Java Utililty Methods Day of Week

List of utility methods to do Day of Week

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Description

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

Method

booleanisMatchWeek(Date date, int week)
is Match Week 
return getWeekOfDate(date) == week;
booleanisOnWeekend(Date date)
Uses the Calendar to see of the day of week is equal to saturday or sunday. 
Calendar cal = Calendar.getInstance();
cal.setTime(date);
return ((cal.get(Calendar.DAY_OF_WEEK) == Calendar.SATURDAY)
        || (cal.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY));
booleanisSameWeekDates(Date date1, Date date2)
is Same Week Dates 
long diff = getMonday(date1).getTime() - getMonday(date2).getTime();
if (Math.abs(diff) < 1000 * 60 * 60 * 24) {
    return true;
} else {
    return false;
booleanisWeekday(Date startDate)
decides if a day is Mon through Fri 
GregorianCalendar cal = new GregorianCalendar();
cal.setTime(startDate);
if (cal.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY || cal.get(Calendar.DAY_OF_WEEK) == Calendar.SATURDAY)
    return false;
return true;
booleanisWeekDay(final Date date)
Figure out whether a Date is a week day. 
if (null == date) {
    return false;
Calendar cal = Calendar.getInstance();
cal.setTime(date);
if (cal.get(Calendar.DAY_OF_WEEK) == Calendar.SATURDAY
        || cal.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY) {
    return false;
...
booleanisWeekEnd(Date date)
is Week End 
Calendar cal = Calendar.getInstance();
cal.setTime(date);
if (cal.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY || cal.get(Calendar.DAY_OF_WEEK) == Calendar.SATURDAY)
    return true;
else
    return false;
booleanisWeekend(Date date)
is Weekend 
Calendar c = Calendar.getInstance();
if (date != null)
    c.setTime(date);
int weekDay = c.get(7);
return ((weekDay == 1) || (weekDay == 7));
booleanisWeekend(Date date)
is Weekend 
boolean result = false;
int day = getDayOfWeek(date);
result = false;
result = result || day == Calendar.SATURDAY;
result = result || day == Calendar.SUNDAY;
return result;
booleanisWeekend(Date date)
Tests the input date to check if the date falls on a weekend. 
if (isSaturday(date) || isSunday(date))
    return true;
else
    return false;
booleanisWeekend(Date date)
is Weekend 
return isWeekend(calendar(date));