Chapter 5 includes several simple examples of accessing data within an SAP system from a Java program using the classes provided in the Java packages com.sap.rfc and com.sap.rfc.exception. These two packages contain all the classes that are used in connecting a Java program to SAP. This chapter goes through the details for this process and describes how to set up basic applications that interact with an SAP system. Comprehensive information on every class and interface in these packages is provided in Chapters 19 and 20.
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