So far, we learned how to install Apache Tomcat server and how to deploy Java web application to it. We briefly discussed the concept of Java web applications components, including servlets and JSPs.
Before we go into more depth explaining Tomcat features, we need to introduce the concepts, components, and syntax of main Java web application components—servlets, JSPs, and their relationship to
ServletContext. We won’t cover all the details about these broad subjects, but you should gain enough understanding to follow the examples in the chapters that follow, in which we explore the Tomcat server specific functionalities.
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