Date & time operation

[Mark Leong]

I have a date and time formatted as follows:-
Date = "2002-02-28"
Time = "14:15:00"
Date is formatted as yyyy-mm-dd and time is hh:mm:ss
How to add/minus X hours from the above date/time?

[Bear Bibeault]

Check out the Calendar and GregorianCalendar classes.
hth,
bear