Servlets Advanced Features

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After describing some basic programming of servlets, we will describe some advanced topics of servlets in this tutorial, viz., Session Tracking, Servlet Filters, Servlet Life Cycle Events, Including, forwarding and redirecting, Servlet Chaining and Applet Servlet Communication.

Session Tracking

HTTP is a stateless protocol which means that each request done using HTTP is independent from each other. This is a restriction in HTTP since some applications like e-commerce sites require to hold state information. One of the traditional examples of state is a shopping cart. In this tutorial, we will learn how to hold states between HTTP requests using servlets.  more...