GregorianCalendar ca = new GregorianCalendar(); System.out.PRintln("ca: " + ca); System.out.println("ca.time: " + ca.getTimeInMillis());
GregorianCalendar ca0 = new GregorianCalendar(2004-1900,11,31,23,59,59); GregorianCalendar ca1 = new GregorianCalendar(2005-1900,00,01,00,00,02); long sa = ca1.getTimeInMillis() - ca0.getTimeInMillis(); System.out.println("ca1-ca0: " + sa);
//2004.11.05 added String old = "20041231235959"; int old_yyyy = Integer.parseInt(old.substring(0,4)); int old_mm = Integer.parseInt(old.substring(4,6)); int old_dd = Integer.parseInt(old.substring(6,8)); int old_hh = Integer.parseInt(old.substring(8,10)); int old_mi = Integer.parseInt(old.substring(10,12)); int old_ss = Integer.parseInt(old.substring(12,14)); String now = "20050101235959"; int now_yyyy = Integer.parseInt(now.substring(0,4)); int now_mm = Integer.parseInt(now.substring(4,6)); int now_dd = Integer.parseInt(now.substring(6,8)); int now_hh = Integer.parseInt(now.substring(8,10)); int now_mi = Integer.parseInt(now.substring(10,12)); int now_ss = Integer.parseInt(now.substring(12,14)); GregorianCalendar gcOld = new GregorianCalendar( old_yyyy-1900,old_mm-1,old_dd,old_hh,old_mi,old_ss); GregorianCalendar gcNow = new GregorianCalendar( now_yyyy-1900,now_mm-1,now_dd,now_hh,now_mi,now_ss); sa = gcNow.getTimeInMillis() - gcOld.getTimeInMillis(); System.out.println("now-old: " + sa);