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The author of this piece needs to get a life.

No, I think he's got it just about right. Ruby isn't the only language which is open to Java developers, but it does make a nice scripting language to jump to. Groovy is an easier step, but because it's not too different, you'll gain less by learning it. It is the differences between languages which improve your problem-solving abilities.

I can't really see how anybody could disagree with this. Isn't it commonly accepted that a good developer should learn one new language a year? Erlang, Python, Scala, Javascript, and Groovy are all just as good of choices. If you want to get "out there" try X10, Haskell, or Lua.

Indeed. Seems like the most obvious thing in the world.

I love these rules people seem to throw on everyone else. First off, "Java Developers" are the most out going of all developers. We touch more systems than most "other" developers because Java touches so many systems. I don't know one Java developer that just knows "Java" and thats all. Can your community of developers say that? Or does your community preach the one way and it's the only way ;)
Side note: Java developers are the most opened minded developers out of all the communities. Just look around at what the other communities say and do and compare it to the Java community. I wonder how many Ruby guys are learning dotNet or PHP or anything...oh right...they already know it and think it sucks...right

killerweb, I take it from your comments and your vote that you didn't in fact RTFA and realize that the author is primarily a Java developer himself.

I did read it and got the point, but if you are going to also use misleading titles that don't match the story, well then you get comments like mine.