Learn how senior SAP architects refactor legacy ABAP code using the Strangler Fig Pattern, characterization tests, and modern S/4HANA constructs. Practical guide with real code examples.
Master ABAP exception handling in SAP S/4HANA: class-based exceptions, layered error architecture, RAP integration, and anti-patterns every architect must avoid.
Master ABAP class-based exception handling in SAP S/4HANA. Learn to design a resilient, layered error architecture with real code examples for senior developers.
Master ABAP exception handling in SAP S/4HANA with a layered architecture: custom exception hierarchies, boundary patterns, chaining, and SLG1 logging.
Master CDS annotations, DCL access control, and metadata extensions in SAP S/4HANA. Practical patterns from a senior architect with real code examples.
Master ABAP RAP for SAP S/4HANA: behavior definitions, managed BOs, EML, draft handling, and unit testing — a senior architect’s practical guide.
Master ABAP RAP (RESTful Application Programming Model) with a senior architect’s guide: managed vs unmanaged, behavior definitions, draft handling, and working code examples.
Master the ABAP RESTful Application Programming Model (RAP) with real code examples, managed vs unmanaged patterns, and senior architect best practices for S/4HANA.
Master Factory, Observer, and Decorator patterns in ABAP OOP with real SAP S/4HANA code examples. Build extensible, testable systems like a senior architect.
Master the Observer pattern in ABAP OOP for SAP S/4HANA. Step-by-step implementation, real-world error handling, and clean code best practices for senior developers.
