"Hello World!" program (nonfiction)

A "Hello World!" program ("Hello, World!", etc.) is a computer program (nonfiction) that outputs "Hello World!" (or some variation) on a display device.

It demonstrates that a simple program runs correctly.

Purpose

Hello World is a traditional exercise for beginning programmers.

Experienced programmers may write a Hello World program when learning a new programming language.

Nonfiction cross-reference

• Computer program (nonfiction)
• Computer programming (nonfiction)
• Less World, More Hello (nonfiction)
• Programming language (nonfiction)

Fiction cross-reference

• Less World, More Hello
• "Hello World!" program

External links

• "Hello, World!" program @ Wikipedia