Object-Oriented Perl

Course Description

This three-day course addresses the Object-Oriented features of Perl and provides students with the knowledge to create Object-Oriented Perl scripts.
3 days
Contact us for pricing
 

Prerequisites

Programming experience in a structured language, such as C, C++, Java, or COBOL, is required as well as an in-depth knowledge of the Perl language.

Perl Essentials Review

Topics Not Reviewed (But Essential to Understand OOP in Perl)
References
Advanced Data Types
Typeglobs
Packages
Modules
Additional Resources

OO Primer

Introduction to OOP in Perl
Objects
Methods
Classes
Additional OO Terminology
Additional Resources

OO In Perl Essentials

The Basis of OOP in Perl
Class Creation
Method Creation
Object Creation
Calling Methods
Constructors
Accessors
Mutators
Affordances
Class Data
Class Modules
Using AUTOLOAD
Destructors
Additional Resources

Using Bless on Arrays and Scalars

Why Use Other Data Types?
Blessing Arrays
Pseudo-Hashes
Blessing Scalars
Additional Resources

Using Bless on REs, Subroutines and Typeglobs

Blessing Things Other Than Variables
Blessing Regular Expressions
Blessing Subroutines
Blessing Typeglobs
Additional Resources

Inheritance

Overview of Inheritance in Perl
Determining a Method’s Location
The @ISA Array Works
Inheritance in Other Languages
Perl “Built-In” Methods
Handling DESTROY Methods with Inheritance
The SUPER Class
Abstract Methods
Polymorphism
Additional Resources

Automating Class Creation

Automating Class Creation Essentials
Using Class::Struct to Crate Classes
Using Arrays Instead of Hashes
Attribute Types
Other Tools to Create Classes
Additional Resources

Ties

What are Ties?
Making a Tied Scalar
Making a Tied Array
Making a Tied Hash
Making a Tied Filehandle
Ties and Inheritance
Additional Resources

Installing CPAN Modules

Introduction to the Concept of Overloading
Using overload.pm
How Your Overload Subroutines Will Be Called
Magic Autogeneration
Fallback
Additional Resources

Encapsulation

Overview of Encapsulation
Private Identifiers
Using Closures to Enforce Encapsulation
Other Methods of Encapsulation
Additional Resources

Perl