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This years PUG organised by the Finland Progress User Group took place between Helsinki and Saint-Petersburg, on board the Ferry Princess Anastasia. While we crossed the Gulf of Finland, the participants gathered at the assembly hall in the belly of the ship...

In a larger project design patterns help to keep the code reusable, readable, and to avoid problems in the long term. E.g. using the "Builder Pattern" allows changing and adding parameters of often used objects late in a project.
This article will describe how to implement some of the patterns in OpenEdge Object Oriented ABL – shortly named OO ABL. The chosen patterns are very common and often used. The view to the patterns is driven by daily, practical work....