InfoQ Homepage JRuby Content on InfoQ
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JRuby Roundup: Google App Engine Support, BiteScript, New Compiler
With JRuby 1.2 released, the JRuby community is working on new projects such as a new Ruby to bytecode compiler, a standalone JRuby parser and a first release of the bytecode generating DSL Bitescript. Also: JRuby works on Google App Engine's newly announced Java support.
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Is It Premature to Talk About C++ and Java’s Legacy?
Bruce Eckel’s recent blog post on the legacy left by C++ and Java generated a lot of reaction. While mentioning some design mistakes, he concludes that both languages have had a significant role in programming languages evolution and an important positive legacy. But is it not too early to talk about their legacy?
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Presentation: Evolving the Java Platform
In this presentation recorded at QCon London 2008, Ola Bini talks about the current status of the JVM regarding languages running on top of it and the need to evolve in order to support dynamic languages.
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Presentation: Ruby VMs: A Comparison
In this presentation from QCon San Francisco 2008, Jason Seifer takes a look at the different Ruby virtual machines (JRuby, MagLev, IronRuby, Rubinius, MacRuby) and how to choose what fits best within the enterprise.
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JRuby on Java ME/CDC
After first steps to running JRuby on Android, JRuby's Charles Nutter now started work on making JRuby run on the CDC profile of Java ME.
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JRuby 1.2 RC1 Released, Initial support for Android
JRuby 1.2 RC1 is now available, complete with improved 1.9 support, performance improvements and bug fixes. Also: initial support for using JRuby on Android.
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Ruby 1.8.8 and the Road to Ruby 1.9.1
Which Ruby to choose - 1.8.x or 1.9.1? What's the best migration path? We take a look at some recent ruby-core discussions and the plan for Ruby 1.8.8 which will help moving to 1.9.1. Also: Fibers are now also available in Ruby 1.8.6/1.8.7.
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New Relic updates RPM to Improve Collaboration and Integration
New Relic announced the availability of RPM 1.2 which goes a long way into making the job of the developer better with improved collaboration and integration.
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JRuby and Clojure - A Good Match?
Clojure is a JVM based LISP with interesting properties for concurrency (persistent data structures, STM). New libraries for Clojure are popping up - and some of them are inspired by Ruby libraries such as HAML, ActiveRecord, Rack, and others. We also look at combining JRuby and Clojure to get the best of both Ruby and LISP world, as well as access to technologies such as STM.
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JRuby GUI MVC Framework Monkeybars Goes 1.0
There are many JRuby libraries on top of Java GUI toolkits. Monkeybars is a JRuby MVC framework for building GUI applications, and it's now available in version 1.0. We talked to James Britt about Monkeybars.
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Ruby 1.9.1 Is Close - Time To Switch From 1.8.x?
Ruby 1.9.1, the first stable version of Ruby 1.9 is around the corner, with the RC2 expected any day. 1.9.x hasn't seen much adoption or support in it's first year - although a closer look shows that it might be time to consider 1.9.1.
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JRuby 1.1.6 Released, Improves Ruby 1.9 Support
JRuby 1.1.6 is now available. The latest release brings the usual list of speed improvements and bug fixes, but a big new feature is the full support for parsing Ruby 1.9 source code, as well as improved Ruby 1.9 support.
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Ruby Performance: Great Shootout Results And A Discovery About Binary MRI vs Source Compiled MRI
Antonio Cangiano has again benchmarked all Ruby VMs, MRI 1.8 and 1.9.1, REE, JRuby, Rubinius, IronRuby and MagLev. The results show the steady improvement of the performance of all VMs - and a few surprising lessons of how the performance of MRI can vary.
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Ruby FFI Brings Native Library Access to JRuby, MRI
The Ruby FFI library allows to access native code loaded from shared libraries. Created for Rubinius, it was recently ported to JRuby, MRI (1.8 and 1.9). Ruby FFI 0.2.0 has now been released.
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RubyConf'08 Videos: Ruby VMs: Internals of YARV, Rubinius, MagLev
The videos from RubyConf '08 are available. We looked at the Ruby VM talks. Sasada Koichi, creator of the Ruby 1.9 VM, talks about the state of the VM, experiments with Ruby to C AOT, Ricsin and more. Evan Phoenix talks about the state of the Rubinius C++ VM. A detailed talk shows how MagLev is implemented. Also: MacRuby, JRuby, IronRuby, VM optimizations, RubySpec.