Servlet
A form of Java server that interacts with a web server and provides an alternative to using the Common Gateway Interface (CGI) and Server Application Programming Interfaces (SAPI) to communicate with a web server process. In addition, servlets do not depend on any particular type of web server as most major web servers support servlets.
Meanings of Servlet
(server) A Java program that runs on an Internet server and dynamically generates Web content in response to customer requests.
