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421 Pages·2008·9.25 MB·English

TAW12_1
ABAP Objects and Application
Areas
SAP NetWeaver
Date
Training Center
Instructors

Education Website
Participant Handbook
Course Version: 63
Course Duration: 5 Day(s)
Material Number: 50090660
An SAP course - use it to learn, reference it for work
Copyright
Copyright©2008SAPAG.Allrightsreserved.
Nopartofthispublicationmaybereproducedortransmittedinanyformorforanypurposewithoutthe
expresspermissionofSAPAG.Theinformationcontainedhereinmaybechangedwithoutpriornotice.
SomesoftwareproductsmarketedbySAPAGanditsdistributorscontainproprietarysoftware
componentsofothersoftwarevendors.
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(cid:127) ORACLE®isaregisteredtrademarkofORACLECorporation.
(cid:127) INFORMIX®-OnLineforSAPandINFORMIX®DynamicServerTMareregisteredtrademarks
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About This Handbook
This handbook is intended to complement the instructor-led presentation of this
course,andserveas asourceofreference. It is notsuitableforself-study.
Typographic Conventions
American English is the standard used inthis handbook. Thefollowing typographic
conventions are also used.
Type Style Description
Example text Words or characters that appear on the screen. These
includefieldnames,screentitles,pushbuttonsaswellas
menu names, paths, and options.
Also used for cross-references to other documentation
both internal (in this documentation) and external (in
other locations, such as SAPNet).
E xa m ple tex t E m pha siz ed wo rds or ph ras es in b od y t ext , tit les of
graphics, and tables
EXAMPLE TEXT Namesofelementsinthe system. Theseincludereport
names,programnames, transaction codes, tablenames,
and individualkey words of aprogramming language,
when surrounded by body text, for example SELECT
and INCLUDE.
Example text Screen output. This includes file and directory names
and their paths, messages, names of variables and
parameters,andpassagesofthesourcetextofaprogram.
Example text Exactuserentry. These are words and characters that
you enter in the system exactly as they appear in the
documentation.
<Example text> Variable userentry. Pointed brackets indicate thatyou
replace these words and characters with appropriate
entries.
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2008 © 2008 SAP AG. All rights reserved.
AboutThisHandbook TAW12_1
Icons in Body Text
The following icons are used in this handbook.
Icon Meaning
Formoreinformation,tips,or background

Noteorfurtherexplanation ofprevious point
Exception or caution
Procedures
Indicates that the item is displayed in the instructor's
presentation.

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© 2008SAPAG. Allrights reserved. 2008
Contents
Course Overview ............................................................................. vii
Course Goals.................................................................................vii
Course Objectives..........................................................................viii

Unit 1: Introduction to Object-Oriented Programming ................................1
The Object-Oriented Programming Model ................................................3
Analysis and Design with UML............................................................ 15
Fundamental Object-Oriented Syntax Elements ....................................... 37
Unit 2: Object-Oriented Concepts and Programming Techniques...............101
Inheritance and Casting...................................................................103
Interfaces and Casting....................................................................145
Events.......................................................................................184
Unit 3: Object-Oriented Repository Objects ..........................................225
G lob al Cla ss es an d I nte rfa ce s.. ... ... ... .... ... ... .... ... ... .... ... ... ... .... ... ... .... .22 7
Special Object-Oriented Programming Techniques...................................266
Unit 4: Class-Based Exception Concept...............................................291
Class-Based Exceptions..................................................................292
Unit 5: Shared Objects .....................................................................327
Shared Objects ............................................................................328
Unit 6: Dynamic Programming ...........................................................361
Dynamic Programming with Field Symbols and References ........................362
Runtime Type Services ...................................................................381
Index............................................................................................405
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2008 © 2008 SAP AG. All rights reserved.
Contents TAW12_1

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© 2008SAPAG. Allrights reserved. 2008
Course Overview
This two-week training course provides a comprehensiveand detailed introduction
to the basic principles ofprogramming ABAP objects. You will also learn how to
make specialized changes to theSAP standard system. Furthermore, you will find
outhow to evaluatethedifferentmethods formodification and choosetherightone

for thegiven situation. Web Dynprois SAP's state-of-the-art technologyforcreating
applicationuserinterfaces(UIs). Thiscourseexplains in detailhowto developABAP
Web-Dynpro-based applications.
Target Audience
This courseis intended for the following audiences:
(cid:127) Development consultants who are responsible for adapting and developing
ABAP/ABAP Objects programs
Course Prerequisites
Required Knowledge

(cid:127) TAW10 (ABAP Workbench Fundamentals)
(cid:127) Included in booking: TAW11 E-Learning (ABAPDetails)
Recommended Knowledge
(cid:127) BC410 -Programming User Dialogs with Dynpro
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2008 © 2008 SAP AG. All rights reserved.
CourseOverview TAW12_1
Course Goals
This course will prepare you to:
(cid:127) Usefundamentalelements ofobject-oriented modeling in UML
(cid:127) Create ABAP Objects programs that contain all useful object-oriented
programming techniques
(cid:127) Usetherelevant tools to create object-oriented Repository objects

(cid:127) Describe and use the application areas of ABAP Objects
(cid:127) Define, raise, and handle class-based exceptions
(cid:127) Query type and class attributes at runtime
(cid:127) Make specialized changestothe SAP standard system
(cid:127) Evaluate the differentmethods for modification and choose therightone for
any given situation
(cid:127) Explain thearchitecture ofa Web Dynpro component
(cid:127) Describe the parts of a Web Dynpro controller
(cid:127) Create context elements in the Web Dynpro controller
(cid:127) Explain how to implement navigation and data transfer in and between Web
Dynpro components
(cid:127) Define the UI of a Web Dynpro component

(cid:127) Internationalize a Web Dynpro application.
(cid:127) Define and send messages in aWeb Dynpro component
(cid:127) DefineinputhelpandsemantichelpforUIelementsinaWebDynprocomponent
Course Objectives
After completing this course, you will be able to:
(cid:127) Usefundamentalelements ofobject-oriented modeling in UML
(cid:127) Create ABAP Objects programs that contain all useful object-oriented
programming techniques
(cid:127) Usetherelevant tools to create object-oriented Repository objects
(cid:127) Describe and exploittherangeofapplications ofABAPObjects
(cid:127) Define, raise, and handle class-based exceptions
(cid:127) Query type and class attributes at runtime
(cid:127) Make specialized changestothe SAP standard system
(cid:127) Evaluate the differentmethods for modification and choose therightone for
any given situation
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© 2008SAPAG. Allrights reserved. 2008
TAW12_1 Course Overview
(cid:127) Explain thearchitecture of aWeb Dynpro component
(cid:127) Describe the parts of aWeb Dynpro controller
(cid:127) Createcontext elements in the Web Dynpro controller
(cid:127) Explain how navigation and data transfer in and between Web Dynpro
components can be implemented
(cid:127) Define the UI of a Web Dynpro component
(cid:127) Internationalize a Web Dynpro application
(cid:127) Defineand send messages in a Web Dynpro component
(cid:127) DefineinputhelpandsemantichelpforUIelementsinaWebDynprocomponent
SAP Software Component Information
The information in this coursepertains to thefollowing SAPSoftwareComponents
and releases:
(cid:127) SAP NetWeaver Application Server 7.0
(cid:127) SAP Web Application Server 6.20

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2008 © 2008 SAP AG. All rights reserved.
CourseOverview TAW12_1

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© 2008SAPAG. Allrights reserved. 2008