Every Statement in ABAP starts with ABAP keyword and ends with a '.'.
If your Program is an executable, then the first non-comment line should be 'REPORT REPORT_NAME'. If your program is not executable, then the first non-comment line should be 'PROGRAM PROGRAM_NAME'.
ZHELLO_WORLD
*&---------------------------------------------------------------------*
*& Report zhello_world
*&---------------------------------------------------------------------*
*&
*&---------------------------------------------------------------------*
REPORT zhello_world.
Write 'Hello World'.
Colon Notation
If the statements are identical, then consecutive statements can be chained using : notation.
Write 'Hello'.
Write 'Good'.
Write 'Morning'.
Above statements can be chained like below.
Write: 'Hello', 'Good', 'Morning'.
ZHELLO_WORLD
*&---------------------------------------------------------------------*
*& Report zhello_world
*&---------------------------------------------------------------------*
*&
*&---------------------------------------------------------------------*
REPORT zhello_world.
Write: 'Hello', 'Good', 'Morning'.
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