Java Utililty Methods Time Add

List of utility methods to do Time Add

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Description

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

Method

DateaddTime(Date aDate, int timeToAdd, int timeUnits)
Add time to a date with generic settings. 
Calendar cal = GregorianCalendar.getInstance();
cal.setTime(aDate);
cal.add(timeUnits, timeToAdd);
return cal.getTime();
DateaddTime(Date aDate, int timeToAdd, int timeUnits)
add Time 
Calendar cal = GregorianCalendar.getInstance();
cal.setTime(aDate);
cal.add(timeUnits, timeToAdd);
return cal.getTime();
DateaddTime(Date baseDate, int amount, int datePart)
Adds the specified part of date or time to the provided date instance. 
Calendar cal = Calendar.getInstance();
synchronized (cal) {
    cal.setTime(baseDate);
    cal.add(datePart, amount);
return cal.getTime();
DateaddTime(Date current, Date toadd)
add Time 
Calendar cal1 = Calendar.getInstance();
cal1.setTime(current);
Calendar cal2 = Calendar.getInstance();
cal2.setTime(toadd);
cal1.add(Calendar.HOUR_OF_DAY, cal2.get(Calendar.HOUR_OF_DAY));
cal1.add(Calendar.MINUTE, cal2.get(Calendar.MINUTE));
cal1.add(Calendar.SECOND, cal2.get(Calendar.SECOND));
return cal1.getTime();
...
DateaddTime(Date date, Date addTime)
add Time 
Calendar calendar = Calendar.getInstance();
calendar.setTime(addTime);
int addHour = calendar.get(Calendar.HOUR);
int addMinute = calendar.get(Calendar.MINUTE);
int addSecond = calendar.get(Calendar.SECOND);
int addMillisecond = calendar.get(Calendar.MILLISECOND);
calendar.setTime(date);
calendar.add(Calendar.MILLISECOND, addMillisecond);
...
DateaddTime(Date date, int field, int value)
add Time 
Calendar cal = cal(date);
cal.add(field, value);
return cal.getTime();
DateaddTime(Date date, int field, int value)
add Time 
return addTime(date, field, value, false);
DateaddTime(Date date, int mode, int amount)
add Time 
Calendar cal = Calendar.getInstance();
if (date != null)
    cal.setTime(date);
cal.add(mode, amount);
return cal.getTime();
DateaddTime(Date date, String time)
Deprecated! 
int hour = Integer.parseInt(time.substring(0, 2));
int minute = Integer.parseInt(time.substring(2, 4));
int second = Integer.parseInt(time.substring(4, 6));
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(date);
calendar.set(Calendar.HOUR, hour);
calendar.set(Calendar.MINUTE, minute);
calendar.set(Calendar.SECOND, second);
...
DateaddTime(Date source, int hours, int minutes, int second)
add Time 
if (source == null) {
    return null;
Calendar cal = Calendar.getInstance();
cal.setTime(source);
cal.add(Calendar.HOUR_OF_DAY, hours);
cal.add(Calendar.MINUTE, minutes);
cal.add(Calendar.SECOND, second);
...