German

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Etymology

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hallo (hello) +‎ Welt (world) +‎ Programm (program)

Noun

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Hallo-Welt-Programm n (strong, genitive Hallo-Welt-Programmes or Hallo-Welt-Programms, plural Hallo-Welt-Programme)

  1. (programming) a Hello World (program)