This major release (1.4) introduced IPv6 support , an integrated XML parser, logging APIs, and support for regular expressions. Modern Availability
Downloading from the official Oracle archive generally requires a free Oracle account.
The J2SDK provided a development environment for building applications and applets using the Java programming language. It included: Compilers and debuggers.
Because this version reached its "End of Life" (EOL) long ago, it is no longer updated with security patches and is not recommended for production use.