Lecture Notes 29
Here's the diagram of homework 8 with sinks and source:
In this diagram Larry types 'Yo!' which is being then propagated to both clients, already waiting to display what's being said in the chat room. The transfer is done through the source, into the sinks. As soon as the sinks return the results, the client applets display the string and issue a new GET request. Meanwhile, in a separate thread, the applet monitors the text field in which the users can type their messages.
We've covered applet-servlet communication in this last part.
We said there are three options:
Sockets are used somewhere much earlier in the lecture notes.
RMI also is
HTTP also is