Object Oriented Perl - First Steps

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There are some occasions when a new example that I write / a topic that comes up on a course results in an article that's so long that it doesn't fit into the Blog / short article format, but requires a more substantial mechanism.

And so it is for my First steps in Object Oriented Perl examples, written yesterday and taking you through how you can hold all the data about multiple things ("objects") of a type ("class") in a hash, and then access the data easily in it through Perl subs ("methods"). The example then went on to show you how you can define slightly different types of things and keep them all in the same list, with the program working out at run time which particular piece of code to run ("polymorphism") with the detailed logic or how to deal with the data hidden with ("encapsulated") the file that describes the class ("package / module").

So I'm just giving you a taster here (see the previous paragraph) and I have provided a longer article on Perl - First Object Steps in our separate Solutions Centre

Other popular Perl related articles in the solution centre include:

What makes a good variable name?
Getting the current currency exchange rates in your Perl program
If several people are using the same file at the same time ...
Having your .html pages run a Perl program
An overview of what we're expecting in Perl 6
(written 2008-11-01, updated 2008-11-02)

Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles

P213 - Perl - Creating your own Classes
  [4607] Classes and object - first steps in Perl 6 - (2016-01-02)
  [3833] Learning to use existing classes in Perl - (2012-08-10)
  [3098] Learning Object Orientation in Perl through bananas and perhaps Moose - (2010-12-21)
  [3059] Object Orientation in an hour and other Perl Lectures - (2010-11-18)
  [2969] What does blessing a variable in Perl mean? - (2010-09-24)
  [2877] Further more advanced Perl examples - (2010-07-19)
  [2834] Teaching examples in Perl - third and final part - (2010-06-27)
  [2169] When should I use OO techniques? - (2009-05-11)
  [1925] Introduction to Object Oriented Programming - (2008-12-06)
  [1664] Example of OO in Perl - (2008-06-03)
  [1435] Object Oriented Programming in Perl - Course - (2007-11-18)
  [1320] Perl for Larger Projects - Object Oriented Perl - (2007-08-25)
  [983] Blessing in Perl / Member variable in Ruby - (2006-12-14)
  [975] Answering ALL the delegate's Perl questions - (2006-12-09)
  [246] When to bless a Perl variable - (2005-03-15)
  [227] Bellringing and Programming and Objects and Perl - (2005-02-25)

Q906 - Object Orientation and General technical topics - Object Orientation: Individual Objects
  [4650] Why populate object with values as you construct them? - (2016-02-18)
  [4591] From single block to structure and object oriented programming - (2015-12-02)
  [4448] What is the difference between a function and a method? - (2015-03-04)
  [4021] Spike solution, refactored and reusable, Python - Example - (2013-02-28)
  [3721] Naming blocks of code, structures and Object Orientation - efficient coding in manageable chunks - (2012-05-06)
  [3436] Moving from scripting to Object Orientation in Python - (2011-09-13)
  [2651] Calculation within objects - early, last minute, or cached? - (2010-02-26)
  [2393] A first demonstration of OO, including polymorphism - (2009-09-04)
  [2173] Basic OO principles - (2009-05-11)
  [2171] Cleaning up redundant objects - (2009-05-11)
  [1543] Learning Object Oriented Principles (and perhaps Java) - (2008-02-17)
  [507] Introduction to Object Oriented Programming - (2005-11-27)

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Some other Articles

Liverpool - a friendly city
Domain Renewal Group
What a difference a day made
Debugging and Data::Dumper in Perl
Object Oriented Perl - First Steps
About dieing and exiting in Perl
Remember your units
Reactive (dynamic) formatting in Perl
Seven new intermediate Perl examples
Wiltshire at dawn - the tourist trail

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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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