Java Utililty Methods Year Day

List of utility methods to do Year Day

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Description

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

Method

intgetYearWeek(String curday)
get Year Week 
try {
    java.util.Date date = str2date(curday);
    Calendar rightNow = Calendar.getInstance();
    rightNow.setTime(date);
    return rightNow.get(Calendar.WEEK_OF_YEAR);
} catch (Exception e) {
    e.printStackTrace();
    return 0;
...
intgetYearWeek(String curday)
get Year Week 
try {
    java.util.Date date = str2utilDate(curday);
    Calendar rightNow = Calendar.getInstance();
    rightNow.setTime(date);
    return rightNow.get(Calendar.WEEK_OF_YEAR);
} catch (Exception e) {
    System.out.println("DateUtil.getYearWeek(str) Error:e = " + e);
    return 0;
...
intlastDay(Integer year, int month)
last Day 
Calendar cal = Calendar.getInstance();
cal.set(year, month - 1, 1);
cal.add(Calendar.MONTH, 1);
cal.add(Calendar.DATE, -1);
return cal.get(Calendar.DAY_OF_MONTH);
Stringlastdayofyear()
lastdayofyear 
SimpleDateFormat sdf = new SimpleDateFormat("yyyy");
String year = sdf.format(new java.util.Date());
return year + "-12-31";
DatelastDayOfYear(Integer year)
last Day Of Year 
Date d = new Date();
d.setMonth(11);
d.setYear(year - 1900);
d.setHours(23);
d.setMinutes(59);
Calendar calendar = Calendar.getInstance();
calendar.setTime(d);
int lastDate = calendar.getActualMaximum(Calendar.DATE);
...
StringtodaysYear()
todays Year 
DateFormat nuSE = new SimpleDateFormat("yyyy");
return nuSE.format(new Date());