The Java Tutorials have been written for JDK 8. Examples and practices described in this page don't take advantage of improvements introduced in later releases and might use technology no longer available.
See Java Language Changes for a summary of updated language features in Java SE 9 and subsequent releases.
See JDK Release Notes for information about new features, enhancements, and removed or deprecated options for all JDK releases.
1. Which class would you use to store your birthday in years, months, days, seconds, and nanoseconds?
2. Given a random date, how would you find the date of the previous Thursday?
3. What is the difference between a ZoneId and a ZoneOffset?
4. How would you convert an Instant to a ZonedDateTime? How would you convert a ZonedDateTime to an Instant?
1. Write an example that, for a given year, reports the length of each month within that year.
2. Write an example that, for a given month of the current year, lists all of the Mondays in that month.
3. Write an example that tests whether a given date occurs on Friday the 13th.