java Servlet is server-side Java program modules that process and answer the client requests via implement the Servlet interface. The Servlet helps in enhancing the Web server functionality with minimal response time, maintenance and support. The java Servlet acts as an intermediary or communications medium between the client and the server. A Servlet modules run on the server they can receive and respond to requests made by the client. Request and response objects of the Servlet offer a convenient way to handle HTTP requests and send text data back to the client. Since a Servlet is integrated with the Java language and it also possesses or supports all the Java features such as high portability, platform independence, security and Java database connectivity.
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