5.5. Advanced Servlet Topics
There's quite a bit more that you can do with servlets. Although we didn't need these features for our examples, I thought they were important enough to give at least a mention to these servlet capabilities.
5.5.1. Server-Side Includes
Looking at the way a servlet is structured, it is typical to wonder if there's a better separation possible between the behavior of the servlet (the business logic) and the HTML markup embedded in the servlet. One of the first attempts to make a more logical separation of these was support for server-side includes in some Web servers.
In the Apache Web Server, for example, there was an add-on package called JSSI that provided the ability to pull all of the HTML out into a separate file. ...
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