Date and Time manipulation is a must in every programming. Date, GregorianCalendar, SimpleDateFormat classes placed in java.util package comes to the rescue for all possible operations on date and time.
Following postings of this same Web site give all the possible operations on Date and Time manipulations.
1. class Date
2. class GregorianCalendar
3. SimpleDateFormat to set time as per the country with Locale
4. SimpleDateFormat to convert Date object to String form
5. SimpleDateFormat to convert String to Date
6. Java Dates Comparison
=============== Other classes of java.util package ==============