Java Examples

• MyHello: simple "hello world" program that uses a loop and Thread.sleep() for pausing
• MyApplet: simple "hello world" applet similar to MyHello with counter for paint() invocations, and its HTML page
• FileIO: simple program that reads the first few lines from a text file and displays them
• NetEcho: simple socket server that responds to a simple request from NetClient or telnet
• WebEcho: simple socket server that responds to a single http request from web browser, WebClient, or telnet
• DgmSend and DgmRecv: simple datagram sender and receiver for UDP messages
• AppletCycle: small applet that shows method invocations by the browser during its lifecycle, and its HTML page
• Java Servlets: concept and examples of server side Java based on the Servlet API
• Hello: simple servlet with hit counter to show contrast to short-lived CGI processes
• jCobCGI: servlet implementation resembling my old Cobol/iX CGI example on Jazz, and its HTML page
• Music: simple servlet showing (local or remote) database access to MusicDBE via JDBC driver
• Java Web Server: session snippet showing how to setup the Sun product (or trial version) on MPE/iX
• Jigsaw for MPE/iX: session snippet showing how to setup the web server from www.w3.org on MPE/iX
• Calling MPE Intrinsics: shows a few examples of using the JNI Java Native Interface with C and Cobol/iX
• JdbcProgram: simple program using Jdbc driver or JdbcOdbc bridge to access Image/SQL MusicDBE
• RunChild: example how to launch a child process via Runtime.exec() and read its output
• JdbcApplet: an applet implementation of the JdbcProgram above (using a java.awt.List as GUI), and its HTML page
• JavaTelnet: program or applet telnets into the HP 3000, launches host program and provides GUI or web front-end
• MPE Proglets: a small Java Servlet helps using (a pool of) simple MPE programs for generating dynamic web pages
• DiscFree: applet that retrieves discfree info from host, parses and displays in graphical form, and its HTML page