Session Initiation Protocol (SIP) is a signaling protocol that is used to set up, modify, and terminate a session between two endpoints. SIP can be used to set up a two-party call, a multi-party call, ...

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 ...

When Java burst on the scene, applets were the stars of the show. It was already clear that the HTML browser was a wonderfully universal application platform, although not a very rich one. Applets ...

for example, when a container wants to reclaim memory resources, or when it is being shut down), it calls the destroy method of the Servlet interface. In this method, you release any resources the ...

Servlet class loading: For each servlet defined in the deployment descriptor of the Web application, the servlet container locates and loads a class of the type of the servlet. This can happen when ...