Java Utililty Methods Hour Add

List of utility methods to do Hour Add

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Description

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

Method

DateaddHH(Date date, int i)
add HH 
if (date == null)
    return null;
Calendar c = new GregorianCalendar();
c.setTime(date);
c.add(Calendar.HOUR, i);
return c.getTime();
DateaddHour(Date baseDate, int hour, TimeZone timezone)
add Hour 
Calendar cal = Calendar.getInstance();
cal.setTimeZone(timezone);
cal.setTime(baseDate);
cal.add(Calendar.HOUR_OF_DAY, hour);
return cal.getTime();
DateaddHour(Date date, boolean up)
add Hour 
Calendar cal = Calendar.getInstance();
cal.setTime(date);
if (up) {
    cal.add(Calendar.HOUR_OF_DAY, 1);
} else {
    cal.add(Calendar.HOUR_OF_DAY, -1);
return cal.getTime();
...
CalendaraddHour(java.util.Date d, int h)
add Hour 
if (d == null)
    return null;
Calendar cal = Calendar.getInstance();
cal.setTime(d);
cal.add(Calendar.HOUR, h);
return cal;
DateaddHours(Date date, int hours)
Adds the number of hours to the specified java.util.Date Date object. 
Calendar temp = new GregorianCalendar();
temp.setTime(date);
temp.set(Calendar.HOUR_OF_DAY, hours);
return temp.getTime();
longaddHours(long date, int hours)
Adds the specified amount of hours to a date 
Calendar calendar = Calendar.getInstance(UTC);
calendar.setTimeInMillis(date);
calendar.add(Calendar.HOUR, hours);
return calendar.getTimeInMillis();