Objective
Knowledge of Ruby to write, modify, maintain and understand Ruby scripts.
The delegate will learn to:
- Declare variables and initialise them
- Construct expressions with arithmetic, logical and relational operators
- Use iterative loops statements
- Use conditional controls
- Read/write of files
- Manipulate text using regex
- Use and create Ruby Objects
- Use built-in library functions
Introduction to Ruby
- What is Ruby
- What is it used for
- Installing Ruby?
- Ruby Basics - objects, regular expressions, arrays, hashes, Object Orientation
Ruby Language Elements
- Variables and constants
- Operators
- Assignments
- Integer, float and string formats
- Single and double quotes
- Here documents
- Labs
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
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
Input and Output in Ruby
- Opening and closing files
- Reading from and writing to files
- Labs
Arrays and Hashes in Ruby
- Arrays and hashes
- Building an array
- The %w shortcut
- Nesting arrays
- Hash keys
- Iiterators
- Labs
Object Orientation
- Inheritance
- Base classes and subclasses
- What's inherited
- Overriding
- Abstract classes
- Polymorphism
- Multiple Inheritances
- Class structure
- Visibility
- Labs
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
Object Oriented Techniques
- Clusters of classes
- Programming and method standards
- Formal Methods
- Unified Modelling Language (UML)
- Views
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
Special Variables and Pseudo-Variables
- ARGV and $0
- Special variables
- Environment variables
- Pseudo-variables
- Reserved words in Ruby
- Labs
Exceptions
- begin and end
- Raise and rescue
- Throw and catch
- labs
