Java Utililty Methods Day End

List of utility methods to do Day End

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Description

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

Method

DateendOfDayDate(Date date)
end Of Day Date 
Calendar now = Calendar.getInstance();
now.setTime(date);
now.set(Calendar.HOUR_OF_DAY, 23);
now.set(Calendar.MINUTE, 59);
now.set(Calendar.SECOND, 59);
now.set(Calendar.MILLISECOND, 999);
return now.getTime();
longendOfDayInMillis(long date)
Returns the last millisecond of the specified date. 
Calendar calendar = Calendar.getInstance();
synchronized (calendar) {
    calendar.setTimeInMillis(date);
    calendar.set(Calendar.HOUR_OF_DAY, 23);
    calendar.set(Calendar.MILLISECOND, 999);
    calendar.set(Calendar.SECOND, 59);
    calendar.set(Calendar.MINUTE, 59);
    return calendar.getTimeInMillis();
...
java.util.DateendOfTheMonth(java.util.Date date, Locale locale)
end Of The Month 
Calendar calendar = Calendar.getInstance(locale);
calendar.setTime(date);
calendar.set(Calendar.DATE, calendar.getActualMaximum(Calendar.DAY_OF_MONTH));
calendar.set(Calendar.HOUR_OF_DAY, 23);
calendar.set(Calendar.MINUTE, 59);
calendar.set(Calendar.SECOND, 59);
return calendar.getTime();
CalendarendOfYear(Date referenceDate, TimeZone timeZone)
Calcuate the date at the end of the year from the given date. 
Calendar c1 = Calendar.getInstance(timeZone);
c1.setTime(referenceDate);
Calendar c2 = Calendar.getInstance();
c2.clear();
c2.set(c1.get(Calendar.YEAR) + 1, 0, 1);
c2.setTimeZone(timeZone);
return c2;
SetfillBetweenDays(Date from, Date to)
fill Between Days 
Calendar c1 = dateToCalendar(from);
Calendar c2 = dateToCalendar(to);
int days = gapInDays(c1, c2);
Set<Date> fill = new TreeSet<>();
if (days > 0) {
    for (int i = 1; i < days; i++) {
        c1.add(Calendar.DAY_OF_MONTH, 1);
        fill.add(c1.getTime());
...
intgetAgeInDays(Date startDate, Date endDate)
get Age In Days 
long duration = endDate.getTime() - startDate.getTime();
return (int) Math.floor(duration / DAY_IN_MILLSEC);
intgetApartDate(Date startDate, Date endDate)
get Apart Date 
Calendar sd = Calendar.getInstance();
Calendar ed = Calendar.getInstance();
sd.setTime(startDate);
int day1 = sd.get(Calendar.DAY_OF_YEAR);
ed.setTime(endDate);
int day2 = ed.get(Calendar.DAY_OF_YEAR);
sd = null;
ed = null;
...
intgetBetweenDays(String strFromDate, String strToDate)
get Between Days 
try {
    Calendar clFrom = new GregorianCalendar();
    int iYear = Integer.parseInt(strFromDate.substring(0, 4));
    int iMonth = Integer.parseInt(strFromDate.substring(4, 6));
    int iDay = Integer.parseInt(strFromDate.substring(6, 8));
    clFrom.set(iYear, iMonth, iDay, 0, 0, 0);
    Calendar clTo = new GregorianCalendar();
    iYear = Integer.parseInt(strToDate.substring(0, 4));
...
GregorianCalendargetCalender(Date date)
get Calender 
GregorianCalendar cal = new GregorianCalendar();
cal.setTime(date);
cal.set(Calendar.MILLISECOND, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.HOUR_OF_DAY, 0);
return cal;
DategetCertificateEndDate(int days)
get Certificate End Date 
Calendar expiryTime = Calendar.getInstance();
expiryTime.add(Calendar.DAY_OF_YEAR, days);
return expiryTime.getTime();