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SAP JCo Application Scenarios 
The following section describes the different implementation scenarios for the SAP Java Connector. The SAP JCo is generally used in two different ways: As an integrated component of an SAP technology component, or as a standalone tool that you can use to connect an external Java application to the ABAP environment of an SAP server.
· J2EE/ABAP Coupling in the SAP Web Application Server (integrated standard scenario)
· SAP JCo Scenario: SAP BC (integrated standard scenario)
· Displaying Invoices from the SAP System in the Web Browser (standalone scenario)
