JRuby on Windows 7 – multiple versions

# JRuby folders
/c/Users/craig/jruby/jruby-1.6.5
/c/Users/craig/jruby/jruby-1.6.6.dev
/c/Users/craig/jruby/jruby-1.7.0.dev

# Java releases:
c\Program Files (x86)\Java\jdk1.6.0_29\bin
c\Program Files (x86)\Java\jdk1.7.0_02\bin

# Edit 3 Environment variables:

PATH
c:\Program Files (x86)\Java\jdk1.6.0_29\bin;
c:\Users\Craig\jruby\jruby-1.6.5\bin;

JAVA_HOME=”c:\\Program Files (x86)\\Java\\jdk1.6.0_29″
JRUBY_OPTS=”–1.9″

JRuby Snapshots

http://ci.jruby.org/snapshots/