Java Utililty Methods Day From

List of utility methods to do Day From

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Description

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

Method

StringgetTimeField(Date day, int field)
get Time Field 
if (day == null)
    return null;
Calendar c = Calendar.getInstance();
c.setTime(day);
return c.get(field) < 10 ? "0" + c.get(field) : "" + c.get(field);
booleanisBusinessDay(int dateIntToCheck)
is Business Day 
Boolean result = ibdMemo.get(dateIntToCheck);
if (result != null)
    return result;
Date dateToCheck = convertToDate(dateIntToCheck);
Calendar baseCal = Calendar.getInstance();
baseCal.setTime(dateToCheck);
List<Date> offlimitDates;
synchronized (computedDates) {
...
booleanisDefaultWorkingDay(Date date)
is Default Working Day 
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
int week = calendar.get(Calendar.DAY_OF_WEEK);
return !(week == 7 || week == 1);
booleanisOneDayZeroPoint(Date date)
is One Day Zero Point 
if (date != null) {
    long time = date.getTime() + ONE_DAY_MILLISECONDS / 3;
    if (time % ONE_DAY_MILLISECONDS == 0) {
        return true;
return false;
DatenextDay(Date date)
Returns the day after date. 
return new Date(addDays(date.getTime(), 1));
DatenextDay(Date date, int day)
next Day 
Calendar cal = Calendar.getInstance();
if (date != null) {
    cal.setTime(date);
cal.add(Calendar.DAY_OF_YEAR, day);
return cal.getTime();
DatestartOfDay(Date date)
Returns a new Date with the hours, milliseconds, seconds and minutes set to 0. 
Calendar calendar = CALENDAR;
synchronized (calendar) {
    calendar.setTime(date);
    calendar.set(Calendar.HOUR_OF_DAY, 0);
    calendar.set(Calendar.MILLISECOND, 0);
    calendar.set(Calendar.SECOND, 0);
    calendar.set(Calendar.MINUTE, 0);
    return calendar.getTime();
...
DatestartOfDay(Date datum)
start Of Day 
if (datum == null) {
    return null;
Calendar cal = new GregorianCalendar();
cal.setTime(datum);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
...