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....

IAP GmbH, leading OpenEdge consulting and programming service company in Germany signed agreement for close cooperation with Baltic Amadeus. According to the agreement, both companies will unite their knowledge, experience and resources to implement large business projects....