Howard Lewis Ship overviews Spock, a testing framework for the JVM.
Gil Tene discusses JVM observation-based runtime optimizations, ordering and memory model rules, basics GC functions, memory management, and JVM mechanics.
Sébastien Doeraene introduces Ozma – Scala extension providing declarative concurrency – with code samples, and explores what it takes to port it to JVM.
Emad Benjamin explains how to deploy and tune a JVM on a virtual infrastructure (vSphere), and how to tune the garbage collector in this environment.
Ryan Kennedy introduces Dropwizard which is Yammer's framework for building RESTful web services on the JVM.
Jez Ng, CJ Carey and Jonny Leahey introduce Doppio, a JVM written in CoffeeScript for the browser.
Edmund Jackson discusses the Goals, Logic Variables, Constraints, and Compositions that form the foundation of Logic Programming using Clojure examples.
Cliff Click discusses RAIN, H2O, JMM, Parallel Computation, Fork/Joins in the context of performing big data analysis on tons of commodity hardware.
Gil Tene explains how a garbage collector works, covering the fundamentals, mechanism, terminology and metrics. He classifies several GCs, and introduces Azul C4.
Attila Szegedi shares lessons learned tuning the JVM at Twitter, spending most of his talk discussing memory tuning, CPU usage tuning, and lock contention tuning.
Josh Suereth presents the new features available in Akka 2.0: clustered actors, including stateless and stateful ones, replication and the Cluster API.
Erik Onnen attempts to demonstrate that Java is still the best programming language for the JVM if simplified idioms are used along with proper tooling.