By: aathishankaran Printer Friendly Format
applications are made up of components. A J2EE
component is a self-contained functional software unit that is assembled
into a J2EE application with its related classes and files and that communicates
with other components. The J2EE specification defines the following J2EE
clients and applets are components that run on the client.
Servlet and JavaServer Pages (JSP) technology components are Web components that
run on the server.
JavaBeans (EJB) components (enterprise beans) are business components that run
on the server.
components are written in the Java programming language and are compiled in the
same way as any program in the language. The difference between J2EE components
and "standard" Java classes is that J2EE components are assembled into
a J2EE application, verified to be well formed and in compliance with the J2EE
specification, and deployed to production, where they are run and managed by the
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