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J2EE™ Security for Servlets, EJBs and Web Services: Applying Theory and Standards to Practice by Pankaj Kumar

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Packaging of Java Platform

We talked about Java scaling from tiny cell phone to heavy-duty multi-CPU machines. This is made possible by the packaging of the Java platform in three different editions:

  1. J2ME (Java 2 Platform, Micro Edition): An optimized Java platform for small devices ranging from smart cards to set top boxes and including handheld PDAs (Personal Digital Assistants) and cell phones.

  2. J2SE (Java 2 Platform, Standard Edition): Java platform for developing and running human facing interactive applications and applets. Here the focus is on features that emphasize interaction with human users.

  3. J2EE (Java 2 Platform, Enterprise Edition): Java platform for developing and deploying always running, backend, business applications. Here the ...

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