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What is J2EE?

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I started coming across this when looking for jobs recently. It''s obviously related to Java somehow, but how? I learnt Java when it was v1.3 I think, is this just Java v2.0, or some specialised language?

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J2EE = Java 2 Enterprise Edition.

It "defines the standard for developing component-based multitier enterprise applications".

Basically it builds on J2SE (Java 2 Standard Edition) and is used for enterprise development.

J2EE.



There's no place like 127.0.0.1


[edited by - rohde on May 7, 2004 8:31:53 AM]

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Firstly, Java2, was just what Java 1.2 really was - basically the marketeers decided that it was such a big jump, that it was really "Java2" (Even though even the beta version is only on 1.5 now).

So J2EE is "Java2 enterprise edition" which essentially covers all sorts of other APIs which are not included normally for one reason or another - usually because they are implemented by a container or something.

This includes notably, EJBs (Enterprise Java Beans) and JNDI (Java Naming and Directory Interface).

These are APIs implemented by application server containers to let components talk to each other, handle database connections in a more clever way etc.

Mark

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