Enterprise beans: Resources for learning

Use the following links to find relevant supplemental information about enterprise beans. The information resides on IBM and non-IBM Internet sites, whose sponsors control the technical accuracy of the information.

These links are provided for convenience. Often, the information is not specific to this product but is useful all or in part for understanding the product. When possible, links are provided to technical papers and Redbooks that supplement the broad coverage of the release documentation with in-depth examinations of particular product areas.

Planning, business scenarios, and IT architecture

Programming model and decisions

Read all about EJB 2.0
A comprehensive overview of the 2.0 specification that is still relevant to users of EJB 2.1.
The J2EE Tutorial
This set of articles by Sun Microsystems covers several EJB-related topics, including the basic programming models, persistence, and EJB Query Language.

Programming instructions and examples

Rules and Patterns for Session Facades
EJB programming practice: Fronting entity beans with a session-bean facade.
WebSphere Application Server Development Best Practices for Performance and Scalability
Programming practice for enterprise beans and other types of J2EE components.
Optimistic Locking in IBM WAS 4.0.2
Examples of the effect of optimistic concurrency on application behavior. Although the paper is based on a previous version of this product, the data access issues discussed in it are current.
This paper does not seem to be available directly by URL. To view this paper, visit the specified URL and search on "optimistic locking"

Programming specifications

Enterprise JavaBeans 2.1 Specification
You can download the specification from this URL.
Java^TM 2 Platform: Compatibility with Previous Releases
This Sun Microsystems article includes both source and binary compatibility issues.