ABAP Basics

Gunther Farber is a partner at NEXONTIS IT GmbH in Dusseldorf, Germany. He runs the development and consulting departments. During and after his IT studies, his reputation as a successful IT author helped to propel his career as an IT consultant and developer in numerous large projects at renowned companies and service providers. He began work in a startup company in 1997. In 2001, he and Julia Kirchner founded NEXONTIS IT GmbH. Julia Kirchner is a managing partner at NEXONTIS IT GmbH in Dusseldorf, Germany. She runs the research, training, and organization departments. During and after her IT studies, she worked as a developer in several projects at renowned banks and service providers. She began work in a management position in a startup company in 1999. In 2001, she and Gunther Farber founded NEXONTIS IT GmbH.

* ... Preface ... 11 * ... Introduction ... 13 * 1 ... Technical Overview and Getting Started in the System ... 19 * 1.1 ... Overview of SAP Software and Architecture ... 19 * 1.2 ... Notes for Setting Up Access to SAP Software ... 24 * 1.2.1 ... Regular System ... 25 * 1.2.2 ... Test Systems ... 26 * 1.3 ... Programmer s Checklist for Getting Started ... 27 * 1.4 ... Logon, Getting Started, and System Setup ... 32 * 2 ... Working with the Development Environ-ment: SAP Object Navigator ... 55 * 2.1 ... Getting Started with the SAP Object Navigator ... 59 * 2.2 ... Development Classes and Packages ... 68 * 2.3 ... Namespaces ... 72 * 2.4 ... First Program: Hello World REPORT, INCLUDE, and Application Menu ... 78 * 2.5 ... Online Help, help.sap.com, service.sap.com, and SAP Notes ... 105 * 3 ... Procedural Language Elements ... 117 * 3.1 ... Basic Commands and Fields WRITE, PARAMETERS, MOVE, SY Fields ... 120 * 3.2 ... Data and Data Types DATA, PARAMETERS, CONSTANTS, FIELD SYMBOLS, TYPE, CREATE, Text Elements ... 127 * 3.3 ... Structures and Internal Tables TABLE, MOVE-CORRESPONDING, INSERT, APPEND, READ, MODIFY, DELETE, LOOP ... 151 * 3.4 ... Subprograms and Functions FORM, FUNC-TION, EXCEPTIONS ... 163 * 3.5 ... Branches and Logical Expressions IF, CASE ... 183 * 3.6 ... Loops WHILE, DO ... 198 * 4 ... Defining and Managing Database Tables ... 205 * 4.1 ... Field Properties DATA ELEMENT, DOMAIN ... 207 * 4.2 ... Defining and Processing Database Tables SELECT, INSERT, UPDATE, DELETE ... 222 * 5 ... Screen Input and Output ... 243 * 5.1 ... Simple Input and Output Interfaces SELECTION SCREEN, SELECT-OPTIONS, CALL SELECTION SCREEN, SAP List Viewer ... 245 * 5.2 ... Complex Input and Output Interfaces Dynpros ... 278 * 6 ... Object-Oriented Language Elements ... 343 * 6.1 ... Classes and Objects CLASS, CREATE OBJECT, METHOD ... 345 * 6.2 ... Inheritance and Polymorphism INHERITING FROM, REDEFINITION ... 377 * 6.3 ... EVENTS ... 396 * 7 ... Practice Scenario Automated Accounting for Corporate Subsidiaries ... 421 * 7.1 ... Defining the Requirements and a List of Functions for the Application ... 422 * 7.1.1 ... List of Functions ... 424 * 7.1.2 ... Selection List ... 425 * 7.2 ... Software Architecture ... 427 * 7.3 ... Software Design ... 430 * 7.3.1 ... Rough Design ... 431 * 7.3.2 ... Detailed Design ... 435 * 7.4 ... Implementation ... 445 * 7.4.1 ... Dictionary Objects ... 445 * 7.4.2 ... Programs ... 451 * 7.4.3 ... Function Groups ... 453 * ... Appendices ... 477 * A ... Programming Guidelines and Tools ... 479 * A.1 ... Programming Guidelines ... 479 * A.2 ... Program Check Tools ... 489 * B ... Glossary ... 491 * C ... Sources and Literature Recommendations ... 495 * D ... The Authors ... 497 * ... Index ... 501