Programming Tutorials

Developer roles in J2EE

By: aathishankaran in Java Tutorials on 2007-02-22  

In EJB development, the development tasks are divided in to three different roles:

Enterprise Bean Developer

An enterprise bean developer performs the following tasks to deliver an EJB JAR file that contains the enterprise bean:

  • Writes and compiles the source code
  • Specifies the deployment descriptor
  • Bundles the .class files and deployment descriptor into an EJB JAR file

Web Component Developer

A Web component developer performs the following tasks to deliver a WAR file containing the Web component:

  • Writes and compiles servlet source code
  • Writes JSP and HTML files
  • Specifies the deployment descriptor for the Web component
  • Bundles the .class, .jsp, .html, and deployment descriptor files in the WAR file

J2EE Application Client Developer

An application client developer performs the following tasks to deliver a JAR file containing the J2EE application client:

  • Writes and compiles the source code
  • Specifies the deployment descriptor for the client
  • Bundles the .class files and deployment descriptor into the JAR file





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