PolyConf 15: JRuby - How Ruby and Java meet on the same JVM / Alissa Bonas

What if you have some code already written in Ruby, and some other code written in Java, and they needed to run together and communicate with each other? JRuby makes that happen by enabling Ruby applications to run on a JVM. In this talk I will explain how you can make your Ruby on Rails application run on a JVM, what are the pros and cons of that, and the various techniques to make your Ruby and Java code talk to each other.