This paper, based on the background of SP (service provider)industry in China, systematically introduces its current situation, and makes a through research on the construction of SP program models in the sequence of software engineering process, with the technology of CMPP and SISP(which use in my company). Moreover, this paper, based on the model construction, uses Java as its building language, and discusses the details of key technologies, such as polymorphism encapsulation, design pattern applying, etc. which will occur in the process of constructing sp systems.
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