Session Initiation Protocol (SIP) is a control (signaling) protocol developed by the Internet Engineering Task Force (IETF) to manage interactive multimedia IP sessions including IP telephony, ...

Creating dynamic web pages is necessary if a web site wants to display the current state of data accurately, for example showing temperatures around the world. There are several ways to accomplish ...

Despite the elegance of the Servlet API, real-world servlet classes tend to have pages of code in their doGet() and doPost() methods, often with complex conditional logic. Over time, more code must be ...