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.
Rúnar Bjarnason discusses Scalaz, a Scala library of pure data structures, type classes, highly generalized functions, and concurrency abstractions to perform functional programming in Scala.
Zach Tellman explains how to deal with asynchronous programming difficulties in Clojure using an event-driven data structure.
Charles Fry presents MapMaker, an in-memory caching solution on the JVM, discussing its API and implementation evolution along with internal details.
Attila Szegedi discusses performance problems encountered at Twitter running Java and Scala applications, presenting how they solve them through JVM tuning.
Attila Szegedi discusses a framework which provides object registration and discoverability, overloaded method resolution, etc. for better inter-language communication on JVM using InvokeDynamic.
Gil Tene explains the workings of a garbage collector: terminology, metrics, fundamentals, key mechanisms, classification of current GCs, the “Application Memory Wall” problem, and details Azul C4 GC.
Andrey Breslav introduces the upcoming Kotlin language created by JetBrains, a general purpose JVM-based language, statically typed, object-oriented, and meant to be more concise than Java.
Jevgeni Kabanov creates a CPU model in Java in an attempt to explain the underlying mechanism of memory performance bottlenecks and the need for a correlated hardware, OS and JVM improvement.
As Java continues to age, many developers ask how a language for general purpose & business computing would look if designed today. The result is Ceylon - a prototype language for the JVM which attempts to combine the strengths of Java with the power of higher order functions and declarative programming. This talk from QCon Beijing 2011, Gavin King introduces Ceylon for the first time.
Danny Coward talks on how Oracle intends to maintain Java in the front line by investing in two features that are trendy today: support for multiple JVM languages and parallel programming.
Ola Bini offers advice to those interested in using the JVM with languages other than Java, talking about language interoperability, polyglot patterns, build tools, tweaking the JVM, and JVM tools.
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