ABAP Objects, English edition, w. DVD-ROM

Foreword 19

1. Introduction 23
1.1 What Is ABAP? 23
1.2 The Objective of This Book 40
1.3 How Can I Use This Book on a Practical Level? 48

2. A Practical Introduction to ABAP 53
2.1 Functionality of the Sample Application 54
2.2 Getting Started with the ABAP Workbench 54
2.3 Packages 60
2.4 Database Tables 68
2.5 Creating an ABAP Program 82
2.6 Implementing the Auxiliary Program 91
2.7 User Dialog 99
2.8 Application Logic 110
2.9 Summary 135
2.10 Using the Keyword Documentation 136

3. Basic Principles of ABAP 141
3.1 ABAP and SAP NetWeaver 141
3.2 ABAP Program Organization and Properties 152
3.3 Source Code Organization 167
3.4 Software and Memory Organization of AS ABAP 171

4. Classes and Objects 177
4.1 Object Orientation 177
4.2 Object-Oriented Programming in ABAP 180
4.3 Classes 182
4.4 Attributes and Methods 191
4.5 Data Types as Components of Classes 200
4.6 Objects and Object References 202
4.7 Constructors 213
4.8 Local Declarations of a Class Pool 219
4.9 Using ABAP Objects on the AS ABAP 221
4.10 Summary and Perspective 224

5. Basic ABAP Language Elements 225
5.1 Data Types and Data Objects 225
5.2 Operations and Expressions 273
5.3 Control Structures 298
5.4 Processing Character and Byte Strings 303
5.5 Internal Tables 318

6. Advanced Concepts in ABAP Objects 341
6.1 Method Interfaces and Method Calls 345
6.2 Inheritance 359
6.3 Standalone Interfaces 381
6.4 Object References and Polymorphism 402
6.5 Events and Event Handling 422
6.6 Shared Objects 433

7. Classic ABAP—Events and Procedures 449
7.1 Event-Oriented Program Execution 451
7.2 Procedural Modularization 460

8. Error Handling 479
8.1 Robust Programs 479
8.2 Exception Handling 481
8.3 Assertions 509

9. GUI Programming with ABAP 513
9.1 General Dynpros 515
9.2 Selection Screens 615
9.3 Classical Lists 645
9.4 Messages 666
9.5 Web Dynpro ABAP 671

10. Working with Persistent Data 705
10.1 Database Accesses 706
10.2

Dr. Horst Keller works in the NetWeaver Developer Tools ABAP group at SAP. As Knowledge Architect he is responsible for documentation and roll-out relating to ABAP and ABAP Objects. He also oversees the programs for preparing and presenting the ABAP documentation including the relating search algorithms.