Servlets

In Java, the servlet container manages servlets and communicates with the server on behalf of the servlet.

In Java, a servlet is a class that responds to server requests.

Java servlet applications are deployed using Tomcat.

In Java, servlets overcame all the deficiencies that came with creating Common Gateway Interface (CGI) applications.

Servlets in Java are created by extending the GenericServlet or HttpServlet classes.

When working with Java servlets, the web.xml file is used to register them and map URL paths to them.

In Java, HttpServlet classes use the HttpServletRequest object to receive parameters from the client and HttpServletResponse object to provide a response back.

In Java, HttpServlet applications are implemented by overriding the doGet(), doPost(), doPut(), or doDelete().