SAP ABAP (Advanced Business Application Programming) is a programming language that runs in the SAP ABAP Training runtime environment, made and utilized by SAP for the improvement of application programs including Reports. Module Pool Programming. Interfaces. ABAP is one of the numerous application-explicit fourth-age dialects previously created during the 1980s. It was initially the report language for SAP R/2, a stage that empowered enormous organizations to fabricate centralized server business applications for materials the executives and monetary and the board bookkeeping. ABAP sets up reconciliation between autonomous programming.