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Introducing Forums..!

on November 21, 2011

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We are thrilled to introduce forums section on the site. Forums are accessible at: ABAP Forums. You can also find it in menus under Forums. You need to be member of the site in order to ask the questions and get back the solutions. Register and get all the benefits of sharing. We have also…

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Article

Abstract Pattern provides an interface for creating families of related or dependent objects without specifying their concrete classes. Inherited subclasses of the abstract super class would know which of the objects are required. Concept Before jumping into the demo, lets see the concept. This will help us to better understand how Abstract Factory can be…

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Recently, at one of my client’s place, I have to design a screen with lot of ALVs. When I started designing, I didn’t pay much of the attention to the fact that there could be a dependency between main ALVs and other sub-ALVs. Later in the design phase, I understood that this is a great…

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Article

The intent behind the Observer Design Pattern is to define a dependecy between objects so that when main object changes its state, all the dependent objects are notified. Its upto the dependent objects to update themselves or ignore the notification. Design time consideration In the main object, AKA Subject, create a Event. Also add create…

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Factory Method design pattern could be most used design pattern in the modern world application. Factory method design pattern hides all the complexity of the instantiating an object from the consumer.

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Decorator pattern gives us flexibility to extend the behavior of certain objects at runtime.

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