ABAP which his the acronym for Advanced Business Application Programming, is a fourth-generation computer programming language, that is used for the development and customization purposes in the SAP software. ABAP Currently is positioned together with the Java programming language, as the main language for the SAP Application Server Programming, most of the programs are executed under the control of the run-time system.

SAP ABAP, therefore, is a high-level language that is basically used to create and develop enterprise applications for large business and financial institutions on the SAP platform. A SAP ABAP system consist of a 3-tier client/server architecture. The Presentation Layer, The Application And The Database.

The Presentation layer is made up of any input device that can be used to manage and control the SAP system. This could either be a web browser, a mobile device and so on. All the central processing in its architecture takes place in the Application server. The Application server is not just one system on itself, but it could be many instances of the processing system. The server communicates directly with the Database layer that is usually stored on a separate server, this is mainly for performance reasons and also for security reasons. Communication happens between each layer of the system, starting from the Presentation layer down to the Database and then back up the top of the chain in a loop.

ABAP programs live inside the SAP database. They are being run under the control of the runtime system that is a part of the kernel of SAP. The run-time system processes all the ABAP statements while taking note of the flow logic and responding to user events and inputs.

The run-time system can be taken as a virtual machine, just similar to the Java virtual machine. A key part of the ABAP run-time system is the database interface that transforms database independent statements (or Open SQL) into the statements that can be understood by the underlying database (or Native SQL). SAP can run with a large number of different databases and the same ABAP program can run on all of those databases.

This course is designed for those who want to understand and learn the basics of SAP ABAP and grow in the field of software development.

Features Of SAP ABAP

There are lots of features of SAP ABAP and some of them are:

1. Data Types: SAP ABAP gives the programmer a very rich assortment of fixed length as well as variable-length data types.

2. Decisions: In SAP ABAP programs, decision making structures have one or more conditions to be evaluated and run or tested by the program, along with a statement or the statements that are to be executed and run, if the condition is evaluated to be true, and optionally, other statements to be executed, if the condition is evaluated to be false.

3. Macros: If we want to reuse the same set of defined statements more than once in a program, we need to include them in a macro. A macro definition in SAP ABAP only occurs before the macro is being used in the program.

4. Classes: SAP ABAP allows you to create a class to be used to define the form of an object and it merges data representation and methods for manipulating that data into one neat package. The data definitions and functions that are found in a class are called the members of the class.

Benefits Of SAP ABAP

There are lots of benefits of learning about SAP ABAP and some of them are:

1. SAP ABAP allows you to easily create programs using loops, module pools, branches, file handling, and scripting.

2. SAP lets you comprehend and understand the different data types, terminology, and dictionary concepts that are found in ABAP, including structures, tables, buffers, indexes, etc.

3. It lets you develop business-oriented applications that can help organizations increase their business and goals.

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