Java Utililty Methods Year Month

List of utility methods to do Year Month

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Description

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

Method

DateencodeDateTime(int year, int month, int day, int hour, int minutes, int seconds)
Return a date. 
Date result;
Calendar calendar = Calendar.getInstance();
calendar.set(year, month - 1, day, hour, minutes, seconds);
result = calendar.getTime();
return result;
DategetAddedDate(Date date, int addYear, int addMonth, int addDay, int addHour, int addMinute, int addSecond)
get Added Date 
Calendar nowdate = new GregorianCalendar();
nowdate.setTime(date);
nowdate.add(Calendar.YEAR, addYear);
nowdate.add(Calendar.MONTH, addMonth);
nowdate.add(Calendar.DAY_OF_MONTH, addDay);
nowdate.add(Calendar.HOUR_OF_DAY, addHour);
nowdate.add(Calendar.MINUTE, addMinute);
nowdate.add(Calendar.SECOND, addSecond);
...
ListgetAllDate(String year_month)
get All Date 
List<Object> list = new ArrayList<Object>();
Calendar rightNow = Calendar.getInstance();
SimpleDateFormat simpleDate = new SimpleDateFormat("yyyy-MM");
try {
    rightNow.setTime(simpleDate.parse(year_month));
} catch (ParseException e) {
    e.printStackTrace();
int days = rightNow.getActualMaximum(Calendar.DAY_OF_MONTH);
String date = "";
for (int i = 1; i <= days; i++) {
    if (i < 10) {
        date = year_month + "-0" + i;
    } else {
        date = year_month + "-" + i;
    list.add(date);
return list;
Date[]getBeginEndDayOfMonth(String yearMonthString)
Get the begin/end day of a month 
try {
    Date begin, end;
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");
    begin = sdf.parse(yearMonthString);
    Calendar cal = getCalendar();
    cal.setTime(begin);
    cal.add(Calendar.MONTH, 1);
    cal.add(Calendar.MILLISECOND, -1);
...
DategetCurrentYearMonthDay()
get Current Year Month Day 
Date date = new Date();
return new Date(date.getYear(), date.getMonth(), date.getDate());
StringgetCurYearMonth()
get Cur Year Month 
Calendar now = Calendar.getInstance(TimeZone.getDefault());
String DATE_FORMAT = "yyyyMM";
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat(DATE_FORMAT);
sdf.setTimeZone(TimeZone.getDefault());
return (sdf.format(now.getTime()));
DategetDate(int year, int month, int day)
get Date 
return getDate(year, month, day, 0, 0, 0);
DategetDate(int year, int month, int day, int hour, int minute)
get Date 
Calendar cal = new GregorianCalendar(year, intToCalendarMonth(month), day, hour, minute);
return cal.getTime();
intgetDaysOfMonth(String year, String month)
get Days Of Month 
int days = 0;
if (month.equals("1") || month.equals("3") || month.equals("5") || month.equals("7") || month.equals("8")
        || month.equals("10") || month.equals("12")) {
    days = 31;
} else if (month.equals("4") || month.equals("6") || month.equals("9") || month.equals("11")) {
    days = 30;
} else {
    if ((Integer.parseInt(year) % 4 == 0 && Integer.parseInt(year) % 100 != 0)
...
DategetEndDateOfMonth(int year, int month)
get End Date Of Month 
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar cal = Calendar.getInstance();
cal.set(Calendar.MONTH, month);
cal.set(Calendar.YEAR, year);
String enddat = year + "-" + (month + 1) + "-" + cal.getActualMaximum(Calendar.DATE);
Date enddate = sdf.parse(enddat);
return enddate;