J2SETM Platform at a Glance This document covers the JavaTM 2 Platform Standard Edition 5.0 Development Kit (JDK 5.0). Its product version number is 5.0 and developer version number is 1.5.0, as described in Version 5.0 or 1.5.0? For information on a feature of the JDK, click on its component in the diagram below.