Java Utililty Methods Date Set

List of utility methods to do Date Set

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Description

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

Method

DatesetMinSeconds(Date date)
set Min Seconds 
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.set(Calendar.SECOND, 0);
return cal.getTime();
DatesetMinute(Date date, int minute)
 Set minute of date object. 

if (date == null) {
    return null;
Calendar c = getCalendar(date);
c.set(Calendar.MINUTE, minute);
return c.getTime();
DatesetMinutes(Date date, int amount)
Sets the minute field to a date returning a new object. 
return set(date, Calendar.MINUTE, amount);
DatesetStartDateIfNull(java.util.Date start)
set Start Date If Null 
Date result = start;
if (start == null) {
    Calendar calendar = Calendar.getInstance();
    calendar.set(2013, Calendar.FEBRUARY, 1);
    result = calendar.getTime();
return result;
DatesetStartDay(Date date)
set Start Day 
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.set(Calendar.HOUR_OF_DAY, 00);
calendar.set(Calendar.MINUTE, 00);
calendar.set(Calendar.SECOND, 00);
return calendar.getTime();
DatesetStartTime(Date date)
set Start Time 
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
return cal.getTime();
DatesetTime(Date date, int hourOfDay, int minute, int second)
set Time 
Calendar calendar = newCalendar(date);
calendar.set(Calendar.HOUR_OF_DAY, hourOfDay);
calendar.set(Calendar.MINUTE, minute);
calendar.set(Calendar.SECOND, second);
return calendar.getTime();
DatesetTime(Date date, int hours, int minutes, int seconds, int millis)
set Time 
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.set(Calendar.HOUR_OF_DAY, hours);
calendar.set(Calendar.MINUTE, minutes);
calendar.set(Calendar.SECOND, seconds);
calendar.set(Calendar.MILLISECOND, millis);
return calendar.getTime();
DatesetTime(Date date, String timeString)
set Time 
Calendar cal1 = Calendar.getInstance();
cal1.setTime(date);
Calendar cal2 = Calendar.getInstance();
String[] time = timeString.split(":");
cal2.set(cal1.get(Calendar.YEAR), cal1.get(Calendar.MONTH), cal1.get(Calendar.DAY_OF_MONTH),
        Integer.parseInt(time[0]), Integer.parseInt(time[1]), Integer.parseInt(time[2]));
return cal2.getTime();
DatesetTime(final Date date, final int hourOfDay, final int minute, final int second)
set Time 
final GregorianCalendar gc = new GregorianCalendar();
gc.setTime(date);
gc.set(Calendar.HOUR_OF_DAY, hourOfDay);
gc.set(Calendar.MINUTE, minute);
gc.set(Calendar.SECOND, second);
return gc.getTime();