Appendix B. XML

What Is XML?

The Extensible Markup Language (XML) is a standard format for representing structured data in text form. It is an integral part of Web Services, and therefore an integral part of WebLogic Workshop. Web Services use a protocol called SOAP (Simple Object Access Protocol), which uses XML to represent requests.

If you have ever stored data in a Java properties file or in other simple configuration files, you might have discovered that it isn’t easy to store structured data in a flat format. For example, you might have a configuration file that looks like this:

 service.name=MyService service.maxClients=500 service.class=com.mycompany.MyServiceImpl ...

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