Java 2 Platform, Standard Edition (J2SE) version 1.5 («Tiger») is the next major revision to the Java platform and language; it is currently slated to contain 15 component JSRs with nearly 100 other significant updates developed through the Java Community Process (JCP).
With so many exciting changes in this release you may be wondering where you should start. As in previous releases, the comprehensive list of all changes is available in the Release notes guide. This article, from the J2SE team, will take you through the major changes so that you have a grasp of what J2SE 1.5 has to offer, before diving into the api docs.
Cuya versión beta ya se puede descargar.