Sponsored by Azul. Gil Tene discusses issues with dynamically optimized environments used for trading systems along with techniques for dealing with them, including JVM performance tune up tricks.
Glen Peterson uses the Expression Problem to compare refactoring in Java, Scala and Clojure, showing how traits minimize changes in Scala when an interface changes and how Clojure avoids some issues.
Timothy Baldridge introduces Clojure’s Core.Async library, presenting the motivation behind the library and examples in Clojure and ClojureScript helpful to decouple subsystems in an application.
Angelika Langer, Klaus Kreft discuss using Streams in Java 8: what they are, parallel or sequential execution, intermediate and terminal operations, stateless operations, and fluent programming.
Martin Thompson discusses the major steps in the evolution of Java and how it contrasts to alternative technologies, and the challenges of pushing the limits of performance.
Sponsored by Goldman Sachs. Java 8 has Streams, Scala has parallel collections, and GS Collections has ParallelIterables. How well do they perform?
Stuart Sierra discusses various Clojure features: protocols, records, DI, managing startup/shutdown of components, dynamic binding, interactive development workflow, testing and mocking.
Brian Goetz explains how lambda expressions are implemented using the invokedynamic instruction introduced in Java SE 7.
Sponsored by New Relic. Ashley Puls introduces three common byte code manipulation frameworks: ASM, CGLib, and Javassist, providing enough detail to get one started.
Eva Andreasson has a fairly entertaining and yet painful presentation around garbage collection that will probably will end with more questions than answers.
Jack Singleton discusses how to improve code readability and maintainability in Scala, and how to be productive with Options, Immutability, and the Collections library.
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