What the harlequin fetus says when it pops out.
"Hello, world!" said the bloody, scabbed fetus.
by bryan May 24, 2004

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Top Definition
The easiest, and first program any newbie would write. Applies for any language. Also what you would see in the first chapter of most programming books.
programming noob: Hey I just attended my first programming lesson earlier!
.NET Veteran: Oh? What can you do?
programming noob: I could make a dialog box pop up which says "Hello World!" !!!
.NET Veteran: lmao.. hey guys! look.. check out this "hello world" programmer

Console.WriteLine("Hello World")
by The Black Jack October 26, 2006

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A common program written to demostrate the syntax of a programming language.
// Hello World In Java!
class HelloWorld()
{
public static void main(String args)
{
System.out.println("Hello world");
}
}
by peterson June 18, 2004

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A very simple program that prints "hello world".
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//hello world
by hackr March 11, 2015

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First phrase we learn in CS 101 to print in a computer software program.
She just created her first "hello world" program.
by buritob January 16, 2011

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A typical sample programming application that once written, demonstrates complete mastery of choice language, particularly in subclassing and, of course, database API's.
Dude, I spent 6 months developing this AI-based 3-tier search engine for this meeting, and Jon shows up with another great "Hello World" program and blows my ass away. Again.
by 3 January 23, 2004

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First program a programmer normally writes.
#include <stdio.h>

int main()
{
printf("Hello World\n");

return 0;
}
by Eric's Mom's Lover June 18, 2004

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Computer Programming: The first program that a programmer writes in a language he is learning. Typically, the program simply opens a window that says "Hello World." The simplicity of the program makes it ideal for use as a comparison between different programming languages.
As a first step in learning Perl, create a "Hello World" application.
by Kluekozyte January 22, 2004

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