Book Image

Mastering SAP ABAP

By : Paweł Grześkowiak, Philipp Deth, Wojciech Ciesielski, Wojciech Ćwik
Book Image

Mastering SAP ABAP

By: Paweł Grześkowiak, Philipp Deth, Wojciech Ciesielski, Wojciech Ćwik

Overview of this book

Advanced Business Application Programming (ABAP) is an established and complex programming language in the IT industry. This book is designed to help you use the latest ABAP techniques and apply legacy constructions using practical examples. You'll start with a quick refresher on language and database concepts, followed by agile techniques for adding custom code to a modern ABAP system. After this, you will get up to speed with the complete ABAP toolset for importing data to and from different environments. Next, you'll learn how to print forms and work with the different ABAP tools for Extensible Markup Language (XML) manipulation. While covering further chapters, you'll gain insights into building stunning UI5 interfaces, in addition to learning how to develop simple apps using the Business Object Processing Framework (BOPF). You will also pick up the technique of handling exceptions and performing testing in ABAP. In the concluding chapters, you can look forward to grasping various techniques for optimizing the performance of programs using a variety of performance analysis tools. By the end of this book, you will have the expertise you need to confidently build maintainable programs in Systems, Applications, and Products (SAP).
Table of Contents (19 chapters)

Advanced Techniques in ABAP Objects

Object-oriented programming (OOP) refers to the process of programming by defining objects, which combines state and behavior (combined data and procedures—in this case, methods). An object program is created as a collection of these objects, which communicate with each other. This approach is different than procedural programming, where data and procedures are not connected. OOP is useful when writing application and code maintenance. With OOP, you can use the same piece of code (a method) in order to program actions that are repeated in the code.

The biggest asset of OOP is its compatibility with the human brain's way of perceiving things, which naturally combines objects with actions.

We will cover the following topics in this chapter:

  • Technical requirements
  • The creation of global and local classes in ABAP...