Enterprise JavaBeans, 3.0

1.1. Server-Side Components Object-oriented languages such as Java, C++, C#, Python, and Ruby are used to write software that is flexible, extensible, and reusablethe three axioms of object-oriented development. In business systems, object-or...

1.2. Persistence and Entity Beans Persistence is a higher-level abstraction above JDBC. The persistence layer maps objects to database storage so that they can be queried, loaded, updated, or removed without having to go through a verbo...

1.3. Asynchronous Messaging In addition to supporting RMI-based distributed business objects, Enterprise JavaBeans supports asynchronous messaging. An asynchronous messaging system allows two or more applications to exchange information in the ...

1.4. Web Services Web services represent the latest wave in distributed computing. Although the term web services is bandied about quite a bit, arriving at a concrete definition is difficult because web services is, at the highest level...