Supports synchronous, transactional, queued and background RFC (sRfc, tRfc, qRfc, bgRfc protocols).Supports inbound (Java client calls BAPI or RFM) and outbound (ABAP calls Java server) RFC communication.Supports R/3 3.1I and higher releases (and other SAP components that have BAPIs or RFMs).High performance JNI-based RFC middleware.The SAP JCo supports both communication directions: inbound Remote Function Calls (Java calls ABAP) as well as outbound Remote Function Calls (ABAP calls Java).īenefits of the SAP Java Connector for building SAP-enabled Java applications: The SAP Java Connector (SAP JCo) is a development library that enables a Java application to communicate with SAP systems via SAP's RFC protocol.