Java Utililty Methods Date Difference

List of utility methods to do Date Difference

  1. HOME
  2. Java
  3. D
  4. Date Difference

Description

The list of methods to do Date Difference are organized into topic(s).

Method

intdifferenceOnMonth(Date date1, Date date2)
difference On Month 
if (date1 == null || date2 == null)
    return 0;
int difYear = 0;
int difMonth = 0;
int year1 = getDateYear(date1);
int year2 = getDateYear(date2);
int month1 = getMonthOnDate(date1);
int month2 = getMonthOnDate(date2);
...
intdifferenceOnYear(Date date1, Date date2)
difference On Year 
if (date1 == null || date2 == null) {
    return 0;
int year1 = getDateYear(date1);
int year2 = getDateYear(date2);
return Math.abs(year1 - year2);
longdiffIntoMilliSecond(java.util.Date date, java.util.Date date1)
diff Into Milli Second 
if (date == null || date1 == null)
    return 0;
Calendar cal = Calendar.getInstance();
cal.setLenient(true);
cal.setTime(date);
long datet = cal.getTimeInMillis();
cal.setTime(date1);
long date1t = cal.getTimeInMillis();
...
longdiffMillis(Date d1, Date d2)
diff Millis 
return d1.getTime() - d2.getTime();
intdiffMonth(Date before, Date after)
diff Month 
int monthAll = 0;
int yearsX = diffYear(before, after);
Calendar c1 = Calendar.getInstance();
Calendar c2 = Calendar.getInstance();
c1.setTime(before);
c2.setTime(after);
int monthsX = c2.get(Calendar.MONTH) - c1.get(Calendar.MONTH);
monthAll = yearsX * 12 + monthsX;
...
intdiffMonth(Date start, Date end)
diff Month 
if (start.after(end)) {
    Date t = start;
    start = end;
    end = t;
Calendar startCalendar = Calendar.getInstance();
startCalendar.setTime(start);
Calendar endCalendar = Calendar.getInstance();
...
booleandiffOfDate(String begin, String end)
diff Of Date 
try {
    SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
    Date thisdate = formatter.parse(formatter.format(new Date()));
    Date beginDate = formatter.parse(begin);
    Date endDate = formatter.parse(end);
    if ((thisdate.equals(beginDate) || thisdate.after(beginDate))
            && (thisdate.equals(endDate) || thisdate.before(endDate))) {
        return true;
...
booleandiffY(Date endDate, Date startDate)
diff Y 
String endTime = toStringFormat_2(endDate);
String startTime = toStringFormat_2(startDate);
return endTime.compareTo(startTime) >= 1 ? true : false;
longgetDateDiff(String startDate, String endDate)
get Date Diff 
long diff = 0;
try {
    Date date1 = new SimpleDateFormat("yyyy-MM-dd").parse(startDate);
    Date date2 = new SimpleDateFormat("yyyy-MM-dd").parse(endDate);
    diff = (date1.getTime() - date2.getTime()) / (24 * 60 * 60 * 1000) > 0
            ? (date1.getTime() - date2.getTime()) / (24 * 60 * 60 * 1000)
            : (date2.getTime() - date1.getTime()) / (24 * 60 * 60 * 1000);
} catch (ParseException e) {
...
longgetDateDiff(String startDt, String endDt)
get Date Diff 
return getDateDiff(startDt, endDt, "yyyy-MM-dd");