In order to install you must first download the zip or tar archive from the web site at . This downloads page includes provides several distributions of , including snapshot packages as well as stable-version binary distributions. You will also find information on accessing the active source distributions for . The distributions come in bin, lib and src packages. This guide assumes that you have downloaded the bin distribution package.

Extract the downloaded package. The extracted installation contains several subdirectories:

• The demo subdirectory contains demonstration programs.
• The frameworks subdirectory contains scripts for executing utilities and setting up the environment.
• The javadoc subdirectory contains the api documentation that was generated from source code comments.
• The doc subdirectory contains the documentation.
• The lib subdirectory contains the jar files.