There are two different distribution types:
The Application Server product distribution includes the following components:
Application Server software, including administrative tools and utilities
Sun Java System Message Queue
Derby Database Server
The JavaTM 2 PlatformTM, Enterprise Edition (J2EETM) 1.4 product distribution includes the following components:
All components contained in the Application Server product distribution
JavaTM 2 Platform Edition (J2SETM) Software Development Kit (SDK)
J2EETM SDK samples, which includes BluePrints applications, such as Petstore, Adventure Builder, and SmartTicket
Use these instructions to install either distribution.