ABAP Basics

Kurzbeschreibung:

Welcome to the programming world of SAP! In this newly revised and updated book, you will become acquainted with the most important and commonly used ABAP commands and terminology. Updated for ABAP version 7.0, you will find all of the typical tasks and issues that a programmer faces within the fast-paced SAP environment, which will help you to write your own ABAP application. This book will further your understanding of the programming world by guiding you through a real-life scenario as applied to every step you learn in the text, along with providing actual screen images and concrete, easy-to-understand instructions.

Klappentext:

In its newly revised and updated second edition, ABAP Basics is an ideal companion on your journey towards your first working ABAP applications. Whether you are already familiar with another programming language or ABAP is your first, this book provides you with comprehensive and structured basics on programming business-critical software. Get to know all relevant programming concepts and methods from scratch and implement them based on a holistic, real-life example. Procedural and object-oriented language elements are presented with step-by-step instructions, screenshots, and tried-and-tested tips. With every chapter, this book extends the sample application so that you are able to reproduce a comprehensive ABAP application with all its details.
1 Introduction to ABAP Programming
Get to know the most important ABAP statements and concepts of object orientation in order to write your first functional applications.
2 Language Requirements
Learn the programming language of SAP, while understanding the connections between ABAP programming and other programs.
3 Standard Solutions
Read about typical problems and their solutions, while referencing solution screenshots and step-by-step instructions.
4 Latest Updates
Explore updated content, such as a new overview to SAP software and architecture, as well as updated references to terminology, source references, and programming errors.
5 Practice Scenario
Use the practice scenario provided in this book to embark on a real-life programming project.
Highlights Include Object Navigator Procedural Language Elements Database Access User Interface and Screen Input/Output Object-Oriented Language Elements Software Architecture and Software Design SAP Programming Guidelines and Tools

Inhaltsverzeichnis:

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
1.3 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 Branchesand 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
7.2 Software Architecture 427
7.3 Software Design 430
7.4 Implementation 445
Appendices 477
A Programming Guidelines and Tools 479
B Glossary 491
C Sources and Literature Recommendations 495
D The Authors 497
Index 501

Themen:

• ABAP Objects

Verwandte Themen:

• ABAP
• SAP
• Web Dynpro
• SAP NetWeaver
• SAP Business Server Pages
• Web Dynpro ABAP
• UML (Unified Modeling Language)
• Objektorientierung
• Objektorientierte Programmierung