如何更改Java中的日期格式？

如何使用

SimpleDateFormat

final String OLD_FORMAT = "dd/MM/yyyy";final String NEW_FORMAT = "yyyy/MM/dd";// August 12, 2010String oldDateString = "12/08/2010";String newDateString;SimpleDateFormat sdf = new SimpleDateFormat(OLD_FORMAT);Date d = sdf.parse(oldDateString);sdf.applyPattern(NEW_FORMAT);newDateString = sdf.format(d);