Program Hello, world!

Hello, world! este un program de calculator foarte simplu care doar afișează pe dispozitivul de ieșire (de obicei, ecran) textul englez Hello, world!. Este folosit pentru a testa funcționarea compilatorului sau pentru a ilustra începătorilor limbajul de programare ales.

ABAP 

Report ZHello.
write 'Hello, World!'.

Ada 

with Ada.Text_IO;
 
procedure Hello_World is
 use Ada.Text_IO;
begin
    Put_Line("Hello, world!");
end;

ALGOL 

BEGIN
   DISPLAY ("Hello, world!");
END.

AppleScript 

display dialog "Hello, world!"

AutoIt 

#include <MsgBoxConstants.au3>
 
Msgbox($MB_ICONINFORMATION, "", "Hello, world!")

AWK 

BEGIN { print "Hello, world!" }

BASIC 

PRINT "Hello, world!"

Batch 

@echo Hello, World!

Boo (limbaj de programare) 

print "Hello, world!"

Brainfuck 

++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.

C 

#include <stdio.h>
 
int main(void)
{
    printf("Hello, World!\n");
    return 0;
}

C++ 

#include <iostream>
int main()
{
    std::cout << "Hello, world!" << std::endl;
    return 0;
}

sau 

#include <iostream>
using namespace std;
int main()
{
    cout << "Hello, world!" << endl; // endl sau "\n";
    return 0;
}

C# 

class HelloWorldApp
{
    static void Main()
    {
        System.Console.WriteLine("Hello, world!");
    } 
}

Clean 

module hello
 Start :: {#Char}
 Start = "Hello, world!"

CoffeeScript 

alert('Hello, world!')

D 

import std.stdio;
 
void main()
{
  writeln("Hello, world!");
}

E 

println("Hello, world!")

Fortran 

program hello
    write(*,*) 'Hello, world!'
end program hello

Haskell 

module Main (main) where
 
main = putStrLn "Hello, world!"

J 

'Hello, world!'

Java 

public class HelloWorld
{
    public static void main(String[] args)
    {
         System.out.println("Hello, World!");
    }
}

JavaScript 

document.write('Hello, world!');

sau ca un mesaj de alertă: 

alert('Hello, world!');

(print "Hello world!")

Scheme 

(let ((hello0 (lambda() (display "Hello world") (newline))))
  (hello0))

HAI
CAN HAS STDIO?
VISIBLE "HAI WORLD!"
KTHXBYE
print("Hello, world!")

disp('Hello, world!')

Oberon 

MODULE Hello;
   IMPORT Out;
BEGIN
   Out.String("Hello, world!");
   Out.Ln
END Hello.

Objective-C 

#import <stdio.h>
#import <Foundation/Foundation.h>
 
int main(void)
{
    NSLog(@"Hello, world!\n");
    return 0;
}

OpenEdge Advanced Business Language 

 DISPLAY "Hello World!".

Oz 

{Show 'Hello, world!}
program hello;
begin
    writeln('Hello, world!');
    readln;
end.

print "Hello, world!\n";

Piet 

<?php echo "Hello, World!\n";?>

sau, mai simplu: 

<?="Hello, World!\n"?>

Prolog 

main :- write('Hello, world!'), nl.

print ( "Hello, world!" )

sau 

  import sys
  sys.stdout.write("Hello, world!\n")

R 

cat('Hello, world!\n')

REXX 

say Hello, world!

print "Hello, world!"

Scheme 

(let ((hello0 (lambda() (display "Hello world") (newline))))
  (hello0))

$ include "seed7_05.s7i";

const proc: main is func
  begin
    writeln("Hello, world!");
  end func;

Smalltalk 

Transcript show: 'Hello, world!'.

SELECT 'Hello, world!' FROM DUMMY;
SELECT 'Hello, world!' FROM DUAL;
SELECT 'Hello, world!';

puts "Hello, world!"

put "Hello, world!"

Sub Main()
  Print "Hello, world!"
End Sub

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