A Server Socket in Java
This section shows a simple example of creating a server socket to listen for incoming requests. We could write the server side of a simple NTP server, but let's try something a little more ambitious. It should be fairly clear at this point that HTTP is just another of the many protocols that use sockets to run over the Internet.
A web browser is a client program that sends requests through a socket to the HTTP port on a server and displays the data that the server sends back. A basic web browser can be written in a couple of hundred lines of code if you have a GUI component that renders HTML, which Java does.
A web server is a server program that waits for incoming requests on the HTTP port and acts on those to send ...
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