5.2. Scenarios for Web Services-Based Client Applications
Developers typically write clients to access preexisting Web services—that is, public or private Web services. At times, the same developers may simultaneously develop both the service and its clients. Regardless of this, client developers should rely on the WSDL service description for their knowledge of the service details. In addition, developers may use a variety of technologies and APIs for developing these clients. They may develop clients using J2EE technologies, often called J2EE clients, or they may use the standard Java (J2SE and J2ME) technologies, or even non-Java technologies.
Before delving into the details of client development, let's examine several Web service client scenarios. ...
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