Java Utililty Methods Year

List of utility methods to do Year

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Description

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

Method

CalendarcreateCalendarAtBeginningOfYear(int year)
create Calendar At Beginning Of Year 
final GregorianCalendar calendar = createUtcCalendar();
calendar.set(Calendar.YEAR, year);
calendar.set(Calendar.MONTH, 0);
calendar.set(Calendar.DAY_OF_MONTH, 1);
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
...
IntegercurrentYear()
current Year 
GregorianCalendar gFechaActual = new GregorianCalendar();
return gFechaActual.get(GregorianCalendar.YEAR);
intdaysInYear(int year)
days In Year 
Calendar c = Calendar.getInstance();
c.set(Calendar.YEAR, year);
return c.getActualMaximum(Calendar.DAY_OF_YEAR);
doubledifferenceInYears(final Calendar a, final Calendar b)
Calculates difference in years between to dates. 
final long millisDif = a.getTimeInMillis() - b.getTimeInMillis();
return millisDif / MILLISECONDS_PER_YEAR;
intdiffYears(Date day1, Date day2)
diff Years 
Calendar cal = Calendar.getInstance();
cal.setTime(day1);
int startYear = cal.getWeekYear();
cal.clear();
cal.setTime(day2);
int endYear = cal.getWeekYear();
int diffyears = endYear - startYear;
return diffyears;
...
booleanIsInLeapYear(Date date1)
Indicates whether the year in the specified date is in a leap year. 
GregorianCalendar cal = new GregorianCalendar();
cal.setTime(date1);
return cal.isLeapYear(cal.get(cal.YEAR));
booleanisLeapYear(int year)
is Leap Year 
Calendar calendar = Calendar.getInstance();
calendar.set(year, 2, 1);
calendar.add(Calendar.DATE, -1);
if (calendar.get(Calendar.DAY_OF_MONTH) == 29) {
    return true;
} else {
    return false;
DatenextYears(int diff)
next Years 
return add(new Date(), Calendar.YEAR, diff);
booleansameYear(Date date1, Date date2)
same Year 
if (date1 == null || date2 == null)
    throw new IllegalArgumentException("'date1' or 'date2' was null");
Calendar c1 = Calendar.getInstance();
c1.setTime(date1);
Calendar c2 = Calendar.getInstance();
c2.setTime(date2);
return c1.get(Calendar.YEAR) == c2.get(Calendar.YEAR);
StringyearAndSeason(Date date)
year And Season 
final Calendar cal = Calendar.getInstance();
cal.setTime(date);
return yearAndSeason(cal);