How to create a simple security realm that uses a file in a safe place in the app server to store the credentials | File realm & role based security with Glassfish 3.1
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J2EE is an acronym for Java 2 Enterprise Edition. The Java 2 Enterprise Edition is Software that can be used along with the J2SE, the Java 2 Standard Edition which includes the compiler and the other fundamentals of Java. The J2EE software includes development and deployment systems for Java Servlet and Java ServerPages. Both of these combine Java and HTML to produce web pages on demand. Author Mohamed Habou . understand this powerful component of Java programming.