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Introducing the Ceylon Project

Posted by Gavin King  on  Apr 26, 2011 37

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.

Java SE: A Youthful Maturity

Posted by Danny Coward  on  Apr 20, 2011 2

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.

Adopting the JVM

Posted by Ola Bini  on  Mar 01, 2011

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.

Panel: The Future of Programming Languages

Posted by Guy Steele, Douglas Crockford, Josh Bloch, Alex Payne, Bruce Tate, and Ted Neward  on  Nov 24, 2010 8

Guy Steele, Douglas Crockford, Josh Bloch, Alex Payne, Bruce Tate, and Ted Neward (moderator) hold a discussion on the future of programming. Topics included: the future beyond functional, running JVM/CLR on many cores, what is the future of type checking and type systems, languages for education, comparing DSLs and ubiquitous languages, proving code correctness, functional and parallelism.

Towards a Universal VM

Posted by Alex Buckley  on  Jun 04, 2010

Alex Buckley presents some of the challenges for JVM to become a universal virtual machine, serving the needs of Java and non-Java languages, being useful both to statically and dynamically-typed languages, and supporting an ever growing number of languages and their features targeting the platform.

Diagnosing Web Application OutOfMemoryErrors

Posted by Mark Thomas  on  Apr 15, 2010 3

Mark Thomas explains what are the common OutOfMemoryError failures that could appear when running Java applications, showing how to diagnose such errors. He also discusses the JVM and tc Server configuration parameters affecting memory settings.

JRuby: You've Got Java in my Ruby

Posted by Tom Enebo  on  Feb 11, 2010 3

Tom Enebo explains reasons for choosing JRuby: Hotspot optimizations, JVM Garbage Collectors, tools like profilers. Also: how JRuby helps to write cleaner, more expressive code with Java libraries.

Exploring Dynamism

Posted by Allison Randal  on  Jan 22, 2010 2

In this presentation from the JVM Language Summit 2009, Allison Randal discusses what it means for a language to be dynamic, the spectrum between static and dynamic languages, dynamic typing, dynamic dispatch, introspection, dynamic compilation, dynamic loading, and a summary of the main differences between static and dynamic.

A Crash Course in Modern Hardware

Posted by Cliff Click  on  Jan 12, 2010 17

In this presentation from the JVM Languages Summit 2009, Cliff Click discusses the Von Neumann architecture, CISC vs RISC, the rise of multicore, Instruction-Level Parallelism (ILP), pipelining, out-of-order dispatch, static vs dynamic ILP, performance impact of cache misses, memory performance, memory vs CPU caching, examples of memory/CPU cache interaction, and tips for improving performance.

Pragmatic Real-World Scala

Posted by Jonas Bonér  on  Jul 16, 2009 2

Jonas Bonér talks about Scala: using OO and the type system to create reusable components, using closures, high-order functions, immutability to create coherent and deterministic code, using Actors to create concurrent and event-driven systems, and using ORM, AOP, DI and Testing with Scala.

Erlang Concurrency, What’s The Fuss?

Posted by Francesco Cesarini  on  Jul 04, 2009

Erlang is built on 3 components: language, OTP, and VM. Francesco Cesarini explains the role played by each component in order to ensure Erlang’s highly successful concurrency model which has been used in communication systems for more than 15 years. The presentation is accompanied by live demos and many questions are taken from the audience.

Writing DSLs in Groovy

Posted by Scott Davis  on  Jun 29, 2009 8

In this presentation recorded at QCon London 2009, after a short introduction to DSLs, Scott Davis plays with the keyboard showing how to approach the creation of a DSL by typing working snippets of Groovy code that get executed in front of the audience.

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