Test Project Threeten : Backport of JSR-310

Overview

Same classes as in Java 8 Date and Time API, but packages have been renamed from java.time to org.threeten.bp.
Project ThreeTen :

• home page
• source code

See also JSR-310 (Date and Time API).

Maven

<dependency>
    <groupId>org.threeten</groupId>
    <artifactId>threetenbp</artifactId>
    <version>1.3.1</version>
</dependency>

Target JDK

JDK 6 or 7.

Other alternatives

• Joda Time

Integration with Hibernate/JPA

To store JSR-310 classes in a database, you may need to use bindings for Hibernate or JPA. 
Have a look at the user type, threeten-jpa or jpaattributeconverters projects for more info.

Source : http://www.threeten.org/