"Hello World" program

A "Hello World!" program ("Hello, World!", etc.) is a computer program 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.

See also

• Computer programming
• Programming language

External links

• "Hello, World!" program @ Wikipedia