[Tom]

Hi guys – Do I have this complete and correct about the concurrent Java environments which Eclipse supports?

A) Eclipse only requires a JRE at JAVA_HOME to run.
B) Some Eclipse Plugins require an external compiler – Ant and the Struts and JSF Consoles for instance, so rather than just installing a JRE so Eclipse itself can run, one can install a JDK at JAVA_HOME.
C) Eclipse comes with an internal compiler – possibly Jikes – which is used to flag coding errors as one types.
B) The JRE under “Installed JREs” is used by Eclipse Run and Debug, but one can also add a JDK there if a Project requires it (for some reason).

Thanks!!!!

[Riyad Kalla]

Tom,
Everything is exactly right except C), the thing that finds errors real-time as you type is the reconciler. It seems like a compiler in the Java editor because its so smart, but in JSP pages, its a lot less advanced (too expensive) so real-time errors and compile-time errors become much more apparent.

[Author]

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