Uml to code

Hello,
can you tell me how i go from uml diagram to automatic code generation and vice versa?
Thanks in advance

javiator wrote:
But what if you have several thousands files with instantiation going through spring container and aspect style code used in it. I've never used professional uml software that claims to be capable to do the conversion but somehow I am also skeptical.Huh? I have an IDE that does code completion but I don't expect it to write code either.
Before UML existed tools existed that allowed you to go from diagrams to code and back. There were certainly GUI tools that existed before Java that generated code (since I worked on one of those.)
Rational Rose existed before UML did. And it gen'd/reversed even then which I know because I used it. History of that company.
[http://en.wikipedia.org/wiki/Rational_Software]
Following is the current java version.
[http://www-01.ibm.com/software/awdtools/developer/rose/java/index.html]
Rational Rose was the commercial cornerstone that lead to the creation of UML. It employed the original creators and that employment specifically lead to UML. And the company was dedicated to creating code generation tools. So I would doubt that the creators of UML were completely opposed to the idea of such tools.
Having used Rational Rose and Together in early versions I didn't find them especially helpful but those were very early versions. And I don't like IDEs either - so that is a consideration. (I believe I looked at Together before Borland bought it.)

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