Posts tagged ‘Ruby’

JRuby – Java and Ruby: Concepts, Methods and Examples

JRuby logoJRuby is a Java implementation of the Ruby interpreter, being developed by the JRuby team.

JRuby is free software released under a three-way CPL/GPL/LGPL license.

JRuby is tightly integrated with Java to allow the embedding of the interpreter into any Java application with full two-way access between the Java and the Ruby code. (Compare Jython for the Python language.)

JRuby’s lead developers are Charles Nutter , Thomas Enebo Ola Bini and Nick Sieger. In September 2006, Sun Microsystems hired Enebo and Nutter to work on JRuby full time. In June 2007, ThoughtWorks hired Ola Bini to work on Ruby and JRuby.

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Continue Reading 23 July, 2008 at 16:39 3 comments

Groovy and Grails: Concepts, Examples and Methods

Groovy and GrailsGroovy is a language that has a syntax that’s similar to, yet simpler than, Java. It’s often referred to as a scripting/agile/dynamic language, but I would prefer to stay away from these adjectives as I feel they only end up confusing things. If Java is a wise middle-aged man, Groovy is his teenage son. Groovy has many of the old man’s characteristics but is a lot wilder and a lot more fun. Both of them also work together very well.

Groovy has a lot fewer rules than Java. For example, in Java to get the standard “Hello World” output, you need to write a class, a main method with proper arguments, and more. But in Groovy, if you don’t wish to write all the boilerplate code, you can get rid of the class definition and the main method and just write the one line of code that actually prints “Hello World.”

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Continue Reading 19 July, 2008 at 18:06 Leave a comment

Ruby and RoR Overview

Ruby is a dynamic, reflective, general purpose object-oriented programming language that combines syntax inspired by Perl with Smalltalk-like features. Ruby originated in Japan during the mid-1990s and was initially developed and designed by Yukihiro “Matz” Matsumoto.

Ruby supports multiple programming paradigms, including functional, object oriented, imperative and reflection. It also has a dynamic type system and automatic memory management; it is therefore similar in varying respects to Python, Perl, Lisp, Dylan, and CLU.

In its current, official implementation, written in C, Ruby is a single-pass interpreted language. There is currently no specification of the Ruby language, so the original implementation is considered to be the de facto reference. As of 2008, there are a number of complete or upcoming alternative implementations of the Ruby language, including YARV, JRuby, Rubinius, IronRuby, and MacRuby, each of which takes a different approach, with JRuby and IronRuby providing just-in-time compilation functionality.

Continue Reading 20 June, 2008 at 11:55 Leave a comment

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