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JAX 08: Ruby - Programming Language of the Future

by Thomas,
assono GmbH, Standort Kiel,

A picture named M2

Stefan Tilkov:
Ruby ? die Programmiersprache der Zukunft
(Ruby ? Programming Language of the Future)

Why Ruby?

Quick Intro

code examples...

comparison von Java code and Ruby code
to sort an array by lenght of elements

#{variableName} in string literals is
replaced by the variable's value

Metaprogramming with Ruby

Structures "Person", :first_name,
:last_name creates new class

Creating objects and classes by name

Kernel.const_get('String').new "Teststring"
creates String object

Test =

Indivual object methods

class << t1

object_method ...

Classes and constants

Runtime Definitions

Methods adding methods

Adding methods to existing classes like
String: (Re)opening classes

method_missing: Method called, when
a missing method is called, with name of called method as argument

short, declarative notation is "expanded"
to many method definitions

Ruby language implemenations

Ruby vs. other dynamic languages






Ruby: nice, concise, object-oriented

Killer feature: metaprogramming support

Killer framework: Ruby on Rails

Event Technical article JavaScript Other

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