Java Utililty Methods Day Of Year

List of utility methods to do Day Of Year

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Description

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

Method

intdaysInYear(int yearInteger)
Answer number of days in given year, accounting for leap yearsTo. 
return 365 + leapYearBalance(yearInteger);
Stringfirstdayofyear()
firstdayofyear 
SimpleDateFormat sdf = new SimpleDateFormat("yyyy");
String year = sdf.format(new java.util.Date());
return year + "-01-01";
intgetDayFromYear(String year)
get Day From Year 
SimpleDateFormat format = new SimpleDateFormat(year_format);
Date date;
int day = 0;
try {
    date = format.parse(year);
    Calendar calendar = new GregorianCalendar();
    calendar.setTime(date);
    day = calendar.getActualMaximum(Calendar.DAY_OF_YEAR);
...
intgetDaysInYear(final int year)
Returns the number of days in the year 
if (isLeapYear(year)) {
    return DAYS_PER_YEAR + 1;
return DAYS_PER_YEAR;
intgetDaysInYear(int year)
get Days In Year 
return ((year % 4) == 0) ? 366 : 365;
intgetDaysInYear(int year)
get Days In Year 
if (year > 1582) {
    if (year % 400 == 0)
        return 366;
    else if (year % 100 == 0)
        return 365;
    else if (year % 4 == 0)
        return 366;
    else
...
intgetDaysOfYear(int year)
get Days Of Year 
if (isBissextile(year)) {
    return 366;
return 365;
longgetEndTimeOfYear(int year)
get End Time Of Year 
Calendar cal = Calendar.getInstance();
cal.set(year + 1, Calendar.JANUARY, 1, 23, 59, 59);
return cal.getTimeInMillis() - 24 * 60 * 60 * 1000;
DategetFirstDayOfTheYear(int year)
get First Day Of The Year 
Calendar firstDayOfThisYear = Calendar.getInstance();
firstDayOfThisYear.clear();
firstDayOfThisYear.set(Calendar.YEAR, year);
firstDayOfThisYear.set(Calendar.DAY_OF_YEAR, 1);
return firstDayOfThisYear.getTime();
DategetFirstDayOfYear(int year)
get First Day Of Year 
return getFirstDayOfQuarter(year, 1);