An enterprise bean (EB) is a server-side Java application component that encapsulates the business logic of an application and runs in an Enterprise JavaBeans (EJB) container. The three EB types are as follows: Session bean, entity bean and message-driven bean.
EBs simplify large and distributed system development in the following ways:
For example, if an enterprise application's (EA) function is to verify bank account information, such as balances and other transactions, then the application EB contains all methods invoked when a client accesses the same bank account information. Thus, an EB contains the code that fulfills the application's actual function. EBs simplify the development process of large EAs and are used under a variety of conditions, including the following:
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