Oracle Application Server 10g Java Edition is a highly scalable, available, manageable, and secure J2EE application server that
includes all you need to develop and deploy enterprise Java applications at a fraction of the cost of BEA or IBM.
BENEFITS
Leading performance—Oracle is committed to Java performance leadership. At its core, Oracle Application Server utilizes Oracle Containers for J2EE (OC4J), a high-performance and standards-compliant Java container with minimum footprint.
Complete, low-cost Java solution—In addition to Oracle's J2EE 1.4 certified Java container, fully functional versions of the award-winning Java persistence framework TopLink and Oracle ADF (Application Development Framework) are included. For development, Oracle's Java IDE JDeveloper is available at no cost.
Scale your applications with your business needs—Adding capabilities such as portal, SOA, and clustering support is easy. Simply upgrade from Java Edition to a higher-level edition—no code changes or switch of development / management tools is required.