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Recently I have discovered very interesting feature in Java. Below I will try to compare this with what ABAP can do about it. Quick jump in Overriding a method in ABAP and Java is simple. In the former we use REDEFINITION keyword in a subclass, in the latter we rewrite method with the same signature…

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Check out the Iterator design pattern implementation in ABAP Objects – another behavioral design pattern. What is an Iterator ? Iterator design pattern is to provide a way to access the underlying object collection without exposing the underlying representations. Iterator decouples the logic to access the collection of objects out of the Collection object itselft….

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Composite allows clients to access individual object and composition objects in uniform way. What is Composite? Clients needs to work with hierarchical collection of objects – both “Primitive” and “Composite” objects. Primitive (individual) objects processing would be handled differently than the Composition of the objects. So, we will compose a tree structure which would contain…

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Adapter design pattern, another widely used design pattern in the real world as well as the Object Oriented Programming language. Standard SAP developments build in OO ABAP also uses Adapter DP a lot. What is Adapter Adapter converts the objects which are incompatible due to the difference in the “Interface”. By implementing Adapter, we can…

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Lets check out one of the simple and most used Design Patterns in Object oriented programming – Facade or Façade (Pronounce as /fəˈsɑːd/) in ABAP.

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Many times, I have received the request to disable Delete Function on Attachment list of the Generic Object Services (GOS) in SAP. Option in question This delete option on the GOS attachment list, is in the question. Authorization Object S_GOS_ATT Authorization object S_GOS_ATT was introduced in recent support pack releases. Check out the OSS Note…

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