In this presentation from QCon London, Ola Bini shows how JRuby is implemented, how it's optimized and what it can be and what it is used for.
Ola Bini is a Swedish developer currently working for ThoughtWorks. He has been one of the core developers for JRuby since 2006 and is the author of the APress book Practical JRuby on Rails. He has much experience with Java, Ruby and LISP, and has been working on a language called Ioke.
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community. QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.