URLConnection « Network « Java Tutorial

19.3.1.All Headers
19.3.2.Chain the InputStream to a Reader
19.3.3.Get files updated last 24 hours
19.3.4.Encoding Aware Source Viewer
19.3.5.Call a servlet from a Java command line application
19.3.6.Read from a URL with buffered stream
19.3.7.Sending a POST Request Using a URL
19.3.8.Read a GIF or CLASS from an URL and save it locally