Enterprise JavaBeans (EJBs)
The primary goal of the Enterprise JavaBeans (EJB) component model is to define a standard and consistent way for server-side application components to be written and deployed on all application servers that support the EJB specification. In essence, EJB brings the same Write Once Run Anywhere concept of standard Java to server-side components.
An enterprise bean is a Java class residing on the server side and implements the business logic for multi-tier enterprise applications. The EJB specification aims to standardize the development of these server-side Java classes. As a result, the EJB specification has clearly demarcated the middle tier of the three-tier architecture from a compound business logic layer into ...
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