Free Programming Tutorials

One key to designing a web service is determining what informationa client and server will pass back and forth on the wire. Thisprocess has two stages. First, you need to develop an abstract notionof what data needs to be exchanged, e.g., an Invoice, an Itinerary,etc. Then you need to design a concrete XML representation of thatabstract data; should a customer’s name be an element or anattribute. There are two very different ways to accomplish the secondstep. One is to focus on the structure of 
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