Ruby is closely integrated with Java to allow embedding of the interpreter into any Java application with dual access between the Java environment and the Ruby scripts.
jRuby it's platform independent and has built-in support for Rails, RSpec, Rake, and the RubyGems frameworks.
Here are some key features of "jRuby":
· Platform independent
· Easy to install and migrate
· Documentation
· High performance environment
· Threading
· Works with Ruby 1.8.7 & 1.9.2
What's New in This Release: [ read full changelog ]
· Many IO and encoding issues fixed
· Transcoding support for :xml entity encoding
· Proc and block dispatch perf improvements
· Fiber and Enumerator#next improvements and fixes
· Fixed a regression in windows java native launcher
· Experimental Ruby 2.0 support (most features and stdlib included)
· 90%+ complete Ripper support
· OpenSSL fixes and updated to newer Bouncy Castle library
· Updates and fixes to FFI subsystem (compat with C ext, AIX support, etc)
· Long running regexp can be interrupted by Thread#kill and raise