March 2019 - Go Coding

March 31, 2019 OOABAP Barry Allen

Exception Class in SAP ABAP

371 Introduction To understand an exception class, we need to understand what is an exception and when it is raised. When we execute any program, some discrepancies can occur due to which a normal flow of execution gets interrupted and the behavior will not be the same as it was expected. That discrepancy is like […]

March 31, 2019 OOABAP Barry Allen

Local Classes in SAP ABAP

58 Introduction One of the flavors of ABAP classes (Global Classes) we have already discussed in the last article. Another flavor of ABAP class are Local Classes. The only difference between a local class & global class is visibility & accessibility. A local class can be accessed within that program only in which it is […]

March 30, 2019 SAP ERP Modules, SAP MM Barry Allen

What is SAP MM

76 Introduction : SAP MM is one of the modules of the SAP ERP system which deals with the logistics (Material management and inventory management) of the materials. It includes modules such as Sales and Distribution, Production Planning, Plant Maintenance, Project Systems and Warehouse Management. This module contains master data, system configuration and transactions to […]

March 27, 2019 OOABAP Barry Allen

Super Class in SAP ABAP

68 Introduction: One of the three pillars of OOABAP uses this concept of Super class to achieve ‘Inheritance’. Super class allows us to extend that class by creating a subclass of it. This subclass will have all the properties of a super class, plus it can have additional properties as well. Definition: A class which […]

March 27, 2019 OOABAP Barry Allen

Global Class in SAP ABAP

57 Introduction: From the reference of an article: SAP ABAP Classes we have discussed the flavors of ABAP Classes & we came to know that ABAP classes are available in two flavors, one of which is Global Class. The visibility section of the global class is always public, meaning all the ABAP programs in an […]

March 18, 2019 OOABAP Barry Allen

Singleton Class in ABAP

358 Introduction: Sometimes there is a need to instantiate an object at a time, that means only one instance is required at one point of time. This is a very common requirement while designing an application. To achieve such a scenario, there is one concept of ‘Singleton Pattern’ or ‘Singleton Class’ in OOABAP. This was […]

March 11, 2019 OOABAP Barry Allen

Abstract Class in SAP ABAP

261 Introduction: In simpler words, a class can be called as an abstract class, if it would contain at least one abstract method. Now, the question comes, what is an abstract method? An abstract method is a method which does not have an implementation. Now, a question will come to your mind, if a method […]

March 11, 2019 OOABAP Barry Allen

Final Class in SAP ABAP

192 Introduction: A class is said to be a ‘Final Class’ when it is no longer available for inheritance. Therefore, we won’t be able to inherit the properties or behavior of a final class. A final class does not have a subclass. However, if you don’t want to make a whole class final, and if […]

March 11, 2019 OOABAP Barry Allen

Friend Class in SAP ABAP

338 Introduction: In the previous article, we have discussed the classes, its components and the visibility of components. As per the visibility section, only public methods or attributes of a class are allowed to be used by some other classes. Now, what if we want to access non-public (protected or private) components (methods or attributes) […]

March 11, 2019 OOABAP Barry Allen

SAP ABAP Classes

263 Introduction: In the last article, we have learnt about the concepts and advantages of OOABAP through which we came to know that it mainly revolves around the classes & its object. The last article gives us the overview only, now it’s time to take a deep dive into the major concepts of OOABAP. Let’s […]

Month: March 2019