Java Utililty Methods Calendar Month

List of utility methods to do Calendar Month

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Description

The list of methods to do Calendar Month are organized into topic(s).

Method

CalendarincrementMonthByVal(Calendar theCal, int val)
increment Month By Val 
Calendar incrementedCalendar = (Calendar) theCal.clone();
int currentDay = incrementedCalendar.get(Calendar.DAY_OF_MONTH);
incrementedCalendar.add(Calendar.MONTH, val);
incrementedCalendar.set(Calendar.DAY_OF_MONTH, currentDay);
int newDay = incrementedCalendar.get(Calendar.DAY_OF_MONTH);
if (newDay < currentDay) { 
    incrementedCalendar.roll(Calendar.DAY_OF_MONTH, false);
    int rolledBackDay = incrementedCalendar.get(Calendar.DAY_OF_MONTH);
...
intintToCalendarMonth(int month)
int To Calendar Month 
if (month == 1) {
    return Calendar.JANUARY;
} else if (month == 2) {
    return Calendar.FEBRUARY;
} else if (month == 3) {
    return Calendar.MARCH;
} else if (month == 4) {
    return Calendar.APRIL;
...
booleanisFirstDayOfMonth(Calendar calendar)
is First Day Of Month 
if (calendar.get(Calendar.DAY_OF_MONTH) == 1) {
    return true;
return false;
intlastDayOfMonth(Calendar c)
last Day Of Month 
return c.getActualMaximum(Calendar.DATE);
intmonth(Calendar calendar)
month 
return calendar.get(Calendar.MONTH) + 1;
intmonth(Calendar date)
month 
return date.get(Calendar.MONTH) + 1;
intnumberOfDaysInMonth(Calendar cal)
number Of Days In Month 
cal.set(Calendar.DAY_OF_MONTH, 1);
cal.set(Calendar.HOUR, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
cal.add(Calendar.MONTH, 1);
cal.add(Calendar.DAY_OF_MONTH, -1);
return cal.get(Calendar.DAY_OF_MONTH);
...
booleansameMonth(Calendar one, Calendar two)
Returns true if the two given calendars are dated on the same year and month. 
return one.get(Calendar.MONTH) == two.get(Calendar.MONTH) && sameYear(one, two);
voidsetDate(Calendar cal, int month, int date)
set Date 
cal.clear();
cal.set(Calendar.YEAR, Calendar.getInstance().get(Calendar.YEAR));
cal.set(Calendar.MONTH, month);
cal.set(Calendar.DATE, date);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
...
voidsetDate(Calendar cal, int month, int date, boolean endOfDay)
set Date 
cal.clear();
cal.set(Calendar.YEAR, Calendar.getInstance().get(Calendar.YEAR));
cal.set(Calendar.MONTH, month);
cal.set(Calendar.DATE, date);
if (endOfDay) {
    cal.set(Calendar.HOUR_OF_DAY, 23);
    cal.set(Calendar.MINUTE, 59);
    cal.set(Calendar.SECOND, 59);
...