## Relevant articles:

- [Period and Duration in Java](http://www.baeldung.com/java-period-duration)
- [Introduction to the Java 8 Date/Time API](http://www.baeldung.com/java-8-date-time-intro)
- [Migrating to the New Java 8 Date Time API](http://www.baeldung.com/migrating-to-java-8-date-time-api)