Get Started with Your SAP ABAP Journey ($5700) · Snippets

Get Started with Your SAP ABAP Journey

Edited Feb 22, 2022

The language was known as ABAP/4 before SAP R/3 version 4.0. (It was a fourth-generation language, as indicated by the number 4.) Although the language preserves many of the most important fourth-generation language features, as well as preceding syntax and keywords, many object-oriented aspects have been added in order to make version 4.0B a fully functional object-oriented language.

SAP used the ABAP programming language to create all of the SAP R/3 business modules and applications, as well as the system administrative services. It allows customers and developers to tailor SAP functionality to match their own needs. ABAP programmes are built and maintained using the workbench tools discussed in previous sections.

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The business objects are kept in the ABAP Workbench's business object repository (BOR). Starting with version 4.x, the new ABAP, being an object-oriented language, incorporates technology ideas like as inheritance, encapsulation, and polymorphism to provide benefits such as lower maintenance costs and better code reuse. • The core ideas and features of the ABAP object-oriented programming language are the same as those of other object-oriented languages. The most important are as follows: • A business object, often known as an object, is a type of entity that has all of its properties, such as a customer, a business unit, or an account. Every thing has a distinct identity that sets it apart from others. • Object classes, or simply classes, describe the structure and interface definitions of the objects in a certain class. Classes can be used to group things with similar structures together (attributes, methods, events). Classes are frequently used to define objects. An instance of a class is a specific object belonging to that class.

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ABAP preserves some fourth-generation linguistic traits due to its roots and evolution, including:
• It is based on structured programming techniques that enable modular development and code reuse.
• Because it closely resembles standard English, ABAP programmes are easy to understand and grasp.
• Rather than being compiled, it is an interpreted language. This attribute allows you to test and run previous versions of programmes without having to build them all the time.
• It may be used for everything from simple report list programming (report programmes) to complex transaction processing (dialog programs).
• It integrates with the rest of the workbench tools, such
* [ ]   as the screen painter, menu painter, dictionary, and so on, to create a language based on events.
• It offers variables and data types declaration features that are comparable to those found in many programming languages.
Flow control elements,
operation elements, 
event components, 
and functions and subroutines that are controlled by a central library
• It contains a subset of standard SQL commands that offer transparent database table access independent of database system.
• It has several functions for working with and manipulating various data kinds, such as dates, strings, and floating-point numbers.
The ABAP object-oriented capabilities were introduced as a result of SAP's strategy and technology shift toward dealing with business objects, as well as the creation of Business Application Program Interfaces (BAPIs) under the Business Framework architecture.

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The business objects are kept in the ABAP Workbench's business object repository (BOR). Starting with version 4.x, the new ABAP, being an object-oriented language, incorporates technology ideas like as inheritance, encapsulation, and polymorphism to provide benefits such as lower maintenance costs and better code reuse.
• The core ideas and features of the ABAP object-oriented programming language are the same as those of other object-oriented languages. The most important are as follows:
• A business object, often known as an object, is a type of entity that has all of its properties, such as a customer, a business unit, or an account. Every thing has a distinct identity that sets it apart from others.
• Object classes, or simply classes, describe the structure and interface definitions of the objects in a certain class. Classes can be used to group things with similar structures together (attributes, methods, events). Classes are frequently used to define objects. An instance of a class is a specific object belonging to that class.

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• An object's attributes explain the item's current state and provide it with its characteristics.
• Methods are the activities that can be performed with the object, and they indicate the item's behaviour.
• Any event or state change on the system may be told or communicated to the object via events, allowing the system to react to such occurrences.
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