W3C (World Wide Web Consortium) levels of standards recommendations Web browsers jar URLs and web concepts code example, form with name and email address input fields web forms Web server log file processing program LookupThread class processing in parallel processLogFile( ) method thread pool Whistle Blower Whois class Whois clients handles prefixes setting search parameters whois servers, output differences wildcard addresses working groups wrap methods (Buffer classes) write( ) methods DatagramChannel class SocketChannel class writeEntry( ) method Writer class writers writeTo( ) methods Multipart class Part interface