PROGRAM zhello_world.
CLASS main DEFINITION FINAL CREATE PRIVATE.
PUBLIC SECTION.
CLASS-METHODS: start.
ENDCLASS.
CLASS main IMPLEMENTATION.
METHOD start.
cl_demo_output=>display( 'Hello World!' ).
ENDMETHOD.
ENDCLASS.
START-OF-SELECTION.
main=>start( ).
Internal Table Declaration Based on Local Type Definition
" Declaration of type
TYPES: BEGIN OF ty_flightb,
id TYPE fl_id,
dat TYPE fl_date,
seatno TYPE fl_seatno,
firstname TYPE fl_fname,
lastname TYPE fl_lname,
fl...
