Best Java/JSP IDE

I am really new to Java and would like opinions on the best "FREE" IDE to use.
Please let me know what your favorite IDE is and why. Note that my only constraint is that it is a FREE IDE because my organization will not let me spend money on an IDE.
Thanks.
James

I've been using IntelliJ Idea for quite some time - and by far this is the best IDE i've used. It's not free however.
About free ones: I've been using JCreator for a while. It has nice features that simplify coding: (taken from the website)
Pop-up code completion.
Pop-up code snippets.
Pop-up code identifier.
Source code navigation.
Integration of the Javadocs.
Debugger Interface.
Custom document types.
Class Wizard.
Interface Implementation tool.
And more.. "
You can also use Sun's own SunONE studio. It's pretty good, although I found it slow.
HTH
M

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