Why XML Is Important in J2EE
The popularity of XML emphasizes one important point: People (and applications) need to exchange data. If not, why would anyone care about a standard way to represent data? You might not need XML to exchange recipes with your next-door neighbor, but if you're a doctor and you need to exchange patient records with a hospital, XML sure comes in handy.
Imagine, for instance, that you work for a large company that does a lot of long-distance calling. You arrange with your long-distance company to receive detailed call summaries every month. You certainly wouldn't want the company to make a huge number of remote method invocations to send you the information—it might take them a whole month just to send you a month's worth ...
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