This option installs and configures HTTP Server , OC4J Container for J2EE , Web Services and Web Cache.
Oracle Installation recommends atleast 512 MB of Memory. This Installation type does not require a Database.
The below screen shot explains the option
The configuration screen comes with additional option for the Installation.
HTTP Server and OC4J are mandatory components for this installation.
Whereas WebCache , Farm Repository and Identity Managment Access (SSO Enable option) are optional.
The below screen shot explains the option
J2EE and OracleAS Web Cache Ports on 10g Release 2 (10.1.2)
For the URL refer to setupinfo.txt in the install directory of the Oracle Home.
Some of the Application that can be developed for Deployment in Oracle Application Server are
Java and J2EE
Web Services
XML
PL/SQL
Programming Language/Methodology : JSP, Swing, Applets
Build Time Recommendation : JDeveloper
Study at Oracle
Oracle Containers for Java EE
Oracle by Example
Design, Develop, and Deploy J2EE Applications
Cache Web Applications Using OracleAS Web Cache
J2EE and WebCache Discussion Forums