datetime - How to count days between string date java -

i have dates in variable , b, this. string = "2016-01-28 21:50"; string b = "2016-01-31 21:49";

how count how many days there between variable , b?

in java 8, can use chronounit achieve this.

here example code snippet consider.

import java.time.localdate; import java.time.format.datetimeformatter; import java.time.temporal.chronounit;  public class daysinbetween {      public static void main(string[] args) {         string = "2016-01-28 21:50";          string b = "2016-01-31 21:49";           final datetimeformatter fmt = datetimeformatter.ofpattern("yyyy-mm-dd hh:mm");          final localdate d1 = localdate.parse(a, fmt);         final localdate d2 = localdate.parse(b, fmt);          final long daysinbetween = chronounit.days.between(d1, d2);          system.out.println("number of days in between:" + daysinbetween);      } }