What is J2EE

• A platform to create applications in Java

• Defined by a standard specification

• It is based on the existence of an application server

• Includes specifications for a lot of enterprise requirements:

• • User interface (JSP, portlets, JSF, servlets, swing)
  • Business Rules – EJB(s)
  • Database access – JDBC
  • “Legacy” integration – JCA
  • XML
  • Web services
  • Directory services
  • Transaction management
  • Authentication and Authorization

• The compliant AS implement the specifications