Explanation of Tomcat

Tomcat is a Servlet container that is needed in order to use the Java Servlet and JavaServer Pages technologies. Servlet is a program of Java that runs on a Web server. If there is a demand from the Web browser of a client, the Java Servlet will generate the resource of HTML or others dynamically and will return a result to the Web browser. The Java Servlet and JavaServer Pages specifications are developed by Sun under the Java Community Process.