Sometimes, we start designing the class in the program itself. Later in the game, we learn that it would be great if we create this class out of the program and make it global. Thus we can make the class more reusable. We might think, why in the world we started with local class.

READ-ONLY is something different for the people who have worked on the OOP in the past. Like JAVA doesn’t have the read only addition. So, there is a hot discussion going on in SAP ABAP Objects world, why READ-ONLY is there and what is the purpose of it. Let’s unleash the READ-ONLY (and its power…

Today we will see how the constructor and class-constructor triggers at runtime. What is Constructor? Lets see what is CONSTRUCTOR and CLASS_CONSTRUCTOR CONSTRUCTOR Whenever we instantiate the object using the statement CREATE OBJECT statement, CONSTRUCTOR would be called. System creates an object before it calls the CONSTRUCTOR method. CLASS_CONSTRUCTOR This type of constructor is the…

In this post, we will see how we can implement the Views which will access the Controller and model which is encapsulated in the controller. This post is in continuation of previous post: First Demo Application – ALV For our first Application view will be ALV output. To get the data for the ALV into…

In this post, we will see how we can implement the MVC (Model-View-Controller) design pattern in ABAP using the Objects. If you have not read the previous discussion about MVC: , than I strongly recommond to read that before moving forward. Demo Application To implement the MVC, we will create two applications – One will…

Today we will discuss about the Design Pattern: Model-View-Controller, which is also very famous by its abbriviation MVC. By definition, MVC is to isolate the business logic from the User Interface which gives great degree of flexibility to change business logic independently to the user interface and vice versa. Basics of MVC In MVC, User…