Java Utililty Methods Calendar Year

List of utility methods to do Calendar Year

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Description

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

Method

voidsetCalendarFields(Calendar cal, int year, int month, int day, int hour, int minute, int second, int millis)
set Calendar Fields 
if (year <= 0) {
    cal.set(Calendar.ERA, GregorianCalendar.BC);
    cal.set(Calendar.YEAR, 1 - year);
} else {
    cal.set(Calendar.ERA, GregorianCalendar.AD);
    cal.set(Calendar.YEAR, year);
cal.set(Calendar.MONTH, month - 1);
...
voidsetDate(Calendar cal, int year, int month, int day)
set Date 
cal.set(Calendar.YEAR, year);
cal.set(Calendar.MONTH, month - 1);
cal.set(Calendar.DATE, day);
GregorianCalendartoCalendar(int year, int month, int day, int hour, int minutes, int seconds)
to Calendar 
GregorianCalendar calendar = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
calendar.set(Calendar.MILLISECOND, 0);
calendar.set(year, month - 1, day, hour, minutes, seconds);
return calendar;
StringtoStringYearMonth(Calendar calendar)
to String Year Month 
String yyyy = String.valueOf(calendar.get(Calendar.YEAR) + BUDDHIST_YEAR);
String mm = String.valueOf(calendar.get(Calendar.MONTH) + 1);
if (mm.length() < 2) {
    mm = "0" + mm;
return yyyy + mm;
voidtruncCalendarToHalfYear(Calendar c)
truncate the calendar to half year (i.e. 
if (c == null) {
    return;
int month = c.get(Calendar.MONTH);
truncCalendarToYear(c);
if (month >= Calendar.JULY) {
    c.set(Calendar.MONTH, Calendar.JULY);
voidtruncCalendarToYear(Calendar c)
truncate the calendar to year 
if (c == null) {
    return;
c.set(Calendar.MONTH, Calendar.JANUARY);
c.set(Calendar.DATE, 1);
c.set(Calendar.HOUR_OF_DAY, 0);
c.set(Calendar.MINUTE, 0);
c.set(Calendar.SECOND, 0);
...
intyear(Calendar calendar)
year 
return calendar.get(Calendar.YEAR);
intyear(Calendar date)
year 
return date.get(Calendar.YEAR);