:mm").format(date));
    }

------解决方案--------------------
	SimpleDateFormat dateFormat=new SimpleDateFormat();

	    DateFormat sFormat=new SimpleDateFormat("yyyy/MM/dd");