InfoQ Homepage JVM Languages Content on InfoQ
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JRuby 1.1 released with major performance improvements
JRuby 1.1 has been released, bringing massive performance increases due to the new JIT, a new Regex engine and other improvements. InfoQ talked to Ola Bini and Charles Nutter about the changes in the new release and the future directions of the project.
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Presentation: Scala: Bringing Future Languages to the JVM
In this presentation, Lex Spoon discusses the Scala programming language. Topics covered include the origin of Scala, the philosophy behind Scala, the Scala feature set, Object-Oriented and Functional programming in Scala, examples of Scala code, writing DSLs, how Scala is converted into Java, Scala performance, Abstract Data Types, unapply, actors and partial functions.
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Using JRuby to generate Code for the JVM
While JRuby's performance keeps increasing, there are still algorithms that are faster if implemented in Java. We look at different approaches to solve this: RubyInline for JRuby, generating bytecode with a JRuby DSL and a new subset of Ruby called Duby.
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Interview: Ola Bini Discusses JRuby
In this interview, Ola Bini talks about various aspects of developing JRuby, such as the long struggle to get compatible Regular expressions to work. Other discussed topics include JRuby's chances in the enterprise, the future of both Ruby and JRuby and what role JRuby will take.
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RadRails goes 1.0 - adds Profiler, CallGraph Analyzer, Rails Shell, etc.
RadRails 1.0, part of the Aptana IDE, has been released. Next to the powerful refactoring capabilities, it adds profiling tools and GUIs for Ruby, fast jruby-debug support for JRuby, and more. We talked to Christopher Williams of RDT and Aptana about RadRails 1.0.
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Article: Deploying JRuby Applications with Java Web Start
JRuby allows to make application deployment easy by allowing to use Java Web Start. This article walks through the necessary steps for deploying a JRuby GUI application (an Object Browser). Additionally, it looks at Ahead Of Time (AOT) Compilation, a new feature in JRuby 1.1, which allows to compile Ruby code to Java bytecode at build time.
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David Pollak on lift and Scala
With the release of lift 0.6, the web application framework for Scala, InfoQ took the opportunity to ask David Pollak some questions around lift and developing in Scala.
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JVM Dynamic Language Shootout
Travis Jensen compares Groovy, Jython and JRuby for developing web based user interfaces.
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JRuby support in Ruby in Steel for Visual Studio
SapphireSteel's Ruby in Steel IDE for Visual Studio just added another feature: JRuby support. This includes a new fast debugger for JRuby. We talked to Huw Collingbourne about this new feature.
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Debate about Testing and Recoverability: Object Oriented vs. Functional Programming Languages
In his latest blog post, Michael Feathers argued that object oriented programming languages offer some built-in features that facilitate testing and are therefore more recovery friendly than functional languages. Proponents of functional languages expressed strong disagreement with this statement, which provoked a very passionate debate in the blog community.
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Common Ruby MVM API research kicked off
Research on the topic of Multiple VM (MVM) Ruby will be conducted at the University of Tokyo together with Sun's JRuby team. The work will investigate issues such as communication between VMs and a common API across all Ruby implementations, with solutions provided initially for Ruby and JRuby.
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Article: Securing a Grails Application with Acegi Security
In this article, Fadi Shami gives a walkthrough of integrating the grails-acegi plugin with a sample Grails application. As part of this integration, there are three major components which are used – Groovy, Grails and Acegi Security.
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Creating Domain Specific Languages with Groovy
Today marked the first day of the Groovy/Grails Experience, also known as 2GX, in Reston, Virginia. The conference spans three days and includes forty 90-minute sessions, panel discussions and code workshops. One of the first sessions of the day was Venkat Subramaniam's "DSL In Groovy." Venkat provided a thorough discussion on DSLs and how Groovy eases the creation and usage of them.
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JRuby 1.1RC2 released with reduced memory requirements
The JRuby 1.1 release is inching closer: Release Candidate 2 is out - and it's a big update with many bug fixes. A big update was the work on the Ruby to JVM bytecode JIT, which now requires less memory and shares JITed code among multiple JRuby runtimes in the same JVM.
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Glimmer - using JRuby and SWT for Eclipse RCP apps
Glimmer is a library for building GUIs with JRuby and SWT. Using the Builder idiom, it allows to define GUIs very quickly, but also permits to access SWT APIs directly. Glimmer was recently proposed as an official Eclipse project, so we caught up with Andy Maleh to talk about the project.