Each servlet, filter, and listener in the servlet container exists within a context. This chapter describes the tasks involved in creating a new context and configuring a context.
Each servlet and each filter must have a URL pattern mapping, and may have initialization parameters.
Servlet and Filter Initialization Parameters discusses initialization parameters.
URL Patterns explains URL pattern matching. The remainder of the chapter, beginning with
Deploy the Compiled Object Files, describes tasks associated with adding a context, as summarized in the next section.