Answers

2014-08-12T13:53:11+05:30
---> J2EE is open source.so development cost is cheap.Also Databases like Mysql, PostgreSQL which are commonly used in J2ee are free too and it is very useful for developing Enterprise application
 
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J2EE is Platform Independent: Due to Platform Independent nature It can work in any os like windows, linux, mac and so on.

--->Integration with existing information systems (i.e,) integration APIs for: DBs, mail, CORBA, messaging, directories

--->Interoperatability and vendor neutrality.Running j2ee applications is simple.It just need a server which support j2ee standard jsp,servlets,taglibs,etc like tomcat, jboss, websphere
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