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Object Oriented Perl - First Steps
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[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 [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)
Some other Articles
Liverpool - a friendly cityDomain 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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