Learn ABAP with Real Code Examples
Updated Nov 20, 2025
Architecture
Runs on SAP NetWeaver AS ABAP
Integrates with SAP modules and tables
Executes via SAP kernel and interpreters
Event-driven report and transaction handling
Object-oriented layer (ABAP Objects) on top of procedural core
Rendering Model
ABAP code executed in SAP NetWeaver AS ABAP
Interacts directly with SAP database and tables
Can call standard or custom function modules
Reports rendered in SAP GUI or ALV grids
Background jobs and workflows executed asynchronously
Architectural Patterns
Modular programs with function modules
OO development with ABAP Objects
Report and transaction-based processing
Workflow and event-driven automation
Interface via BAPI, IDoc, or RFC
Real World Architectures
ERP reports and dashboards
SAP S/4HANA Core Data Services
Workflow automation and approvals
Integration with external systems via RFC/BAPI
Forms generation (SmartForms/Adobe Forms)
Design Principles
ERP integration and business logic first
Strong typing with Data Dictionary objects
Event-driven and modular design
Support for batch and background jobs
Seamless integration with SAP modules and DB
Scalability Guide
Use internal tables efficiently
Leverage batch processing for large datasets
Avoid nested SELECTs inside loops
Modularize code for reuse
Design workflows to handle high transaction volume
Migration Guide
Convert legacy procedural ABAP to ABAP Objects where feasible
Adapt reports for S/4HANA CDS views
Move GUI-based programs to Fiori apps
Refactor monolithic programs into modular packages
Use ADT for modern development workflow