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Mastering SAP ABAP

You're reading from   Mastering SAP ABAP A complete guide to developing fast, durable, and maintainable ABAP programs in SAP

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Product type Paperback
Published in May 2019
Publisher Packt
ISBN-13 9781787288942
Length 548 pages
Edition 1st Edition
Languages
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Authors (4):
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Wojciech Ciesielski Wojciech Ciesielski
Author Profile Icon Wojciech Ciesielski
Wojciech Ciesielski
Philipp Deth Philipp Deth
Author Profile Icon Philipp Deth
Philipp Deth
Paweł Grześkowiak Paweł Grześkowiak
Author Profile Icon Paweł Grześkowiak
Paweł Grześkowiak
Wojciech Ćwik Wojciech Ćwik
Author Profile Icon Wojciech Ćwik
Wojciech Ćwik
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Toc

Table of Contents (19) Chapters Close

Preface 1. Creating Custom Code 2. The Basic Structure of ABAP FREE CHAPTER 3. Database Access in ABAP 4. Import and Export to Document Formats 5. Exposing Data to Print Forms 6. ABAP and XML 7. Building User Interfaces 8. Creating Stunning UI5 Interfaces 9. Business Object Processing Framework 10. Modification and Customization Techniques 11. Handling Exceptions in ABAP 12. Testing ABAP programs 13. Advanced Techniques in ABAP Objects 14. Integrating SAP with Third-Party Systems 15. The Background Processing of ABAP Programs 16. Performance and Optimization of ABAP Code 17. Assessments 18. Another Book You May Enjoy

Best practice techniques

Using best practices allows the programmer to create modern code. Programs become optimal and the product life cycle is extended. This part of the chapter will describe techniques that help create high-quality code.

The first topic is the proper naming of all objects while creating and modifying business processes. The exact rules are described in this book in previous chapters. Using an appropriate naming makes it easier in the future to expand programs and look for errors in them.

The next point is to clean variables using the clear function. A program that has been used many times may not always return the variables to the correct state. Clearing the content allows you to be sure that incompatible data will not be transmitted. After many operations, such as reading from the database or reading the table, check the sy-subrc system variable. If it is...

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