用java计算日期/时间差
String dateStart = "11/03/14 09:29:58";String dateStop = "11/03/14 09:33:43";// Custom date formatSimpleDateFormat format = new SimpleDateFormat("yy/MM/dd HH:mm:ss"); Date d1 = null;Date d2 = null;try { d1 = format.parse(dateStart); d2 = format.parse(dateStop);} catch (ParseException e) { e.printStackTrace();} // Get msec from each, and subtract.long diff = d2.getTime() - d1.getTime();long diffSeconds = diff / 1000; long diffMinutes = diff / (60 * 1000); long diffHours = diff / (60 * 60 * 1000); System.out.println("Time in seconds: " + diffSeconds + " seconds."); System.out.println("Time in minutes: " + diffMinutes + " minutes."); System.out.println("Time in hours: " + diffHours + " hours.");
Time in seconds: 45 seconds.Time in minutes: 3 minutes.Time in hours: 0 hours.
Time in seconds: 225 seconds.Time in minutes: 3 minutes.Time in hours: 0 hours.
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