# Ruby vs JRuby

**URL:** <https://www.ruby-forum.com/t/ruby-vs-jruby/115878>\
**Category:** Rails\
**Created:** [September 29, 2007, 6:52pm UTC](https://www.ruby-forum.com/t/ruby-vs-jruby/115878 "2007-09-29T18:52:54Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![CCH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/898d66/32.png) [@CCH](https://www.ruby-forum.com/u/CCH)\
**Post date:** [September 29, 2007, 6:52pm UTC](https://www.ruby-forum.com/t/ruby-vs-jruby/115878/1 "2007-09-29T18:52:54Z")

</div>

Hi

Aptana uses Ruby whilst Netbeans 6 uses jruby (but can default to  
ruby)

What is the difference ?

---

<div class="post-metadata">

**Author:** ![CCH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/898d66/32.png) [@CCH](https://www.ruby-forum.com/u/CCH)\
**Post date:** [February 27, 2015, 7:03am UTC](https://www.ruby-forum.com/t/ruby-vs-jruby/115878/2 "2015-02-27T07:03:52Z")

</div>

There are a lot of articles/posts discussing that very topic.  
Take a look here and follow some of the links described in the answer:

> <https://stackoverflow.com/questions/151595/jruby-on-rails-vs-ruby-on-rails-whats-difference/151726#151726>

## Thanks, Ariel

Sent from my mobile device. Please excuse any errors.

---

<div class="post-metadata">

**Author:** ![CCH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/898d66/32.png) [@CCH](https://www.ruby-forum.com/u/CCH)\
**Post date:** [September 29, 2007, 7:07pm UTC](https://www.ruby-forum.com/t/ruby-vs-jruby/115878/3 "2007-09-29T19:07:33Z")

</div>

On Sep 29, 2007, at 12:52 PM, CCH wrote:

> Aptana uses Ruby whilst Netbeans 6 uses jruby (but can default to  
> ruby)

JRuby is a java implementation of Ruby.

> **[Home — JRuby.org](https://www.jruby.org/)**
>
> JRuby is a high performance, stable, fully threaded Java implementation of the Ruby programming language.

Some differences are outlined here:

[http://jruby.codehaus.org/Limitations](http://jruby.codehaus.org/Limitations)

JRuby is a fast-moving project, so some of these differences may go  
away in the future.

-faisal