J2EE, J2SE and J2ME are all collections of specifications. You have to look at the specifications to determine what they are. In effect, J2SE is the Java Virtual Machine and Java language which is the foundation for the other specifications. J2ME modifies the library routines of J2SE (same Java language) for the embedded space. J2EE is the specification of servers that are Java based. These may be web servers like Tomcat or application servers like JBoss. J2SE is roughly analogous to MVS. J2EE is roughly analogous to CICS running on MVS.
Because J2EE is Java based, all you need to run a J2EE app server (in addition to the app server itself) is the underlying JVM and libraries supplied by a J2SE compliant implementation. The downloads mentioned should be sufficient to run JBoss.
Harold Grovesteen
Jim Elliott wrote:
I guess that's where I am confused. Are J2EE and the IBMJava2-SDK the same thing -or- is J2EE part of the IBMJava2-SDK -or- is J2EE another package dependent on the IBMJava2-SDK? If a separate entity, I don't see it on the download site.
J2EE is one of three defined Java specs (J2SE for Standard Edition, J2EE for Enterprise Edition and J2ME for Java 2 Micro Edition). The IBM downloads are all for the J2SE SDK. I have never needed anything more so I don't know how you get the full J2EE. See http://www-106.ibm.com/developerworks/java/newto/ for more info.
Jim
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