Java Utililty Methods Year From

List of utility methods to do Year From

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Description

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

Method

StringgetYearFromYM(String ym)
get Year From YM 
if (ym == null || ym.length() != DEFAULT_DATE_YM_FORMAT.length()) {
    return null;
return ym.substring(0, 4);
StringgetYearMonth(String day)
get Year Month 
if (day == null)
    return "";
if (day.length() < 8)
    return "";
int n = day.lastIndexOf("-");
return day.substring(0, n);
String[]getYearMonthArray(Integer yearMonth)
get Year Month Array 
String[] rv = new String[2];
rv[0] = String.valueOf(yearMonth / 12);
rv[1] = String.format("%02d", yearMonth % 12 + 1);
return rv;
intgetYearMonthDays(int year, int month)
get Year Month Days 
int days = 31;
switch (month) {
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
...
intgetYearNumberofdays(String date)
get Year Numberofdays 
int year = Integer.parseInt(date.split("-")[0]);
if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) {
    return 366;
return 365;
intgetYearOfDayMark(int day)
get Year Of Day Mark 
return day / 10000;
intgetYearOfPreYearWeek(int year, int week)
get Year Of Pre Year Week 
return week == 1 ? year - 1 : year;
IntegergetYearOfTime(Long time)
get Year Of Time 
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(time);
return cal.get(Calendar.YEAR);
ListgetYears(Integer limit)
get Years 
List<Integer> years = new ArrayList<Integer>();
Calendar calendar = Calendar.getInstance();
int year = calendar.get(Calendar.YEAR);
int count = year + limit;
int i = (year);
for (; i < count; i++) {
    years.add(i);
return years;
Listgetyears(List numberList)
getyears 
List<Integer> returnList = new ArrayList<Integer>();
Calendar cal = new GregorianCalendar();
int year = cal.get(Calendar.YEAR);
int size = numberList.size();
for (int i = 0; i < size; i++) {
    Long number = (Long) numberList.get(i);
    if ((number > 1980) && (number <= year)) {
        returnList.add(Integer.parseInt(numberList.get(i).toString()));
...