History FARGO Precursor to RPG RPG Released in 1959 for use with punched card machines RPG II 1969; first to handle i/o devices or workstation RPG III 1979; blocked statements, DO loops, subroutines
History 1994 Free Format (2001) Ability to link directly to Java objects RPG IV, RPGLE, ILE RPG
Software IDE WebSphere Development Studio Rational Development Studio for i Features Layout Program Flow Map
Mainframe Platform AS/400
Declaration Block Free Format vs. Column Based Free format declaration block released just a few months ago Column based seems cleaner and easier to read Free format is not widely used, column based is still the norm
Code Walk-Through Code Demo Explanation of provided code How to make DDS display file GUI Printing out DDS values
Questions?