Java Platform, Standard Edition (Java SE, formerly known as J2SE) offers a complete environment for application development and deployment on desktops and servers. Java SE is also at home in todays demanding Embedded and Real-Time environments. Java SE includes classes that support the development of Java Web Services and provides the foundation for Java Platform, Enterprise Edition (Java EE).
Java SE 6 ("Mustang") Beta offers the first feature complete version of Suns next major release of the Java SE platform. Sun has endeavored to foster the highest level of transparency and collaboration on the platform with the Java community through the Mustang Project, and expects to ship the final release of Java SE 6 the fall of 2006.
Note: The download link will redirect to the default download. From there, you will be able to download the files for all supported platforms.