A "hello, world!" program is generally a computer program that ignores any input and outputs or displays a message similar to "hello, world!". a small piece of code in most general purpose programming languages, this program is used to illustrate a language's basic syntax. "hello, world!". Hello world is the perfect first step for classrooms before trying the open ended projects within our new curriculum, cs connections! after learning some coding basics, students will be able to progress to cs connections' cross curricular projects. learn more featured student creations food emoji animals retro. Hello world introduction to c# interactive c# tutorial article developer (beginner) 29 minutes to complete 6 contributors this tutorial teaches you c# interactively, using your browser to write c# and see the results of compiling and running your code. it contains a series of lessons that begin with a "hello world" program. As a function, the computer program simply tells the computer to display the words “hello, world!”. traditionally, it’s the first program developers use to test systems. for programmers, seeing the two words on the screen means their code can compile, load, run and they can see the output. it’s a test, signifying a start to a program. We will create a “hello world.c” file in a text editor and specify the commands using the c language in the following way: #include <stdio.h> int main () { printf ("hello world!"); return 0; } this would be your first program to print “hello world!” in c (using the c language rules, syntax, and structure).