In reply to:

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is it the best choice?

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That really depends on the person. Most of the developers I work with use the free version of Borland's JBuilder, or a glorified text editor which is named Kava I think. Personally I use a combination of Apple's Project Builder, BBEdit, and vi for coding. Last time I tried netbeans it seemed slow and overly complicated for my needs, but that was a year or more ago.

-Mike