Course Overview

In Ruby Training course, you will learn the basics of the Ruby programming language, and then extend your knowledge to the Ruby object model, built-in classes, string and text handling, code testing, metaprogramming, and many more subtopics.

Course Content

Basic Ruby concepts and features

  • "Everything's an object"
  • Local variables and assignment
  • Top-level method definitions
  • Arithmetic and logical operators
  • Global variables
  • The default object (self)

Object orientation in Ruby

  • Messages and methods
  • Ruby's class model
  • Inheritance
  • The object method lookup-path

Classes and modules

  • Class methods
  • Constants
  • Module "mix-ins" in classes
  • Modules as namespaces
  • Instance method definition syntax
  • Reopening class and module definitions
  • Overriding methods

Instances and attributes

  • Instance variables
  • Attribute setter and getter techniques
  • Ruby and the "Equal Access Principle"

Strings, symbols, and regular expressions

  • Basic string manipulation and indexing
  • Symbols and the symbol table
  • Regular expression syntax
  • Pattern-matching with scan, sub, and match

Collection objects and iterators

  • Array, Hash, and Range classes
  • Code blocks and iteration
  • Creating iterators with the Enumerable module
  • Collection filtering, selecting, and transforming
  • Enumerators and external iteration

Object dynamism

  • Adding singleton methods to objects
  • Modular extension of per-object behavior
  • Singleton classes
  • Extending existing classes


  • Starting, running, stopping threads
  • Threads and variable scope
  • Thread-safety considerations

Lambda and function objects

  • Creating first-class functions
  • Lambda argument semantics
  • Variable scope and closures
  • Block, Proc, lambda interaction


  • The eval family of methods
  • Programmatic method creation
  • Runtime reflection on objects
  • Traversing ObjectSpace
  • method_missing and other hooks and callbacks

Exception handling

  • The Exception class hierarchy
  • Raising exceptions
  • Rescue and ensure clauses
  • Writing your own exception classes

File and I/O operations

  • Keyboard input and screen output
  • Basic file reading and writing
  • File handles as iterators
  • Low-level I/O techniques

Date, time, and numeric types

  • Date, Time, and DateTime classes
  • Date calculation and parsing
  • Integers and floating-point numbers

The standard library

  • StringIO hybrid objects
  • Struct and OpenStruct
  • Math extensions
  • FileUtils and Pathname
  • Socket and network programming facilities
  • Administrative and system libraries

Testing in Ruby

  • Unit testing principles
  • The MiniTest and TestUnit libraries

Ruby tools

  • Interactive Ruby (irb)
  • Embedded Ruby (erb)
  • The RubyGems packaging system
  • Rake task management utility

Customer Reviews

Thanks to Xpertised and the tutor who walked me through all the topics with Practical exposure which is helping me in my current project.

Course was quite helpful in terms of understanding of concepts and practicality. Its really a very friendly environment to learn. The timing were mutually chosen, as we both are working professional. I am quite satisfied with the course.


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