Java Utililty Methods Day of

List of utility methods to do Day of

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Description

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

Method

longcalcDay(String date1, String date2, String format)
calc Day 
SimpleDateFormat sdf = new SimpleDateFormat(format);
Calendar cal = Calendar.getInstance();
cal.setTime(sdf.parse(date1));
long time1 = cal.getTimeInMillis();
cal.setTime(sdf.parse(date2));
long time2 = cal.getTimeInMillis();
return (time1 - time2) / (1000 * 3600 * 24);
StringcalcSunday(String queryDate)
calc Sunday 
String result = null;
if (queryDate != null) {
    GregorianCalendar gc = new GregorianCalendar();
    SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
    try {
        gc.setTime(df.parse(queryDate));
        gc.add(5, -1);
        for (; gc.get(7) != 7; gc.add(5, 1))
...
intCountCmpHolidays(Date stdate, Date enddate, String[] CmpHoliDays)
Count Cmp Holidays 
int NonWorkingDays = 0;
Calendar c1 = Calendar.getInstance();
DateFormat sdf1 = new SimpleDateFormat("yyyy-MM-dd");
try {
    c1.setTime(stdate);
    while ((stdate.compareTo(enddate)) < 0) {
        if (Arrays.binarySearch(CmpHoliDays, sdf1.format(c1.getTime())) >= 0) {
            NonWorkingDays += 1;
...
longcountDay(String begin, String end)
count Day 
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
Date beginDate, endDate;
long day = 0;
try {
    beginDate = format.parse(begin);
    endDate = format.parse(end);
    day = (endDate.getTime() - beginDate.getTime()) / (24 * 60 * 60 * 1000);
} catch (ParseException e) {
...
DateendOfTheDay(Date date)
end Of The Day 
Calendar c = new GregorianCalendar();
c.setTime(date);
c.set(Calendar.HOUR_OF_DAY, 23);
c.set(Calendar.MINUTE, 59);
c.set(Calendar.SECOND, 59);
c.set(Calendar.MILLISECOND, 0);
return c.getTime();
StringformatDate(String day)
format Date 
try {
    return yyyyMM.format(formatYearMonth(day));
} catch (Exception ex) {
    ex.printStackTrace();
return null;
StringformatDay(final Date time)
Formats the given time using the following pattern: 'MMM d, yyyy'. 
final SimpleDateFormat dateTimeFormat = new SimpleDateFormat(DAY);
dateTimeFormat.setTimeZone(TimeZone.getDefault());
return time != null ? dateTimeFormat.format(time) : "";
java.util.DateformatDayTime(String day)
format Day Time 
try {
    return yyyyMMdd.parse(day);
} catch (ParseException ex) {
    ex.printStackTrace();
    return new java.util.Date();
StringformatShortNameOfDay(final Date date)
format Short Name Of Day 
final DateFormat df = new SimpleDateFormat("EE", Locale.getDefault());
df.setTimeZone(TimeZone.getDefault());
return df.format(date);
Stringget1DayBeforDate()
get Day Befor Date 
Calendar now = Calendar.getInstance();
now.set(Calendar.DAY_OF_MONTH, now.get(Calendar.DAY_OF_MONTH) - 1);
return getDate(now.getTime(), "yyyy-MM-dd");