Hello World
Jump to navigation
Jump to search
A Hello World program, as first introduced in the book The C Programming Language, is a very short program that typically just prints a word or two of output to a console. Such a program is often one of the first programs that a programmer writes when learning a programming language, as it provide's a cursory introduction to the language's syntax and output.
Example in some of the most popular languages
Example in C
#include <stdio.h> int main() { printf("This is my first C program!\n"); return 0; }
Example in C++
// Hello World in C++ (pre-ISO) #include <iostream.h> main() { cout << "Hello World!" << endl; return 0; }
Example in Java
// Hello World in Java class HelloWorld { static public void main( String args[] ) { System.out.println( "Hello World!" ); } }
Example in Perl
# Hello world in perl print "Hello World!\n";
Example in PHP
<?php // Hello World in PHP echo 'Hello World!'; ?>
Example in Python
# Hello World in Python print "Hello world"
Example in VBScript
'Hello World in VBScript WScript.Echo "Hello world"
See also
External links
The Hello World Collection in more than 300 programming languages