Hello world program facts for kids

A "Hello world!" program running on Sony's PlayStation Portable as a proof of concept.

A Hello world program is usually a program made by computer programmers that are new to a programming language, or to test if the compiler for this language is working correctly. It will simply put the text Hello, World! on the screen. This program is available in all programming languages. One way to do the Hello World program is shown below, in the C programming language.

#include <stdio.h>
int main(int argc, char* argv[])
{
     printf("Hello World");
     return 0;
}

And on Pascal programming language

program helloworld;
begin
     WriteLn('Hello World');
end.

Images for kids

• 

  "Hello, World!" program by Brian Kernighan (1978)

• 

  A "Hello, World!" message being displayed through long-exposure light painting with a moving strip of LEDs

See also

In Spanish: Hola mundo para niños