Proxy acts on behalf of some other objects. When working with Proxies, as name suggest, you work with another object rather than actual object. Lets checkout Proxy design pattern implementation in ABAP. What is a Proxy? Sometimes, you need to delay the instantiation of the object may be because its too costly to instantiate or…

Lets checkout how to apply different styles for cell, yes cell not the entire column. SALV object model does provide us the objects to achieve this.

In the previous post, you have seen how to implement Iterator design Pattern. It also raised the question about the usefulness in ABAP as in ABAP, you have Internal Tables. The ITAB can handle all type of collection of objects easily. So, lets try to go away from ITAB usage for this post to see…

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…

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….

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…