Social Coding With JRuby

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Social Coding With JRuby

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http://www.ﬂickr.com/photos/elana/3145561746/

@june29 @sora_h

@nari3 @jugyo

@xibbar @arton

@conceal_rs @nahi

http://www.tbray.org/ongoing/When/200x/2007/06/19/Tokyo-Drinking

http://www.tbray.org/talks/RW09.pdf

http://www.tbray.org/talks/RW09.pdf

http://www.ﬂickr.com/photos/koichiroo/6203078982

Started in 2002

Rails 1.8.6 100% compatible 1.8.7 100% compatible 1.9.2 compatible
...

require ‘java’

require ‘ant-1.8.2.jar’
=> true
java_import org.apache.tools.ant.Target
=> Java::OrgApacheToolsAnt::Target
p Target
=> Jav...

h = java.util.HashMap.new
h.isEmpty
h.is_empty
h.is_empty?
h.getForNullKey
h.for_null_key

$h.put ‘ujihisa’, ‘married! congrats!’ rh = a.to_hash => {"ujihisa"=>"married! congrats!"} rh.to_java$

java.lang.Thread.new do
puts “Thread”
end.start

% jirb
irb(main)> JRUBY_VERSION
=> “1.6.5”

Scripting Java

1.6.5(2010.10.25)

1.7.0-dev

both 1.9 and 1.8 are supported

gem install redcar
redcar install

Development of JRuby

bugs.jruby.org
user
ci.jruby.org

...

@tom_enebo @headius

@nicksieger @hiro_asari

@nahi subbuss

@yokolet @vsizikov

JRuby is developed by Java.

- Thomas E.Enebo -
http://www.atmarkit.co.jp/news/200705/10/jruby.html

http://www.ﬂickr.com/photos/revcyborg/5228173/

http://github.com/jruby/jruby

Fork

% git clone git@github../jruby.git
% git checkout -b foo_branch
...
% git add foo
% git commit -m “foo bar”
% git ...

http://jira.codehaus.org/browse/JRUBY-5969

Pull Request!!!

Pull request

http://www.ﬂickr.com/photos/koichiroo/6203136064

Iʼm a contributor

http://www.ﬂickr.com/photos/npobre/2601582256/

http://www.ﬂickr.com/photos/busy-pochi/5170100206/

RubyKaigi2007

- 35
http://jp.rubyist.net/magazine/?0035-ForeWord

https://twitter.com/#!/shugomaeda/status/134023660305514496

- 35
http://jp.rubyist.net/magazine/?0035-ForeWord

http://www.ﬂickr.com/photos/revcyborg/5228173/

be connected to the world