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Skills Gained
The delegate will learn to:
- Declare variables and initialise them
- Construct expressions with arithmetic, logical and relational operators
- Use iterative type statements
- Use conditional statements
- Read/write files
- Manipulate text using regular expression
- Use and create Ruby Objects
- Use built-in library functions
Who will the Course Benefit?
Programmers who need to write or maintain scripts in Ruby and projects based on Ruby.
Course Objectives
Knowledge of Ruby to write, modify, maintain and understand Ruby scripts.
Requirements
Familiarisation with programming concepts is useful, this knowledge can be obtained by attendance on the Concepts of Programming course.
Follow-On Courses
- Ruby on Rails
- Apache Web Server
- Introduction to MySQL
- Perl Programming
- PHP Programming
- PHP & MySQL for Web Development
- PHP Programming & MySQL for Web Development
NOTE: Course technical content is subject to change without notice.
Course Contents
Course Introduction
- Administration and Course Materials
- Course Structure and Agenda
- Delegate and Trainer Introductions
Session 1: INTRODUCTION TO RUBY
- What is Ruby
- What is it used for
- Installing Ruby?
- Ruby Basics - objects, regular expressions, arrays, hashes, Object Orientation
Session 2: RUBY LANGUAGE ELEMENTS
- Variables and constants
- Operators
- Assignments
- Integer, float and string formats
- Single and double quotes
- Here documents
- Labs
Session 3: CONTROL STRUCTURES
- Blocks and if statement
- Boolean and range operators
- Conditionals - if, unless, case
- Loops - while, for in, until
- break, next, retry and redo
- Labs
Session 4: CLASSES AND OBJECTS
- Objects, classes and methods
- Constructors and attributes
- Instance and class variables
- Local and global variables
- Class and object methods
- Including external files - load and require
- Labs
Session 5: INPUT AND OUTPUT IN RUBY
- Opening and closing files
- Reading from and writing to files
- Labs
Session 6: ARRAYS AND HASHES IN RUBY
- Arrays and hashes
- Building an array
- The %w shortcut
- Nesting arrays
- Hash keys
- Iterators
- Labs
Session 7: OBJECT ORIENTATION
- Inheritance
- Base classes and subclasses
- What's inherited
- Overriding
- Abstract classes
- Polymorphism
- Multiple Inheritances
- Class structure
- Visibility
- Labs
Session 8: CLASSES AND OBJECT SCOPING
- Public, private and protected visibility
- Singletons and defs
- Inheritance mixins
- Destructors and garbage collection
- Namespaces and modules
- Hooks
- Freezing objects
- Labs
Session 9: OBJECT ORIENTATION TECHNIQUES
- Clusters of classes
- Programming and method standards
- Formal Methods
- Unified Modelling Language (UML)
- Views
Session 10: STRINGS AND REGULAR EXPRESSIONS
- Meta Characters
- Anchors, literals, character groups and counts
- Matching in Ruby
- Modifiers i, o, x and m
- Pattern matching variables
- Labs
Session 11: SPECIAL VARIABLES AND PSEUDO-VARIABLES
- ARGV and $0
- Special variables
- Environment variables
- Pseudo-variables
- Reserved words in Ruby
- Labs
Session 12: EXCEPTIONS
- begin and end
- Raise and rescue
- Throw and catch
- labs
