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JRuby Prism - A new parser for a new era Thomas E. Enebo - Feb 23, 2024 Introduction JRuby has added support for the new backend parser Prism via the gem: jruby-prism-parser. Installing this gem will give you access to enable Prism (export JRUBY_OPTS="-Xparser.prism"). At this stage jruby-prism-parser is at the technology preview stage but capable of running pretty much everything: Rake, RSpec, Ru

Published by The JRuby Team on July 22, 2015 After years of work, we’re proud to announce the release of JRuby 9000! JRuby is an implementation of the Ruby programming language atop the Java virtual machine, bringing true parallelism, increased performance, and top-notch garbage collectors to the Ruby world. You can call into other JVM languages, deploy on Java servers, and take advantage of the m

Published by Charles Oliver Nutter on December 19, 2011 Unless you’ve been living under a rock, you’ve probably heard about the new hotness for JRuby: Java 7’s support for dynamic languages. You may also have heard about the huge perf gains that JRuby’s seeing when running on Java 7. How can you try it yourself? Get Java 7 The reference implementation for Java is OpenJDK, and OpenJDK 7 has been ou