How to find the number of days between two dates in java or groovy?

Question

I have a method which uses following logic to calculate difference between days.

long diff = milliseconds2 - milliseconds1;
long diffDays = diff / (24 * 60 *         


        

Answer 1

just parse 9th feb 2011 & 19th feb 2011 into dates using SimpleDateFormat and convert it to start & end millis and apply your calculation