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Template Method Design Pattern in Delphi. A working example

Yanniel's notes – The Template Method Pattern is very easy to understand and implement. Here’s the definition borrowed from Design Patterns: Elements of Reusable Object-Oriented Software book:“Define the skeleton of an algorithm in an operation, deferring some steps to subclasses. Template Method lets subclasses redefine certain steps of an algorithm without changing the algorithm's structure.”Let’s try to understand the pattern walking through a simple example. For implementing the solution we’ll use Delphi XE, but it should work for previous versions as well.This is the wording of the example: Design an ...
Favorite? Off-Topic? Yanniel @ 2011-07-20 13:58

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