Java Utililty Methods Day Between

List of utility methods to do Day Between

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Description

The list of methods to do Day Between are organized into topic(s).

Method

DatestdNewDate(String tzDiff)
std New Date 
Calendar cal = Calendar.getInstance();
Calendar cal1 = new GregorianCalendar(TimeZone.getTimeZone("GMT" + tzDiff));
try {
    Date dt = new Date();
    cal1.setTimeInMillis(dt.getTime());
    cal.set(Calendar.YEAR, cal1.get(Calendar.YEAR));
    cal.set(Calendar.MONTH, cal1.get(Calendar.MONTH));
    cal.set(Calendar.DAY_OF_MONTH, cal1.get(Calendar.DAY_OF_MONTH));
...
DatesubstractDate(final Date date, final Integer different)
Substract days. 
return addDate(date, -different);
LongtimeDifferenceInSeconds(Date startDate, Date endDate)
time Difference In Seconds 
if (startDate == null || endDate == null) {
    return null;
return (endDate.getTime() - startDate.getTime()) / (1000L);
longtimeDifferenceWithCurrentTime(Date startTime)
This Methods gives the result Milliseconds elapsed to Current Time Note : this method does not check for dates. 
Date currentTime = getCurrentDateTime();
Calendar startDateCal = Calendar.getInstance();
startDateCal.setTime(startTime);
Calendar newTime = Calendar.getInstance();
newTime.set(Calendar.HOUR, startDateCal.get(Calendar.HOUR));
newTime.set(Calendar.MINUTE, startDateCal.get(Calendar.MINUTE));
newTime.set(Calendar.MILLISECOND, startDateCal.get(Calendar.MILLISECOND));
return ((newTime.getTime()).getTime() - currentTime.getTime());
...
inttruncateDifferMonths(Date date)
truncate Differ Months 
return truncateDifferMonths(date, new Date());
IntegeryearDifference(Date date1, Date date2)
date2-date1 if either are null, it returns null. 
if (date1 == null || date2 == null)
    return (null);
Calendar cal1 = new GregorianCalendar();
cal1.setTime(date1);
Calendar cal2 = new GregorianCalendar();
cal2.setTime(date2);
return (yearDifference(cal1, cal2));
intyearTimeDiff(Date d1, Date d2)
year Time Diff 
assertDateParamsRequired(d1, d2);
Calendar c1 = Calendar.getInstance();
c1.setTime(d1);
Calendar c2 = Calendar.getInstance();
c2.setTime(d2);
return c1.get(Calendar.YEAR) - c2.get(Calendar.YEAR);