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011. hello world

VBScript

JScript

Perl

PHP

Python

Ruby

PowerShell

Scala

println("hello world")

F#

OCaml

print_string "hello world\n";;
print_endline "hello world";;
F#:
printfn "hello world";;

Haskell

main = putStrLn "hello world"

C

C++

C++Builder

VC++

C#

Java

Objective-C

D

VB

VB.NET

Delphi

Ada

PL/SQL

T-SQL