Oracle GlassFish Server 3.0.1 Scripting Framework Guide

What Is JRuby ?

JRuby is a JavaTM implementation of the Ruby interpreter. While retaining many of the popular characteristics of Ruby, such as dynamic-typing, JRuby is integrated with the Java platform. With JRuby on Rails, you get the simplicity and productivity offered by Ruby and Rails and the power of the Java platform offered by JRuby, thereby giving you many benefits as a Rails developer, including the following:

To learn more about JRuby, see the JRuby Home page.