简而言之：

DateFormat formatter = new SimpleDateFormat("MM/dd/yy");
try {
  Date date = formatter.parse("01/29/02");
} catch (ParseException e) {
  e.printStackTrace();
}

请参阅 SimpleDateFormat javadoc 。

See SimpleDateFormat javadoc for more.

并将其转换为日历，执行以下操作：

And to turn it into a Calendar, do:

Calendar calendar = Calendar.getInstance();
calendar.setTime(date);