Java - Time difference in minutes

Question

I have this problem with calculating time difference in minutes. Its working fine with exampples like calculating the difference between 2045 and 2300.

But when I want t

Answer 1

This is a solved problem. If you look at the Joda Time library you'll find all the time and date manipulation functions you could possibly want:

In your case something along the lines of:

DateTime first = new DateTime(larger-time);
DateTime second = new DateTime(smaller-time);
DateTime difference = first.minusMillis(second.getMillis())

Joda will cope with all the odd edge conditions like rolling over between days/months/years, lengths of months, leap years, daylight savings, timezones...