how to subtract two dates

What method is best to obtain the number of days between two dates?thanks
[87 byte] By [minnewa] at [2007-11-27 0:28:25]
# 1
For example find milliseconds for each date, subtract, divide.
Michael.Nazarov@sun.coma at 2007-7-11 22:29:34 > top of Java-index,Java Essentials,New To Java...