Hello world/Text
You are encouraged to solve this task according to the task description, using any language you may know.
- Task
Display the string Hello world! on a text console.
- Related tasks
- Hello world/Graphical
- Hello world/Line Printer
- Hello world/Newbie
- Hello world/Newline omission
- Hello world/Standard error
- Hello world/Web server
0815[edit]
<:48:x<:65:=<:6C:$=$=$$~<:03:+
$~<:ffffffffffffffb1:+$<:77:~$
~<:fffffffffffff8:x+$~<:03:+$~
<:06:x-$x<:0e:x-$=x<:43:x-$11l[edit]
print(‘Hello world!’)360 Assembly[edit]
Using native SVC (Supervisor Call) to write to system console:
HELLO CSECT
USING HELLO,15
LA 1,MSGAREA Point Register 1 to message area
SVC 35 Invoke SVC 35 (Write to Operator)
BR 14 Return
MSGAREA EQU * Message Area
DC AL2(19) Total area length = 19 (Prefix length:4 + Data Length:15)
DC XL2'00' 2 bytes binary of zeros
DC C'Hello world!' Text to be written to system console
ENDUsing WTO Macro to generate SVC 35 and message area:
WTO 'Hello world!'
BR 14 Return
END4DOS Batch[edit]
echo Hello world!6502 Assembly[edit]
; goodbyeworld.s for C= 8-bit machines, ca65 assembler format.
; String printing limited to strings of 256 characters or less.
a_cr = $0d ; Carriage return.
bsout = $ffd2 ; C64 KERNEL ROM, output a character to current device.
; use $fded for Apple 2, $ffe3 (ascii) or $ffee (raw) for BBC.
.code
ldx #0 ; Starting index 0 in X register.
printnext:
lda text,x ; Get character from string.
beq done ; If we read a 0 we're done.
jsr bsout ; Output character.
inx ; Increment index to next character.
bne printnext ; Repeat if index doesn't overflow to 0.
done:
rts ; Return from subroutine.
.rodata
text:
.byte "Hello world!", a_cr, 0
6800 Assembly[edit]
.cr 6800
.tf gbye6800.obj,AP1
.lf gbye6800
;=====================================================;
; Hello world! for the Motorola 6800 ;
; by barrym 2013-03-17 ;
;-----------------------------------------------------;
; Prints the message "Hello world!" to an ascii ;
; terminal (console) connected to a 1970s vintage ;
; SWTPC 6800 system, which is the target device for ;
; this assembly. ;
; Many thanks to: ;
; swtpc.com for hosting Michael Holley's documents! ;
; sbprojects.com for a very nice assembler! ;
; swtpcemu.com for a very capable emulator! ;
; reg x is the string pointer ;
; reg a holds the ascii char to be output ;
;-----------------------------------------------------;
outeee = $e1d1 ;ROM: console putchar routine
.or $0f00
;-----------------------------------------------------;
main ldx #string ;Point to the string
bra puts ; and print it
outs jsr outeee ;Emit a as ascii
inx ;Advance the string pointer
puts ldaa ,x ;Load a string character
bne outs ;Print it if non-null
swi ; else return to the monitor
;=====================================================;
string .as "Hello world!",#13,#10,#0
.en
8080 Assembly[edit]
; This is Hello World, written in 8080 assembly to run under CP/M
; As you can see, it is similar to the 8086, and CP/M is very
; similar to DOS in the way it is called.
org 100h ; CP/M .COM entry point is 100h - like DOS
mvi c,9 ; C holds the syscall, 9 = print string - like DOS
lxi d,msg ; DE holds a pointer to the string
jmp 5 ; CP/M calls are accessed through the jump at 05h
; Normally you'd CALL it, but since you'd end the program by RETurning,
; JMP saves a byte (if you've only got 64k of address space you want to
; save bytes).
msg: db 'Hello world!$'8086 Assembly[edit]
DOSSEG
.MODEL TINY
.DATA
TXT DB "Hello world!$"
.CODE
START:
MOV ax, @DATA
MOV ds, ax
MOV ah, 09h ; prepare output function
MOV dx, OFFSET TXT ; set offset
INT 21h ; output string TXT
MOV AX, 4C00h ; go back to DOS
INT 21h
END STARTWith A86 or NASM syntax:
org 100h mov dx, msg mov ah, 9 int 21h mov ax, 4c00h int 21h msg: db "Hello world!$"
8th[edit]
"Hello world!\n" . bye
AArch64 Assembly[edit]
.equ STDOUT, 1
.equ SVC_WRITE, 64
.equ SVC_EXIT, 93
.text
.global _start
_start:
stp x29, x30, [sp, -16]!
mov x0, #STDOUT
ldr x1, =msg
mov x2, 13
mov x8, #SVC_WRITE
mov x29, sp
svc #0 // write(stdout, msg, 13);
ldp x29, x30, [sp], 16
mov x0, #0
mov x8, #SVC_EXIT
svc #0 // exit(0);
msg: .ascii "Hello World!\n"
.align 4ABAP[edit]
REPORT zgoodbyeworld.
WRITE 'Hello world!'.
ACL2[edit]
(cw "Hello world!~%")
Acornsoft Lisp[edit]
Since there is no string data type in the language, a symbol (an identifier or 'character atom') must be used instead. When writing a symbol in source code, exclamation mark is an escape character that allows characters such as spaces and exclamation marks to be treated as part of the symbol's name. Some output functions will include exclamation mark escapes when outputting such symbols, and others, such as printc, will not.
(printc 'Hello! world!!)
The single quote in front of Hello! world!! makes it an expression that evaluates to the symbol itself; otherwise, it would be treated as a variable and its value (if it had one) would be printed instead.
Action![edit]
Proc Main()
Print("Hello world!")
ReturnActionScript[edit]
trace("Hello world!");
Ada[edit]
with Ada.Text_IO; use Ada.Text_IO;
procedure Main is
begin
Put_Line ("Hello world!");
end Main;
Agda[edit]
For Agda 2.6.3, based on its documentation.
module HelloWorld where
open import Agda.Builtin.IO using (IO)
open import Agda.Builtin.Unit renaming (⊤ to Unit)
open import Agda.Builtin.String using (String)
postulate putStrLn : String -> IO Unit
{-# FOREIGN GHC import qualified Data.Text as T #-}
{-# COMPILE GHC putStrLn = putStrLn . T.unpack #-}
main : IO Unit
main = putStrLn "Hello world!"
Agena[edit]
print( "Hello world!" )Aime[edit]
o_text("Hello world!\n");or:
integer
main(void)
{
o_text("Hello world!\n");
return 0;
}Algae[edit]
printf("Hello world!\n");ALGOL 60[edit]
'BEGIN'
OUTSTRING(1,'('Hello world!')');
SYSACT(1,14,1)
'END'ALGOL 68[edit]
main: (
printf($"Hello world!"l$)
)ALGOL W[edit]
begin
write( "Hello world!" )
end.ALGOL-M[edit]
BEGIN
WRITE( "Hello world!" );
ENDAlore[edit]
Print('Hello world!')Amazing Hopper[edit]
1)
main:
{"Hello world!\n"}print
exit(0)execute with: hopper helloworld.com
2)
#include <hopper.h>
main:
exit("Hello world!\n")execute with: hopper helloworld.com -d
3)
main:
{"Hello world!\n"}returnexecute with: hopper helloworld.com -d
AmbientTalk[edit]
system.println("Hello world!")
AmigaE[edit]
PROC main()
WriteF('Hello world!\n')
ENDPROCAngelScript[edit]
void main() { print("Hello world\n"); }AntLang[edit]
Note, that "Hello, World!" prints twice in interactive mode. One time as side-effect and one as the return value of echo.
echo["Hello, World!"]Anyways[edit]
There was a guy called Hello World
"Ow!" it said.
That's all folks!APL[edit]
'Hello world!'
AppleScript[edit]
To show in Script Editor Result pane:
"Hello world!"
To show in Script Editor Event Log pane:
log "Hello world!"
Applesoft BASIC[edit]
Important Note: Although Applesoft BASIC allowed the storage and output of mixed-case strings, the ability to enter mixed-case via the keyboard and to output mixed-case on the default display was not offered as standard equipment on the original Apple II/II+. Since Applesoft WAS the default programming language for the Apple II+, perhaps some flexibility in the task specification could be offered, for this and for other systems that lacked proper mixed-case I/O capabilities in at least one popular configuration.
PRINT "Hello world!"Apricot[edit]
(puts "Hello world!")Arc[edit]
(prn "Hello world!")Arendelle[edit]
"Hello world!"
Argile[edit]
use std
print "Hello world!"compile with: arc hello_world.arg -o hello_world.c && gcc -o hello_world hello_world.c
ARM Assembly[edit]
.global main
message:
.asciz "Hello world!\n"
.align 4
main:
ldr r0, =message
bl printf
mov r7, #1
swi 0ArnoldC[edit]
IT'S SHOWTIME
TALK TO THE HAND "Hello world!"
YOU HAVE BEEN TERMINATEDArturo[edit]
print "Hello world!"
- Output:
Hello world!
AsciiDots[edit]
.-$'Hello, World!'Astro[edit]
print "Hello world!"
Asymptote[edit]
write('Hello world!');
Atari BASIC[edit]
10 PRINT "Hello World"ATS[edit]
implement main0 () = print "Hello world!\n"AutoHotkey[edit]
script launched from windows explorer
DllCall("AllocConsole")
FileAppend, Goodbye`, World!, CONOUT$
FileReadLine, _, CONIN$, 1
scripts run from shell [requires Windows XP or higher; older Versions of Windows don´t have the "AttachConsole" function]
DllCall("AttachConsole", "int", -1)
FileAppend, Goodbye`, World!, CONOUT$
SendInput Hello world!{!}
AutoIt[edit]
ConsoleWrite("Hello world!" & @CRLF)
AutoLISP[edit]
(printc "Hello World!")
Avail[edit]
Print: "Hello World!";AWK[edit]
BEGIN{print "Hello world!"}
"BEGIN" is a "special pattern" - code within "{}" is executed before the input file is read, even if there is no input. "END" is a similar pattern, for after completion of main processing.
END {
print "Hello world!"
}
For a file containing data, the work can be done in the "body". The "//" is "match anything" so gets the first data, the "exit" halts processing the file (any "END" would then be executed). Or instead of //, simply 1 is true.
// {
print "Hello world!"
exit
}
For a "single record" file.
// {
print "Hello world!"
}
For a "single record" file containing - Hello world! -. The "default" action for a "pattern match" (the "/" and "/" define a "pattern" to match data) is to "print" the record.
//
Axe[edit]
Note that the i here is the imaginary i, not the lowercase letter i.
Disp "Hello world!",iB[edit]
main()
{
putstr("Hello world!*n");
return(0);
}B4X[edit]
Log("Hello world!")Babel[edit]
"Hello world!" <<Bait[edit]
fun main() {
println('Hello World!')
}Ballerina[edit]
import ballerina/io;
public function main() {
io:println("Hello World!");
}bash[edit]
echo "Hello world!"
BASIC[edit]
10 print "Hello world!"
PRINT "Hello world!"
BASIC256[edit]
PRINT "Hello world!"Batch File[edit]
Under normal circumstances, when delayed expansion is disabled
echo Hello world!
If delayed expansion is enabled, then the ! must be escaped twice
setlocal enableDelayedExpansion
echo Hello world!^^!
Battlestar[edit]
const hello = "Hello world!\n"
print(hello)
BBC BASIC[edit]
PRINT "Hello world!"
bc[edit]
"Hello world!
"
BCPL[edit]
GET "libhdr"
LET start() = VALOF
{ writef("Hello world!")
RESULTIS 0
}Beef[edit]
Using System;
namespace HelloWorld {
class Program
{
static void Main()
{
Console.Writeln("Hello World!");
}
}
}
beeswax[edit]
Straightforward:
*`Hello, World!Less obvious way:
>`ld!
`
r
o
W
`
b` ,olleH`_Even less obvious, demonstrating the creation and execution order of instruction pointers, and the hexagonal layout of beeswax programs:
r l
l o
``
ol`*`,d!
``
e H
WBefunge[edit]
52*"!dlroW ,olleH">:#,_@
Binary Lambda Calculus[edit]
As explained at https://www.ioccc.org/2012/tromp/hint.html
Hello world!Bird[edit]
It's not possible to print exclamation marks in Bird which is why it is not used in this example.
use Console
define Main
Console.Println "Hello world"
endBlade[edit]
echo 'Hello world!'or
print('Hello world!')or
import io
io.stdout.write('Hello world!')Blast[edit]
# This will display a goodbye message on the terminal screen
.begin
display "Hello world!"
return
# This is the end of the script.BlitzMax[edit]
print "Hello world!"
Blue[edit]
Linux/x86
global _start
: syscall ( num:eax -- result:eax ) syscall ;
: exit ( status:edi -- noret ) 60 syscall ;
: bye ( -- noret ) 0 exit ;
1 const stdout
: write ( buf:esi len:edx fd:edi -- ) 1 syscall drop ;
: print ( buf len -- ) stdout write ;
: greet ( -- ) s" Hello world!\n" print ;
: _start ( -- noret ) greet bye ;blz[edit]
print("Hello world!")BML[edit]
display "Hello world!"Boo[edit]
print "Hello world!"
bootBASIC[edit]
10 print "Hello world!"BQN[edit]
Works in: CBQN
•Out "Hello world!"Brace[edit]
#!/usr/bin/env bx
use b
Main:
say("Hello world!")Bracmat[edit]
put$"Hello world!"Brainf***[edit]
To print text, we need the ascii-value of each character to output.
So, we wanna make a series of round numbers going like:
10 close to newline and carriage return 30 close to ! and SPACE 40 close to COMMA 70 close to G 80 close to W 90 close to b 100 is d and close to e and l 110 close to o 120 close to y
forming all the letters we need if we just add up a bit
Commented version:
+++++ +++++ First cell 10 (its a counter and we will be "multiplying")
[
>+ 10 times 1 is 10
>+++ 10 times 3 is 30
>++++ etc etc
>+++++ ++
>+++++ +++
>+++++ ++++
>+++++ +++++
>+++++ ++++++
>+++++ +++++++
<<<<<<<<< - go back to counter and subtract 1
]
printing G
>>>> + .
o twice
>>>> + ..
d
< .
b
< +++++ +++ .
y
>>> + .
e
<< + .
COMMA
<<<< ++++ .
SPACE
< ++ .
W
>>> +++++ ++ .
o
>>> .
r
+++ .
l
< +++++ ++ .
d
----- --- .
!
<<<<< + .
CRLF
< +++ . --- .
Uncommented:
++++++++++[>+>+++>++++>+++++++>++++++++>+++++++++>++
++++++++>+++++++++++>++++++++++++<<<<<<<<<-]>>>>+.>>>
>+..<.<++++++++.>>>+.<<+.<<<<++++.<++.>>>+++++++.>>>.+++.
<+++++++.--------.<<<<<+.<+++.---.
It can most likely be optimized, but this is a nice way to show how character printing works in Brainf*** :)
Brat[edit]
p "Hello world!"Brlcad[edit]
The mged utility can output text to the terminal:
echo Hello world!Burlesque[edit]
"Hello world!"shAlthough please note that sh actually does not print anything.
C[edit]
#include <stdlib.h>
#include <stdio.h>
int main(void)
{
printf("Hello world!\n");
return EXIT_SUCCESS;
}
Or:
#include <stdlib.h>
#include <stdio.h>
int main(void)
{
puts("Hello world!");
return EXIT_SUCCESS;
}
Or, the eternal favourite :)
#include<stdio.h>
int main()
{
printf("\nHello world!");
return 0;
}
or better yet...
#include<stdio.h>
int main()
{
return printf("\nHello World!");
}
C#[edit]
namespace HelloWorld
{
class Program
{
static void Main(string[] args)
{
System.Console.WriteLine("Hello world!");
}
}
}
C# 9.0 allows statements at the top level of a source file (a compilation_unit in the specification) between any using statements and namespace declarations. These statements become the program entry point and are placed in a method in a compiler-generated type.
System.Console.WriteLine("Hello world!");
or
using System;
Console.WriteLine("Hello world!");
C++[edit]
#include <iostream>
int main() {
std::cout << "Hello world!\n";
}
Since C++23’s addition of the <print> header and the standard library module std we could now write this:
import module std; // here does the same thing as #include <print>
int main() {
std::print("Hello world!\n");
}
C++/CLI[edit]
using namespace System;
int main()
{
Console::WriteLine("Hello world!");
}
C1R[edit]
Hello_world/Text- Output:
$ echo Hello_world/Text >hw.c1r $ ./c1r hw.c1r $ ./a.out Hello world!
C2[edit]
module hello_world;
import stdio as io;
func i32 main(i32 argc, char** argv) {
io.printf("Hello World!\n");
return 0;
}C3[edit]
import std::io;
fn void main()
{
io::printn("Hello, World!");
}Casio BASIC[edit]
Locate 1,1,"Hello World!"or just
"Hello World!"Cat[edit]
"Hello world!" writelnCduce[edit]
print "Hello world!";;CFEngine[edit]
#!/usr/bin/env cf-agent
# without --no-lock option to cf-agent
# this output will only occur once per minute
# this is by design.
bundle agent main
{
reports:
"Hello world!";
}
See https://docs.cfengine.com/docs/master/examples.html for a more complete example and introduction.
Chapel[edit]
writeln("Hello world!");
Chef[edit]
Goodbye World Souffle.
Ingredients.
71 g green beans
111 cups oil
98 g butter
121 ml yogurt
101 eggs
44 g wheat flour
32 zucchinis
119 ml water
114 g red salmon
108 g lard
100 g dijon mustard
33 potatoes
Method.
Put potatoes into the mixing bowl.
Put dijon mustard into the mixing bowl.
Put lard into the mixing bowl.
Put red salmon into the mixing bowl.
Put oil into the mixing bowl.
Put water into the mixing bowl.
Put zucchinis into the mixing bowl.
Put wheat flour into the mixing bowl.
Put eggs into the mixing bowl.
Put yogurt into the mixing bowl.
Put butter into the mixing bowl.
Put dijon mustard into the mixing bowl.
Put oil into the mixing bowl.
Put oil into the mixing bowl.
Put green beans into the mixing bowl.
Liquefy contents of the mixing bowl.
Pour contents of the mixing bowl into the baking dish.
Serves 1.Chipmunk Basic[edit]
10 print "Hello world!"
ChucK[edit]
<<< "Hello world!">>>;
Cind[edit]
execute() {
host.println("Hello world!");
}Clay[edit]
main() {
println("Hello world!");
}
Clean[edit]
Start = "Hello world!"
Clio[edit]
'hello world!' -> printClipper[edit]
? "Hello world!"
CLIPS[edit]
(printout t "Hello world!" crlf)CLU[edit]
start_up = proc ()
po: stream := stream$primary_output()
stream$putl(po, "Hello world!")
end start_upClojure[edit]
(println "Hello world!")
CMake[edit]
message(STATUS "Hello world!")
This outputs
-- Hello world!
COBOL[edit]
Using fixed format.
program-id. hello.
procedure division.
display "Hello world!".
stop run.
Using relaxed compilation rules, the hello program can become a single DISPLAY statement.
display"Hello, world".
prompt$ cobc -x -frelax-syntax -free hello.cob hello.cob: 1: Warning: PROGRAM-ID header missing - assumed hello.cob: 1: Warning: PROCEDURE DIVISION header missing - assumed prompt$ ./hello Hello, world
Note how COBOL can handle the DISPLAY reserved word without a space before the quoted string, the quote being a compile time scan delimiter. The full stop period after the single statement is still mandatory, at least for GnuCOBOL and a clean compile to executable.
Cobra[edit]
class Hello
def main
print 'Hello world!'CoffeeScript[edit]
console.log "Hello world!"
print "Hello world!"
ColdFusion[edit]
<cfoutput>Hello world!</cfoutput>Comal[edit]
PRINT "Hello world!"Comefrom0x10[edit]
'Hello world!'"Hello world!"Commodore BASIC[edit]
By default some Commodore computers boot into uppercase/graphics mode (C64, C128, VIC-20, Plus 4, etc.) while others (PET, CBM etc.) boot into lowercase/uppercase mode. Therefore, depending on machine used, the CHR$(14) may or may not be required to switch into mixed-case mode.
10 print chr$(147);chr$(14);:REM 147=clear screen, 14=switch to lowercase mode
20 print "Hello world!"
30 end
- Output:
Hello world!
Common Lisp[edit]
(format t "Hello world!~%")
Or
(print "Hello world!")
Alternate solution[edit]
I use Allegro CL 10.1
;; Project : Hello world/Text
(format t "~a" "Hello world!")
Output:
Hello world!
Component Pascal[edit]
MODULE Hello;
IMPORT Out;
PROCEDURE Do*;
BEGIN
Out.String("Hello world!"); Out.Ln
END Do;
END Hello.
Run command Hello.Do by commander.
Coq[edit]
Require Import Coq.Strings.String.
Eval compute in ("Hello world!"%string).
Corescript[edit]
print Hello world!Cowgol[edit]
include "cowgol.coh";
print("Hello world!");
print_nl();
Crack[edit]
import crack.io cout;
cout `Hello world!\n`;Craft Basic[edit]
print "Hello world!"
Creative Basic[edit]
OPENCONSOLE
PRINT"Hello world!"
'This line could be left out.
PRINT:PRINT:PRINT"Press any key to end."
'Keep the console from closing right away so the text can be read.
DO:UNTIL INKEY$<>""
CLOSECONSOLE
ENDCrystal[edit]
puts "Hello world!"
D[edit]
import std.stdio;
void main() {
writeln("Hello world!");
}
Dafny[edit]
method Main() {
print "hello, world!\n";
assert 10 < 2;
}Dao[edit]
io.writeln( 'Hello world!' )Dart[edit]
main() {
var bye = 'Hello world!';
print("$bye");
}
DataWeave[edit]
"Hello world!"DBL[edit]
;
; Hello world for DBL version 4 by Dario B.
;
PROC
;------------------------------------------------------------------
XCALL FLAGS (0007000000,1) ;Suppress STOP message
OPEN (1,O,'TT:')
WRITES (1,"Hello world")
DISPLAY (1,"Hello world",10)
DISPLAY (1,$SCR_MOV(-1,12),"again",10) ;move up, right and print
CLOSE 1
ENDDc[edit]
[Hello world!]p...or print a numerically represented string.
5735816763073014741799356604682 PDCL[edit]
$ write sys$output "Hello world!"
DDNC[edit]
DDNC can only output to a single 7-segment LED display digit, so first we must convert each character into its 7-segment equivalent numerical value.
The three horizontal bars are assigned bits 6, 3, and 0 from top to bottom. The top two vertical bars are assigned bits 5 and 4 while the bottom two vertical bars are assigned bits 2 and 1 from left to right.
Because DDNC can only interpret literals in decimal, each binary number was converted and stored in consecutive memory cells starting at cell 10.
The code can be divided into three sections. The first stores the character numbers in order in an array. The second sets up the loop by loading a delay of 500 milliseconds to slot 3, the start address of the character array in memory to slot 2, and the number of times to loop (14) plus one to slot 5. The third section starts the loop of displaying the characters, waiting for the delay time, incrementing the pointer, decrementing the counter, and checking if the counter is negative to know whether to continue the loop.
0 111 10
0 15 11
0 15 12
0 31 13
0 47 14
0 59 15
0 125 16
0 3 17
0 0 18
0 63 19
0 15 20
0 12 21
0 36 22
0 31 23
0 17 24
0 500 3
0 10 2
0 15 5
60 4
2 2 1
80 1
72 3
30 2
31 5
62 5
61 4
64Delphi[edit]
program ProjectGoodbye;
{$APPTYPE CONSOLE}
begin
WriteLn('Hello world!');
end.
DeviousYarn[edit]
o:"Hello world!DIBOL-11[edit]
START ;Hello World
RECORD HELLO
, A11, 'Hello World'
PROC
XCALL FLAGS (0007000000,1) ;Suppress STOP message
OPEN(8,O,'TT:')
WRITES(8,HELLO)
ENDDiego[edit]
Once the caller has met the computer and its printer...
with_computer(comp1)_printer(lp1)_text(Hello World!);If the caller is the computer...
with_me()_printer(lp1)_text(Hello World!);...or can be shortened as...
me()_ptr(lp1)_txt(Hello World!);If the computer has more than one printer...
me()_printer()_text(Hello World!);If there are more than one computer which have zero or more printers...
with_computer()_printer()_text(Hello World!);If there are zero or more printers connected to any thing (device)...
with_printer()_text(Hello World!);DIV Games Studio[edit]
PROGRAM HELLOWORLD;
BEGIN
WRITE_TEXT(0,160,100,4,"HELLO WORLD!");
LOOP
FRAME;
END
ENDDM[edit]
/client/New()
..()
src << "Hello world!"Draco[edit]
proc nonrec main() void:
writeln("Hello world!")
corpDragon[edit]
showln "Hello world!"dt[edit]
"Hello world!" plDWScript[edit]
PrintLn('Hello world!');
Dyalect[edit]
print("Hello world!")Dylan[edit]
module: hello-world
format-out("%s\n", "Hello world!");
Dylan.NET[edit]
One Line version:
Console::WriteLine("Hello world!")Hello World Program:
//compile using the new dylan.NET v, 11.5.1.2 or later
//use mono to run the compiler
#refstdasm mscorlib.dll
import System
assembly helloworld exe
ver 1.2.0.0
class public Program
method public static void main()
Console::WriteLine("Hello world!")
end method
end classDéjà Vu[edit]
!print "Hello world!"E[edit]
println("Hello world!")
stdout.println("Hello world!")EasyLang[edit]
print "Hello world!"
eC[edit]
class GoodByeApp : Application
{
void Main()
{
PrintLn("Hello world!");
}
}
EchoLisp[edit]
(display "Hello world!" "color:blue")
ECL[edit]
OUTPUT('Hello world!');
Ecstasy[edit]
module HelloWorld {
void run() {
@Inject Console console;
console.print("Hello, World!");
}
}
EDSAC order code[edit]
The EDSAC did not support lower-case letters. The method used here is to include a separate O order to print each character: for short messages and labels this is quite adequate. A more general (though slightly more involved) solution for printing strings is given at Hello world/Line printer#EDSAC order code.
[ Print HELLO WORLD ]
[ A program for the EDSAC ]
[ Works with Initial Orders 2 ]
T64K [ Set load point: address 64 ]
GK [ Set base address ]
O13@ [ Each O order outputs one ]
O14@ [ character. The numerical ]
O15@ [ parameter gives the offset ]
O16@ [ (from the base address) where ]
O17@ [ the character to print is ]
O18@ [ stored ]
O19@
O20@
O21@
O22@
O23@
O24@
ZF [ Stop ]
*F [ Shift to print letters ]
HF [ Character literals ]
EF
LF
LF
OF
!F [ Space character ]
WF
OF
RF
LF
DF
EZPF [ Start program beginning at
the load point ]- Output:
HELLO WORLD
Efene[edit]
short version (without a function)
io.format("Hello world!~n")complete version (put this in a file and compile it)
@public
run = fn () {
io.format("Hello world!~n")
}Egel[edit]
def main = "Hello World!"Egison[edit]
(define $main
(lambda [$argv]
(write-string "Hello world!\n")))EGL[edit]
program HelloWorld
function main()
SysLib.writeStdout("Hello world!");
end
endEiffel[edit]
| This page uses content from Wikipedia. The original article was at Eiffel (programming language). The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance) |
class
HELLO_WORLD
create
make
feature
make
do
print ("Hello world!%N")
end
end
Ela[edit]
open monad io
do putStrLn "Hello world!" ::: IOElan[edit]
putline ("Hello, world!");elastiC[edit]
From the elastiC Manual.
package hello;
// Import the `basic' package
import basic;
// Define a simple function
function hello()
{
// Print hello world
basic.print( "Hello world!\n" );
}
/*
* Here we start to execute package code
*/
// Invoke the `hello' function
hello();Elena[edit]
ELENA 4.x:
public program()
{
console.writeLine:"Hello world!"
}Elisa[edit]
"Hello world!"?Elixir[edit]
IO.puts "Hello world!"
Elm[edit]
main = text "Goodbye World!"
Emacs Lisp[edit]
(message "Hello world!")
Alternatively, princ can be used:
(princ "Hello world!\n")
EMal[edit]
writeLine("Hello world!")Emojicode[edit]
🏁 🍇
😀 🔤Hello world!🔤
🍉Enguage[edit]
This shows "hello world", and shows how Enguage can generate this program on-the-fly.
On "say hello world", reply "hello world". ## This can be tested: #] say hello world: hello world. ## This can also be created within Enguage: #] to the phrase hello reply hello to you too: ok. #] hello: hello to you too.
Output:
TEST: hello =========== user> say hello world. enguage> hello world. user> to the phrase hello reply hello to you too. enguage> ok. user> hello. enguage> hello to you too. 1 test group(s) found +++ PASSED 3 tests in 53ms +++
Erlang[edit]
io:format("Hello world!~n").
ERRE[edit]
! Hello World in ERRE language
PROGRAM HELLO
BEGIN
PRINT("Hello world!")
END PROGRAMEuler Math Toolbox[edit]
"Hello world!"
Extended BrainF***[edit]
[.>]@Hello world!
Ezhil[edit]
பதிப்பி"வணக்கம் உலகம்!"
பதிப்பி "Hello world!"
பதிப்பி"******* வணக்கம்! மீண்டும் சந்திப்போம் *******"
exit()
F#[edit]
printfn "%s" "Hello world!"
or using .Net classes directly
System.Console.WriteLine("Hello world!")
Factor[edit]
"Hello world!" print
Falcon[edit]
With the printl() function:
printl("Hello world!")Or via "fast print":
> "Hello world!"FALSE[edit]
"Hello world!
"Fantom[edit]
class HelloText
{
public static Void main ()
{
echo ("Hello world!")
}
}Fe[edit]
(print "Hello World")
Fennel[edit]
(print "Hello World")
ferite[edit]
word.}}
uses "console";
Console.println( "Goodby, World!" );Fermat[edit]
!!'Hello, World!';Fexl[edit]
say "Hello world!"Fhidwfe[edit]
puts$ "Hello, world!\n"Fish[edit]
Standard Hello, world example, modified for this task:
!v"Hello world!"r!
>l?!;o
Explanation of the code:
!v" jumps over the v character with the ! sign, then starts the string mode with " .
Then the characters Hello world! are added, and string mode is closed with ".
The stack is reversed for printing (r), and a jump (!) is executed to jump over the ! at the beginning of the line and execute the v. (Fish is torical)
After going down by v, it goes rightwards again by > and this line is being executed.
This line pushes the stack size (l), and stops (;) if the top item on the stack is equal to 0 (?). Else it executes the ! directly after it and jumps to the o, which outputs the top item in ASCII. Then the line is executed again. It effectively prints the stack until it's empty, then it terminates.
FOCAL[edit]
TYPE "Hello, world" !Forth[edit]
." Hello world!"
Or as a whole program:
: goodbye ( -- ) ." Hello world!" CR ;
Fortran[edit]
Simplest case - display using default formatting:
print *,"Hello world!"
Use explicit output format:
100 format (5X,A,"!")
print 100,"Hello world!"
Output to channels other than stdout goes like this:
write (89,100) "Hello world!"uses the format given at label 100 to output to unit 89. If output unit with this number exists yet (no "OPEN" statement or processor-specific external unit setting), a new file will be created and the output sent there. On most UNIX/Linux systems that file will be named "fort.89". Template:7*7
Fortress[edit]
export Executable
run() = println("Hello world!")FreeBASIC[edit]
? "Hello world!"
sleep
Free Pascal[edit]
PROGRAM HelloWorld ;
{$APPTYPE CONSOLE}
(*)
https://www.freepascal.org/advantage.var
(*)
USES
crt;
BEGIN
WriteLn ( 'Hello world!' ) ;
END.Frege[edit]
module HelloWorld where
main _ = println "Hello world!"friendly interactive shell[edit]
Unlike other UNIX shell languages, fish doesn't support history substitution, so ! is safe to use without quoting.
echo Hello world!Frink[edit]
println["Hello world!"]FTCBASIC[edit]
print "Hello, world!"
pause
endFunL[edit]
println( 'Hello world!' )
Furor[edit]
."Hello, World!\n"Peri[edit]
."Hello, World!\n"FutureBasic[edit]
window 1
print @"Hello world!"
HandleEventsFUZE BASIC[edit]
PRINT "Hello world!"Gambas[edit]
Click this link to run this code
Public Sub Main()
PRINT "Hello world!"
EndGAP[edit]
# Several ways to do it
"Hello world!";
Print("Hello world!\n"); # No EOL appended
Display("Hello world!");
f := OutputTextUser();
WriteLine(f, "Hello world!\n");
CloseStream(f);GB BASIC[edit]
10 print "Hello world!"gecho[edit]
'Hello, <> 'World! printGema[edit]
Gema ia a preprocessor that reads an input file and writes an output file. This code will write "Hello world!' no matter what input is given.
*= ! ignore off content of input
\B=Hello world!\! ! Start output with this text.Genie[edit]
init
print "Hello world!"Gentee[edit]
func hello <main>
{
print("Hello world!")
}GFA Basic[edit]
PRINT "Hello World"GLBasic[edit]
STDOUT "Hello world!"Glee[edit]
"Hello world!"or
'Hello world!'or to display with double quotes
'"Goodbye,World!"'or to display with single quotes
"'Goodbye,World!'"Global Script[edit]
This uses the gsio I/O operations, which are designed to be simple to implement on top of Haskell and simple to use.
λ _. print qq{Hello world!\n}GlovePIE[edit]
debug="Hello world!"GML[edit]
show_message("Hello world!"); // displays a pop-up message
show_debug_message("Hello world!"); // sends text to the debug log or IDEGo[edit]
package main
import "fmt"
func main() { fmt.Println("Hello world!") }Golfscript[edit]
"Hello world!"Gosu[edit]
print("Hello world!")Grain[edit]
print("Hello world!")Groovy[edit]
println "Hello world!"GW-BASIC[edit]
10 PRINT "Hello world!"Hack[edit]
<?hh echo 'Hello world!'; ?>Halon[edit]
If the code in run in the REPL the output will be to stdout otherwise syslog LOG_DEBUG will be used.
echo "Hello world!";Harbour[edit]
? "Hello world!"Hare[edit]
use fmt;
export fn main() void = {
fmt::println("Hello, world!")!;
};Haskell[edit]
main = putStrLn "Hello world!"Haxe[edit]
trace("Hello world!");hexiscript[edit]
println "Hello world!"HicEst[edit]
WRITE() 'Hello world!'HLA[edit]
program goodbyeWorld;
#include("stdlib.hhf")
begin goodbyeWorld;
stdout.put( "Hello world!" nl );
end goodbyeWorld;HolyC[edit]
"Hello world!\n";Hoon[edit]
~& "Hello world!" ~HPPPL[edit]
PRINT("Hello world!");HQ9+[edit]
H- Technically, HQ9+ can't print "Hello world!" text because of its specification.
- H : Print 'Hello World!'
- Q : Quine
- 9 : Print '99 Bottles of Beer'
- + : Increase Pointer (useless!)
Huginn[edit]
#! /bin/sh
exec huginn --no-argv -E "${0}" "${@}"
#! huginn
main() {
print( "Hello World!\n" );
return ( 0 );
}HTML5[edit]
<!DOCTYPE html>
<html>
<body>
<h1>Hello world!</h1>
</body>
</html>Hy[edit]
(print "Hello world!")i[edit]
software {
print("Hello world!")
}Icon and Unicon[edit]
IDL[edit]
print,'Hello world!'Idris[edit]
module Main
main : IO ()
main = putStrLn "Hello world!"Inform 6[edit]
[Main;
print "Hello world!^";
];Inko[edit]
import std::stdio::stdout
stdout.print('Hello, world!')Insitux[edit]
(print "Hello, world!")Intercal[edit]
DO ,1 <- #13
PLEASE DO ,1 SUB #1 <- #238
DO ,1 SUB #2 <- #108
DO ,1 SUB #3 <- #112
DO ,1 SUB #4 <- #0
DO ,1 SUB #5 <- #64
DO ,1 SUB #6 <- #194
PLEASE DO ,1 SUB #7 <- #48
DO ,1 SUB #8 <- #26
DO ,1 SUB #9 <- #244
PLEASE DO ,1 SUB #10 <- #168
DO ,1 SUB #11 <- #24
DO ,1 SUB #12 <- #16
DO ,1 SUB #13 <- #162
PLEASE READ OUT ,1
PLEASE GIVE UP
Integer BASIC[edit]
NOTE: Integer BASIC was written (and hand-assembled by Woz himself) for the Apple 1 and original Apple 2. The Apple 1 has NO support for lower-case letters, and it was an expensive (and later) option on the Apple 2. This example accurately represents the only reasonable solution for those target devices, and therefore cannot be "fixed", only deleted.
10 PRINT "Hello world!"
20 ENDIo[edit]
"Hello world!" printlnIoke[edit]
"Hello world!" printlnIS-BASIC[edit]
PRINT "Hello world!"Isabelle[edit]
theory Scratch
imports Main
begin
value ‹''Hello world!''›
endIWBASIC[edit]
OPENCONSOLE
PRINT"Hello world!"
'This line could be left out.
PRINT:PRINT:PRINT"Press any key to end."
'Keep the console from closing right away so the text can be read.
DO:UNTIL INKEY$<>""
CLOSECONSOLE
ENDJ[edit]
'Hello world!'
Hello world!Here are some redundant alternatives:
[data=. 'Hello world!'
Hello world!
data
Hello world!
smoutput data
Hello world!
NB. unassigned names are verbs of infinite rank awaiting definition.
NB. j pretty prints the train.
Hello World!
Hello World !
NB. j is glorious, and you should know this!
i. 2 3 NB. an array of integers
0 1 2
3 4 5
verb_with_infinite_rank =: 'Hello world!'"_
verb_with_infinite_rank i. 2 3
Hello world!
verb_with_atomic_rank =: 'Hello world!'"0
verb_with_atomic_rank i. 2 3
Hello world!
Hello world!
Hello world!
Hello world!
Hello world!
Hello world!Jack[edit]
class Main {
function void main () {
do Output.printString("Hello world!");
do Output.println();
return;
}
}Jacquard Loom[edit]
This weaves the string "Hello world!"
+---------------+
| |
| * * |
|* * * * |
|* * *|
|* * *|
|* * * |
| * * * |
| * |
+---------------+
+---------------+
| |
|* * * |
|* * * |
| * *|
| * *|
|* * * |
|* * * * |
| * |
+---------------+
+---------------+
| |
|* ** * * |
|******* *** * |
| **** * * ***|
| **** * ******|
| ****** ** * |
| * * * * |
| * |
+---------------+
+---------------+
| |
|******* *** * |
|******* *** * |
| ** *|
|* * * *|
|******* ** * |
|******* *** * |
| * |
+---------------+
+---------------+
| |
|******* *** * |
|******* *** * |
| * * * *|
| * * * *|
|******* ** * |
|******* ** * |
| * |
+---------------+
+---------------+
| |
|***** * *** * |
|******* *** * |
| * * * * |
| * * * |
|****** ** * |
|****** ** * |
| * |
+---------------+
+---------------+
| |
| * * * |
|***** * ***** |
|***** ** * ***|
|***** ** * ***|
|******* * ** |
| * * * * |
| * |
+---------------+
+---------------+
| |
| |
| * * |
| * * |
| * |
| * |
| |
| |
+---------------+Jai[edit]
#import "Basic";
main :: () {
print("Hello, World!\n");
}Jakt[edit]
fn main() {
println("Hello world!")
}Janet[edit]
(print "Hello world!")Java[edit]
public class HelloWorld
{
public static void main(String[] args)
{
System.out.println("Hello world!");
}
}JavaScript[edit]
document.write("Hello world!");print('Hello world!');WScript.Echo("Hello world!");console.log("Hello world!")JCL[edit]
/*MESSAGE Hello world!Jinja[edit]
from jinja2 import Template
print(Template("Hello World!").render())A bit more convoluted, really using a template:
from jinja2 import Template
print(Template("Hello {{ something }}!").render(something="World"))Joy[edit]
"Hello world!\n" putchars.jq[edit]
"Hello world!"JSE[edit]
Print "Hello world!"Jsish[edit]
puts("Hello world!")Julia[edit]
println("Hello world!")K[edit]
"Hello world!"Some of the other ways this task can be attached are:
`0: "Hello world!\n"s: "Hello world!"
s\echo "Hello world!"Kabap[edit]
return = "Hello world!";Kaya[edit]
program hello;
Void main() {
// My first program!
putStrLn("Hello world!");
}Kdf9 Usercode[edit]
V2; W0;
RESTART; J999; J999;
PROGRAM; (main program);
V0 = Q0/AV1/AV2;
V1 = B0750064554545700; ("Hello" in Flexowriter code);
V2 = B0767065762544477; ("World" in Flexowriter code);
V0; =Q9; POAQ9; (write "Hello World" to Flexowriter);
999; OUT;
FINISH;Keg[edit]
Hello world\!Kite[edit]
simply a single line
"#!/usr/local/bin/kite
"Hello world!"|print;Kitten[edit]
"Hello world!" sayKoka[edit]
fun main() {
println("Hello world!")
}Alternatively:
- indentation instead of braces
- uniform function call syntax
- omitted parentheses for function calls with no parameters
fun main()
"Hello world!".printlnKonsolScript[edit]
Displays it in a text file or console/terminal.
function main() {
Konsol:Log("Hello world!")
}Kotlin[edit]
fun main() {
println("Hello world!")
}KQL[edit]
print 'Hello world!'KSI[edit]
`plain
'Hello world!' #echo #Lambdatalk[edit]
Hello world!
{h1 Hello world!}
_h1 Hello world!\nLang[edit]
fn.println(Hello world!)Lang5[edit]
"Hello world!\n" .langur[edit]
writeln "yo, peeps"Lasso[edit]
A plain string is output automatically.
'Hello world!'LaTeX[edit]
\documentclass{minimal}
\begin{document}
Hello World!
\end{document}Latitude[edit]
putln "Hello world!".LC3 Assembly[edit]
.orig x3000
LEA R0, hello ; R0 = &hello
TRAP x22 ; PUTS (print char array at addr in R0)
HALT
hello .stringz "Hello World!"
.endOr (without PUTS)
.orig x3000
LEA R1, hello ; R1 = &hello
TOP LDR R0, R1, #0 ; R0 = R1[0]
BRz END ; if R0 is string terminator (x0000) go to END
TRAP x21 ; else OUT (write char in R0)
ADD R1, R1, #1 ; increment R1
BR TOP ; go to TOP
END HALT
hello .stringz "Hello World!"
.endLDPL[edit]
procedure:
display "Hello World!" crlfLean[edit]
#eval "Hello world!"Slightly longer version:
def main : IO Unit :=
IO.println ("Hello world!")
#eval mainLFE[edit]
(: io format '"Hello world!~n")Liberty BASIC[edit]
print "Hello world!"LIL[edit]
#
# Hello world in lil
#
print "Hello, world!"Lily[edit]
There are two ways to do this. First, with the builtin print:
print("Hello world!")Second, by using stdout directly:
stdout.print("Hello world!\n")Lilypond[edit]
\version "2.18.2"
global = {
\time 4/4
\key c \major
\tempo 4=100
}
\relative c''{ g e e( g2)
}
\addlyrics {
Hel -- lo, World!
}Limbo[edit]
implement Command;
include "sys.m";
sys: Sys;
include "draw.m";
include "sh.m";
init(nil: ref Draw->Context, nil: list of string)
{
sys = load Sys Sys->PATH;
sys->print("Hello world!\n");
}Lingo[edit]
put "Hello world!"or:
trace("Hello world!")Lisaac[edit]
You can print to standard output in Lisaac by calling STRING.print or INTEGER.print:
Section Header // The Header section is required.
+ name := GOODBYE; // Define the name of this object.
Section Public
- main <- ("Hello world!\n".print;);However, it may be more straightforward to use IO.print_string instead:
Section Header // The Header section is required.
+ name := GOODBYE2; // Define the name of this object.
Section Public
- main <- (IO.put_string "Hello world!\n";);Little[edit]
Output to terminal:
puts("Hello world!");Without the newline terminator:
puts(nonewline: "Hello world!");Output to arbitrary open, writable file, for example the standard error channel:
puts(stderr, "Hello world!");LiveCode[edit]
Examples using the full LiveCode IDE.
Text input and output done in the Message palette/window:
put "Hello World!"Present a dialog box to the user
Answer "Hello World!"Example using command-line livecode-server in shell script
#! /usr/local/bin/livecode-server
set the outputLineEndings to "lf"
put "Hello world!" & returnLivecode also supports stdout as a device to write to
write "Hello world!" & return to stdoutLLVM[edit]
; const char str[14] = "Hello World!\00"
@.str = private unnamed_addr constant [14 x i8] c"Hello, world!\00"
; declare extern `puts` method
declare i32 @puts(i8*) nounwind
define i32 @main()
{
call i32 @puts( i8* getelementptr ([14 x i8]* @str, i32 0,i32 0))
ret i32 0
}Lobster[edit]
print "Hello world!"Logo[edit]
Print includes a line feed:
print [Hello world!]Type does not:
type [Hello world!]Logtalk[edit]
:- object(hello_world).
% the initialization/1 directive argument is automatically executed
% when the object is loaded into memory:
:- initialization(write('Hello world!\n')).
:- end_object.LOLCODE[edit]
HAI
CAN HAS STDIO?
VISIBLE "Hello world!"
KTHXBYELotusScript[edit]
:- object(hello_world).
'This will send the output to the status bar at the bottom of the Notes client screen
print "Hello world!"
:- end_object.LSE[edit]
AFFICHER [U, /] 'Hello world!'LSE64[edit]
"Hello world!" ,t nlLua[edit]
Function calls with either a string literal or a table constructor passed as their only argument do not require parentheses.
print "Hello world!"Harder way with a table:
local chars = {"G","o","o","d","b","y","e",","," ","W","o","r","l","d","!"}
for i = 1, #chars do
io.write(chars[i])
end
-- or:
print(table.concat(chars))Luna[edit]
def main:
hello = "Hello, World!"
print helloM2000 Interpreter[edit]
Print "Hello World!" \\ printing on columns, in various ways defined by last $() for specific layer
Print $(4),"Hello World!" \\ proportional printing using columns, expanded to a number of columns as the length of string indicates.
Report "Hello World!" \\ proportional printing with word wrap, for text, can apply justification and rendering a range of text linesM4[edit]
For the particular nature of m4, this is simply:
`Hello world!'MACRO-10[edit]
TITLE HELLO
COMMENT !
Hello-World program, PDP-10 assembly language, written by kjx, 2022.
Assembler: MACRO-10 Operating system: TOPS-20
!
SEARCH MONSYM ;Get symbolic names for system-calls.
GO:: RESET% ;System call: Initialize process.
HRROI 1,[ASCIZ /Hello World!/] ;Put pointer to string into register 1.
PSOUT% ;System call: Print string.
HALTF% ;System call: Halt program.
JRST GO ;Unconditional jump to GO (in case the
;user uses the CONTINUE-command while this
;program is still loaded).
END GOMACRO-11[edit]
;
; TEXT BASED HELLO WORLD
; WRITTEN BY: BILL GUNSHANNON
;
.MCALL .PRINT .EXIT
.RADIX 10
MESG1: .ASCII " "
.ASCII " HELLO WORLD "
.EVEN
START:
.PRINT #MESG1
DONE:
; CLEAN UP AND GO BACK TO KMON
.EXIT
.END START
Maclisp[edit]
(format t "Hello world!~%")Or
(print "Hello world!")MAD[edit]
VECTOR VALUES HELLO = $11HHELLO WORLD*$
PRINT FORMAT HELLO
END OF PROGRAMmake[edit]
Makefile contents:
all:
$(info Hello world!)Running make produces:
Hello world!
make: Nothing to be done for `all'.
Malbolge[edit]
Long version:
('&%:9]!~}|z2Vxwv-,POqponl$Hjig%eB@@>}=<M:9wv6WsU2T|nm-,jcL(I&%$#"
`CB]V?Tx<uVtT`Rpo3NlF.Jh++FdbCBA@?]!~|4XzyTT43Qsqq(Lnmkj"Fhg${z@>Short version:
(=<`#9]~6ZY32Vx/4Rs+0No-&Jk)"Fh}|Bcy?`=*z]Kw%oG4UUS0/@-ejc(:'8dc- Output:
HELLO WORLD!
MANOOL[edit]
In “applicative” notation:
{{extern "manool.org.18/std/0.3/all"} in WriteLine[Out; "Hello world!"]}OOPish notation (equivalent to the above, up to Abstract Syntax Tree):
{{extern "manool.org.18/std/0.3/all"} in Out.WriteLine["Hello world!"]}LISPish notation (ditto):
{{extern "manool.org.18/std/0.3/all"} in {WriteLine Out "Hello world!"}}Using a colon punctuator (ditto):
{{extern "manool.org.18/std/0.3/all"} in: WriteLine Out "Hello world!"}Note that all semicolons, wherever allowed, are optional. The above example with all possible semicolons:
{{extern; "manool.org.18/std/0.3/all"} in: WriteLine; Out; "Hello world!"}Maple[edit]
> printf( "Hello world!\n" ): # print without quotes
Hello world!Mathcad[edit]
Simply type the following directly onto a Mathcad worksheet (A worksheet is Mathcad's combined source code file & console).
"Hello, World!"Applies to Mathcad Prime, Mathcad Prime Express and Mathcad 15 (and earlier)
Mathematica / Wolfram Language[edit]
Print["Hello world!"]MATLAB[edit]
>> disp('Hello world!')
Maude[edit]
fmod BYE-WORLD is
protecting STRING .
op sayBye : -> String .
eq sayBye = "Hello world!" .
endfm
red sayBye .Maxima[edit]
print("Hello world!");MAXScript[edit]
print "Hello world!"or:
format "%" "Hello world!"MDL[edit]
<PRINC "Hello world!">
<CRLF>MEL[edit]
proc helloWorld () {
print "Hello, world!\n";
}MelonBasic[edit]
Say:Hello world!
helloWorld;Mercury[edit]
:- module hello.
:- interface.
:- import_module io.
:- pred main(io::di, io::uo) is det.
:- implementation.
main(!IO) :-
io.write_string("Hello world!\n", !IO).Metafont[edit]
message "Hello world!"; endMicrosoft Small Basic[edit]
TextWindow.WriteLine("Hello world!")min[edit]
"Hello world!" putsMinimal BASIC[edit]
10 PRINT "Hello world!"
20 ENDMiniScript[edit]
print "Hello world!"MiniZinc[edit]
output ["Hello World"];- Output:
Hello World ----------
MIPS Assembly[edit]
and .data #section for declaring variables
hello: .asciiz "Hello world!" #asciiz automatically adds the null terminator. If it's .ascii it doesn't have it.
.text # beginning of code
main: # a label, which can be used with jump and branching instructions.
la $a0, hello # load the address of hello into $a0
li $v0, 4 # set the syscall to print the string at the address $a0
syscall # make the system call
li $v0, 10 # set the syscall to exit
syscall # make the system callMiranda[edit]
main :: [sys_message]
main = [Stdout "Hello, world!\n"]mIRC Scripting Language[edit]
echo -ag Hello world!ML/I[edit]
Hello world!Modula-2[edit]
MODULE Hello;
IMPORT InOut;
BEGIN
InOut.WriteString('Hello world!');
InOut.WriteLn
END Hello.TopSpeed Modula-2[edit]
Modula-2 does not have built-in procedures for I/O. Instead, I/O is done via library modules. The names and contents of these modules vary between implementations of Modula-2. The solution below shows that the console I/O module supplied with TopSpeed Modula-2 has a different name and different procedures from the implementation in the previous solution.
MODULE Hello;
IMPORT IO;
BEGIN
IO.WrStr('Hello world!'); IO.WrLn;
(* Another way, showing some features of Modula-2 *)
IO.WrStr("Hello"); (* either single or double quotes can be used *)
IO.WrChar(40C); (* character whose ASCII code is 40 octal *)
IO.WrStr('world!');
IO.WrLn(); (* procedure with no arguments: () is optional *)
END Hello.Modula-3[edit]
MODULE Goodbye EXPORTS Main;
IMPORT IO;
BEGIN
IO.Put("Hello world!\n");
END Goodbye.MontiLang[edit]
|Hello, World!| PRINT .Morfa[edit]
import morfa.io.print;
func main(): void
{
println("Hello world!");
}Mosaic[edit]
proc main =
println "Hello, world"
endOr just:
println "Hello, world"MSX Basic[edit]
10 PRINT "Hello world!"MUF[edit]
: main[ -- ]
me @ "Hello world!" notify
exit
;MUMPS[edit]
Write "Hello world!",!MyDef[edit]
Run with:mydef_run hello.def
Perl:
$print Hello worldC:
module: c
$print Hello worldpython:
module: python
$print Hello worldJavaScript
module: js
$print "Hello world"go:
module: go
$print Hello worldMyrtleScript[edit]
script HelloWorld {
func main returns: int {
print("Hello World!")
}
}MySQL[edit]
SELECT 'Hello world!';Mythryl[edit]
print "Hello world!";N/t/roff[edit]
To get text output, compile the source file using NROFF and set output to the text terminal. If you compile using TROFF, you will get graphical output suitable for typesetting on a graphical typesetter/printer instead.
Because /.ROFF/ is a document formatting language, the majority of input is expected to be text to output onto a medium. Therefore, there are no routines to explicitly call to print text.
Hello world!Nanoquery[edit]
println "Hello world!"Neat[edit]
void main() writeln "Hello world!";Neko[edit]
$print("Hello world!");Nemerle[edit]
class Hello
{
static Main () : void
{
System.Console.WriteLine ("Hello world!");
}
}Easier method:
System.Console.WriteLine("Hello world!");NetRexx[edit]
say 'Hello world!'Never[edit]
func main() -> int {
prints("Hello world!\n");
0
}- Output:
prompt$ never -f hello.nev Hello world!
newLISP[edit]
(println "Hello world!")Nickle[edit]
printf("Hello world!\n")Nim[edit]
echo("Hello world!")using stdout
stdout.writeLine("Hello World!")Nit[edit]
print "Hello world!"Nix[edit]
"Hello world!"NLP++[edit]
@CODE
"output.txt" << "Hello world!";
@@CODENS-HUBASIC[edit]
As lowercase characters are not offered in NS-HUBASIC, perhaps some flexibility in the task specification could be offered.
Using ?:
10 ? "HELLO WORLD!"Using PRINT:
10 PRINT "HELLO WORLD!"Nutt[edit]
module hello_world
imports native.io.output.say
say("Hello, world!")
endNyquist[edit]
Interpreter: Nyquist (3.15)
LISP syntax[edit]
(format t "Hello world!")Or
(print "Hello world!")SAL syntax[edit]
print "Hello World!"Or
exec format(t, "Hello World!")Oberon-2[edit]
MODULE Goodbye;
IMPORT Out;
PROCEDURE World*;
BEGIN
Out.String("Hello world!");Out.Ln
END World;
BEGIN
World;
END Goodbye.Objeck[edit]
class Hello {
function : Main(args : String[]) ~ Nil {
"Hello world!"->PrintLine();
}
}ObjectIcon[edit]
import io
procedure main ()
io.write ("Hello world!")
end- Output:
$ oiscript hello-OI.icn Hello world!
Objective-C[edit]
The de facto Objective-C "Hello, World!" program is most commonly illustrated as the following, using the NSLog() function:
#import <Foundation/Foundation.h>
int main() {
@autoreleasepool {
NSLog(@"Hello, World!");
}
}However the purpose of the NSLog() function is to print a message to standard error prefixed with a timestamp, which does not meet the most common criteria of a "Hello, World!" program of displaying only the requested message to standard output.
The following code prints the message to standard output without a timestamp using exclusively Objective-C messages:
#import <Foundation/Foundation.h>
int main() {
@autoreleasepool {
NSFileHandle *standardOutput = [NSFileHandle fileHandleWithStandardOutput];
NSString *message = @"Hello, World!\n";
[standardOutput writeData:[message dataUsingEncoding:NSUTF8StringEncoding]];
}
}Objective-C also supports functions contained within the C standard library. However, Objective-C's NSString objects must be converted into a UTF-8 string in order to be supported by the C language's I/O functions.
#import <Foundation/Foundation.h>
int main() {
@autoreleasepool {
NSString *message = @"Hello, World!\n";
printf("%s", message.UTF8String);
}
}OCaml[edit]
print_endline "Hello world!"Occam[edit]
#USE "course.lib"
PROC main (CHAN BYTE screen!)
out.string("Hello world!*c*n", 0, screen)
:Octave[edit]
disp("Hello world!");Or, using C-style function printf:
printf("Hello world!");Odin[edit]
package main
import "core:fmt"
main :: proc() {
fmt.println("Hellope!");
}Oforth[edit]
"Hello world!" .Ol[edit]
(print "Hello world!")Onyx[edit]
`Hello world!\n' print flushOOC[edit]
To print a String, either call its println() method:
main: func {
"Hello world!" println()
}Or call the free println() function with the String as the argument.
main: func {
println("Hello world!")
}ooRexx[edit]
Refer also to the Rexx and NetRexx solutions. Simple output is common to most Rexx dialects.
/* Rexx */
say 'Hello world!'OpenLisp[edit]
We can use the same code as the Common Lisp example, but as a shell script.
#!/openlisp/uxlisp -shell
(format t "Hello world!~%")
(print "Hello world!")Output: Hello world! "Hello world!"
Openscad[edit]
echo("Hello world!"); // writes to the console
text("Hello world!"); // creates 2D text in the object space
linear_extrude(height=10) text("Hello world!"); // creates 3D text in the object spaceOwl Lisp[edit]
(print "Hello world!")- Output:
$ ol hello-Owl.scm Hello world!
Oxygene[edit]
From wp:Oxygene (programming language)
namespace HelloWorld;
interface
type
HelloClass = class
public
class method Main;
end;
implementation
class method HelloClass.Main;
begin
writeLn('Hello world!');
end;
end.>HelloWorld.exe Hello world!
Oz[edit]
{Show "Hello world!"}PARI/GP[edit]
print("Hello world!")Pascal[edit]
program byeworld;
begin
writeln('Hello world!');
end.PascalABC.NET[edit]
// Hello world/Text. Nigel Galloway: January 25th., 2023
begin
System.Console.WriteLine('Hello World!');
end.- Output:
Hello World!
PASM[edit]
print "Hello world!\n"
endPDP-1 Assembly[edit]
This can be assembled with macro1.c distributed with SIMH and then run on the SIMH PDP-1 simulator.
hello
/ above: title line - was punched in human readable letters on paper tape
/ below: location specifier - told assembler what address to assemble to
100/
lup, lac i ptr / load ac from address stored in pointer
cli / clear io register
lu2, rcl 6s / rotate combined ac + io reg 6 bits to the left
/ left 6 bits in ac move into right 6 bits of io reg
tyo / type out character in 6 right-most bits of io reg
sza / skip next instr if accumulator is zero
jmp lu2 / otherwise do next character in current word
idx ptr / increment pointer to next word in message
sas end / skip next instr if pointer passes the end of message
jmp lup / otherwise do next word in message
hlt / halt machine
ptr, msg / pointer to current word in message
msg, text "hello, world" / 3 6-bit fiodec chars packed into each 18-bit word
end, . / sentinel for end of message
start 100 / tells assembler where program startsPDP-11 Assembly[edit]
This is Dennis Ritchie's Unix Assembler ("as"). Other PDP-11 assemblers include PAL-11R, PAL-11S and MACRO-11.
to.globl start
.text
start:
mov $1,r0 / r0=stream, STDOUT=$1
sys 4; outtext; outlen / sys 4 is write
sys 1 / sys 1 is exit
rts pc / in case exit returns
.data
outtext: <Hello world!\n>
outlen = . - outtextPebble[edit]
;Hello world example program
;for x86 DOS
;compile with Pebble
;compiled com program is 51 bytes
program examples\hello
begin
echo "Hello, world!"
pause
kill
endPepsiScript[edit]
The letters are only outputted in uppercase in the running program. However, lowercase characters can be used in the code instead.
For typing:
#include default-libraries
#author Childishbeat
class Hello world/Text:
function Hello world/Text:
print "Hello world!"
endFor importing:
•dl◘Childishbeat◙♦Hello world/Text♪♣Hello_world!♠
Perl[edit]
print "Hello world!\n";Backported from Raku:
use feature 'say';
say 'Hello world!';or:
use 5.010;
say 'Hello world!';Peylang[edit]
chaap 'Hello world!';- Output:
$ peyman hello.pey Hello world!
Pharo[edit]
"Comments are in double quotes"
"Sending message printString to 'Hello World' string"
'Hello World' printStringPhix[edit]
puts(1,"Hello world!")
PHL[edit]
module helloworld;
extern printf;
@Integer main [
printf("Hello world!");
return 0;
]PHP[edit]
<?php
echo "Hello world!\n";
?>Alternatively, any text outside of the <?php ?> tags will be automatically echoed:
Hello world!Picat[edit]
println("Hello, world!")PicoLisp[edit]
(prinl "Hello world!")Pict[edit]
Using the syntax sugared version:
(prNL "Hello World!");Using the channel syntax:
new done: ^[]
run ( prNL!["Hello World!" (rchan done)]
| done?_ = () )Pikachu[edit]
pikachu pika pikachu pika pika pi pi pika pikachu pika pikachu pi pikachu pi pikachu pi pika pi pikachu pikachu pi pi pika pika pikachu pika pikachu pikachu pi pika pi pika pika pi pikachu pikachu pi pikachu pi pika pikachu pi pikachu pika pikachu pi pikachu pikachu pi pikachu pika pika pikachu pi pikachu pi pi pikachu pikachu pika pikachu pi pika pi pi pika pika pikachu pikachu pi pi pikachu pi pikachu
pikachu pikachu pi pikachu
pikachu pika pika pikachu pika pikachu pikachu pika pika pikachu pikachu pi pi pikachu pika pikachu pika pika pi pika pikachu pikachu pi pika pika pikachu pi pika pi pika pi pikachu pi pikachu pika pika pi pi pika pi pika pika pikachu pikachu pika pikachu pikachu pika pi pikachu pika pi pikachu pi pika pika pi pikachu pika pi pika pikachu pi pi pikachu pika pika pi pika pi pikachu
pikachu pikachu pi pikachu
pikachu pika pi pika pika pikachu pika pikachu pi pikachu pi pi pika pi pikachu pika pi pi pika pikachu pi pikachu pi pi pikachu pikachu pika pikachu pikachu pika pi pikachu pi pika pikachu pi pikachu pika pika pikachu pika pi pi pikachu pikachu pika pika pikachu pi pika pikachu pikachu pi pika pikachu pikachu pika pi pi pikachu pikachu pi pikachu pi pikachu pi pikachu pi pika pikachu pi pikachu pika pikachu pi pika pi pikachu
pi pika
pikachu pikachu pi pikachu
pika pi
pikachu pikachu pi pikachu
pikachu pi pikachu pi pi pikachu pi pikachu pika pikachu pikachu pi pikachu pikachu pika pi pi pika pikachu pika pikachu pi pi pikachu pika pi pi pikachu pika pika pi pika pika pikachu pika pikachu pi pi pika pikachu pika pi pikachu pikachu pi pikachu pika pikachu pikachu pika pi pi pikachu pikachu pi pika pikachu pi pikachu pika pikachu pikachu pika pi pikachu pikachu pika pikachu pi pikachu pika pika pi pikachu pi pika pi pikachu pikachu pi pikachu
pi pika
pikachu pikachu pi pikachu
pikachu pikachu pi pika pikachu pi pika pika pi pi pika pi pikachu pi pika pi pika pi pika pikachu pika pi pi pikachu pi pikachu pi pika pi pika pika pikachu pi pikachu
pikachu pikachu pi pikachu
pikachu pi pikachu pika pikachu pi pika pi pikachu pikachu pika pika pi pi pikachu pi pika pi pikachu pi pika pikachu pi pika pi pi pikachu pikachu pika pika pikachu pikachu pi pi pikachu pi pikachu pi pikachu pi pi pikachu pikachu pi pikachu pi pikachu pi pika pika pikachu pikachu pika pi pika pikachu pi pikachu pi pi pika pikachu pika pi pikachu pi pika pi pi pikachu pikachu pika pika pikachu pika pika pikachu pi pika pi pika pikachu pi pika pikachu pika pi pika pikachu
pikachu pikachu pika pikachu
pikachu pikachu pika pikachu
pi pi pikachu pi pikachu pika pika pi pikachu pika pika pi pi pika pika pikachu pi pi pikachu pi pika pi pika pikachu pi pikachu pi pikachu pikachu pi pi pika pika pi pika pika pi pika pikachu pikachu pi pikachu pika pi pi pika pi pi pikachu pikachu pika pi pi pika pika pi pika pikachu pi pikachu pi pi pika pi pika pika pikachu pika pi pika pikachu pi pikachu pikachu pi pi pika pi pika pika pikachu pikachu pi pikachu
pikachu pikachu pi pikachu
pikachu pi pikachu pikachu pika pikachu pikachu pika pika pikachu pikachu pika pikachu pi pika pikachu pika pika pi pikachu pi pi pika pi pi pikachu pika pika pikachu pikachu pika pikachu pikachu pi pika pi pi pikachu pikachu pika pi pi pikachu pikachu pika pikachu pika pi pikachu pi pika pi pika pikachu pika pi pikachu pi pikachu pikachu pi pika pikachu pi pikachu pikachu pi pika pi pikachu pikachu pi pikachu pika pika pi pi pikachu
pikachu pi pi pika pi pi pikachu pika pikachu pikachu pika pika pi pi pika pikachu pi pikachu pi pi pika pi pika pi pi pika pikachu pi pika pi pikachu pika pikachu pika pi pi pika pi pi pikachu pi pikachu pikachu pika pi pikachu pi pi pika pi pikachu pi pi pika pi pi pikachu pika pikachu pika pikachu pika pi pikachu pikachu pi pi pika pika pikachu
pikachu pikachu pi pikachu
pikachu pikachu pika pikachuPike[edit]
int main(){
write("Hello world!\n");
}PILOT[edit]
T:Hello world!PIR[edit]
.sub hello_world_text :main
print "Hello world!\n"
.endPixilang[edit]
fputs("Hello world!\n")PL/I[edit]
goodbye:proc options(main);
put list('Hello world!');
end goodbye;PL/M[edit]
The original PL/M compiler does not recognise lower-case letters, hence the Hello, World! string must specify the ASCII codes for the lower-case letters.
100H:
/* CP/M BDOS SYSTEM CALL */
BDOS: PROCEDURE( FN, ARG ); DECLARE FN BYTE, ARG ADDRESS; GOTO 5; END;
/* PRINT A $ TERMINATED STRING */
PRINT$STRING: PROCEDURE( S ); DECLARE S ADDRESS; CALL BDOS( 9, S ); END;
/* HELLO, WORLD! IN MIXED CASE */
DECLARE HELLO$WORLD ( 14 ) BYTE
INITIAL( 'H', 65H, 6CH, 6CH, 6FH, ',', ' '
, 'W', 6FH, 72H, 6CH, 64H, 21H, '$'
);
CALL PRINT$STRING( .HELLO$WORLD );
EOFPL/SQL[edit]
set serveroutput on
BEGIN
DBMS_OUTPUT.PUT_LINE('Hello world!');
END;
/SQL> set serveroutput on
SQL>
SQL> BEGIN
2 DBMS_OUTPUT.PUT_LINE('Hello world!');
3 END;
4 /
Hello world!
PL/SQL procedure successfully completed.
Plain English[edit]
\This prints Hello World within the CAL-4700 IDE.
\...and backslashes are comments!
To run:
Start up.
Write "Hello World!" to the console.
Wait for the escape key.
Shut down.Plan[edit]
This prints HELLO WORLD on operator's console.
#STEER LIST,BINARY
#PROGRAM HLWD
#LOWER
MSG1A 11HHELLO WORLD
MSG1B 11/MSG1A
#PROGRAM
#ENTRY 0
DISTY MSG1B
SUSWT 2HHH
#END
#FINISH
#STOPPointless[edit]
output = println("Hello world!")Pony[edit]
actor Main
new create(env: Env) =>
env.out.print("Hello world!")Pop11[edit]
printf('Hello world!\n');Portugol[edit]
Portugol keywords are Portuguese words.
programa {
// funcao defines a new function
// inicio is the entry point of the program, like main in C
funcao inicio() {
// escreva is used to print stuff to the screen
escreva("Hello, world!\n") // no ';' needed
}
}PostScript[edit]
To generate a document that shows the text "Hello world!":
%!PS
/Helvetica 20 selectfont
70 700 moveto
(Hello world!) show
showpageIf the viewer has a console, then there are the following ways to display the topmost element of the stack:
(Hello world!) ==will display the string "(Hello world!)";
(Hello world!) =will display the content of the string "(Hello world!)"; that is, "Hello world!";
(Hello world!) printwill do the same, without printing a newline. It may be necessary to provoke an error message to make the console pop up. The following program combines all four above variants:
%!PS
/Helvetica 20 selectfont
70 700 moveto
(Hello world!) dup dup dup
= print == % prints three times to the console
show % prints to document
1 0 div % provokes error message
showpagePotion[edit]
"Hello world!\n" printPowerBASIC[edit]
#COMPILE EXE
#COMPILER PBCC 6
FUNCTION PBMAIN () AS LONG
CON.PRINT "Hello world!"
CON.WAITKEY$
END FUNCTIONPowerShell[edit]
This example used to say that using Write-Host was good practice. This is not true - it should in fact be avoided in most cases.
See http://www.jsnover.com/blog/2013/12/07/write-host-considered-harmful/ (Jeffrey Snover is one of the creators of PowerShell).
'Hello world!'Processing[edit]
println("Hello world!");ProDOS[edit]
printline Hello world!Programming Language[edit]
For typing:
print(Hello world!)For importing:
[print(Hello world!)]
Prolog[edit]
:- write('Hello world!'), nl.PROMAL[edit]
program hello
include library
begin
output "Hello world!"
endPSQL[edit]
EXECUTE BLOCK RETURNS(S VARCHAR(40)) AS BEGIN S = 'Hello world!'; SUSPEND; END
Pure[edit]
using system;
puts "Hello world!\n" ;PureBasic[edit]
OpenConsole()
PrintN("Hello world!")
Input() ; Wait for enterusing Debug
Debug("Hello world!")Python[edit]
print "Hello world!"The same using sys.stdout
import sys
sys.stdout.write("Hello world!\n")In Python 3.0, print is changed from a statement to a function.
(And version 2.X too).print("Hello world!")An easter egg
The first two examples print Hello, world! once, and the last one prints it twice.
import __hello__import __phello__import __phello__.spamQB64[edit]
PRINT "Hello world!"Quackery[edit]
say "Hello world!"Quill[edit]
"Hello world!" printQuite BASIC[edit]
10 print "Hello world!"R[edit]
cat("Hello world!\n")or
message("Hello world!")or
print("Hello world!")Ra[edit]
class HelloWorld
**Prints "Hello world!"**
on start
print "Hello world!"Racket[edit]
(printf "Hello world!\n")Raku[edit]
(formerly Perl 6)
say 'Hello world!';In an object-oriented approach, the string is treated as an object calling its say() method:
"Hello, World!".say();Raven[edit]
'Hello world!' printRATFOR[edit]
program hello
write(*,101)"Hello World"
101 format(A)
end
RASEL[edit]
A"!dlroW ,olleH">:?@,HjREALbasic[edit]
This requires a console application.
Function Run(args() as String) As Integer
Print "Hello world!"
Quit
End FunctionREBOL[edit]
print "Hello world!"RED[edit]
print "Hello world!"Relation[edit]
' Hello world!ReScript[edit]
Js.log("Hello world!")- Output:
$ bsc hello.res > hello.bs.js $ node hello.bs.js Hello world!
Retro[edit]
'Hello_world! s:putREXX[edit]
using SAY[edit]
/*REXX program to show a line of text. */
say 'Hello world!'using SAY variable[edit]
/*REXX program to show a line of text. */
yyy = 'Hello world!'
say yyyusing LINEOUT[edit]
/*REXX program to show a line of text. */
call lineout ,"Hello world!"Ring[edit]
See "Hello world!"RISC-V Assembly[edit]
.data
hello:
.string "Hello World!\n\0"
.text
main:
la a0, hello
li a7, 4
ecall
li a7, 10
ecallRoc[edit]
app "hello"
packages { pf: "https://github.com/roc-lang/basic-cli/releases/download/0.1.1/zAoiC9xtQPHywYk350_b7ust04BmWLW00sjb9ZPtSQk.tar.br" }
imports [pf.Stdout]
provides [main] to pf
main =
Stdout.line "I'm a Roc application!"Rockstar[edit]
Shout "Hello world!"RPL[edit]
In RPL, the standard output console is the stack itself.
≪ "Hello world!" ≫
RTL/2[edit]
TITLE Goodbye World;
LET NL=10;
EXT PROC(REF ARRAY BYTE) TWRT;
ENT PROC INT RRJOB();
TWRT("Hello world!#NL#");
RETURN(1);
ENDPROC;Ruby[edit]
puts "Hello world!"or
$stdout.puts "Hello world!"or even
STDOUT.write "Hello world!\n"
Using the > global
$>.puts "Hello world!"$>.write "Hello world!\n"Run BASIC[edit]
print "Hello world!"Rust[edit]
fn main() {
print!("Hello world!");
}or
fn main() {
println!("Hello world!");
}Salmon[edit]
"Hello world!"!or
print("Hello world!\n");or
standard_output.print("Hello world!\n");SAS[edit]
/* Using a data step. Will print the string in the log window */
data _null_;
put "Hello world!";
run;SASL[edit]
Note that a string starts with a single and ends with a double quote
'Hello World!",nlSather[edit]
class GOODBYE_WORLD is
main is
#OUT+"Hello world!\n";
end;
end;Scala[edit]
Ad hoc REPL solution[edit]
Ad hoc solution as REPL script. Type this in a REPL session:
println("Hello world!")Via Java runtime[edit]
This is a call to the Java run-time library. Not recommended.
System.out.println("Hello world!")Via Scala Console API[edit]
This is a call to the Scala run-time library. Recommended.
println("Hello world!")Short term deviation to out[edit]
Console.withErr(Console.out) { Console.err.println("This goes to default _out_") }Long term deviation to out[edit]
Console.err.println ("Err not deviated")
Console.setErr(Console.out)
Console.err.println ("Err deviated")
Console.setErr(Console.err) // Reset to normalScheme[edit]
All Scheme implementations display the value of the last evaluated expression before the program terminates.
"Hello world!"The display and newline procedures are found in specific modules of the standard library in R6RS and R7RS. The previous standards have no concept of modules and the entirety of the standard library is loaded by default.
R5RS[edit]
(display "Hello world!")
(newline)R6RS[edit]
(import (rnrs base (6))
(rnrs io simple (6)))
(display "Hello world!")
(newline)R7RS[edit]
(import (scheme base)
(scheme write))
(display "Hello world!")
(newline)Scilab[edit]
disp("Hello world!");ScratchScript[edit]
print "Hello world!"This example waits until the mouse is clicked for the program to end. This can be useful if the program executes too fast for "Hello world!" to be visible on the screen long enough for it to be comfortable.
print "Hello world!"
delayOnClicksed[edit]
i\
Hello world!
qSeed7[edit]
$ include "seed7_05.s7i";
const proc: main is func
begin
writeln("Hello world!");
end func;Self[edit]
'Hello world!' printLine.SenseTalk[edit]
put "Hello world!"Set lang[edit]
set ! H
set ! E
set ! L
set ! L
set ! O
set ! 32
set ! W
set ! O
set ! R
set ! L
set ! D
set ! 33SETL[edit]
print("Hello world!");SETL4[edit]
out("Hello world!");endShen[edit]
(output "Hello world!~%")Shiny[edit]
say 'Hello world!'Sidef[edit]
„Hello world!”.say;SimpleCode[edit]
The letters are only outputted in uppercase in the running program. However, lowercase characters can be used in the code instead.
dtxt
Hello world!SIMPOL[edit]
function main()
end function "Hello world!{d}{a}"Simula[edit]
BEGIN
OUTTEXT("Hello world!");
OUTIMAGE
ENDSing[edit]
requires "sio";
public fn singmain(argv [*]string) i32
{
sio.print("hello world !\r\n");
return(0);
}Sisal[edit]
define main
% Sisal doesn't yet have a string built-in.
% Let's define one as an array of characters.
type string = array[character];
function main(returns string)
"Hello world!"
end functionSkew[edit]
@entry
def main {
dynamic.console.log("Hello world!")
}SkookumScript[edit]
print("Hello world!")Alternatively if just typing in the SkookumIDE REPL:
"Hello world!"Slate[edit]
inform: 'Hello world!'.Slope[edit]
(write "Hello, world!")Smalltalk[edit]
Transcript show: 'Hello world!'; cr.'Hello world!' printNl.smart BASIC[edit]
PRINT "Hello world!"SmileBASIC[edit]
PRINT "Hello world!"SNOBOL4[edit]
Using CSnobol4 dialect
OUTPUT = "Hello world!"
ENDSNUSP[edit]
Core SNUSP[edit]
/++++!/===========?\>++.>+.+++++++..+++\
\+++\ | /+>+++++++>/ /++++++++++<<.++>./
$+++/ | \+++++++++>\ \+++++.>.+++.-----\
\==-<<<<+>+++/ /=.>.+>.--------.-/Modular SNUSP[edit]
@\G.@\o.o.@\d.--b.@\y.@\e.>@\comma.@\.<-@\W.+@\o.+++r.------l.@\d.>+.! #
| | \@------|# | \@@+@@++|+++#- \\ -
| \@@@@=+++++# | \===--------!\===!\-----|-------#-------/
\@@+@@@+++++# \!#+++++++++++++++++++++++#!/Soda[edit]
class Main
main (arguments : Array [String] ) : Unit =
println ("Hello world!")
endSoneKing Assembly[edit]
extern print
dv Msg Goodbye,World!
mov eax Msg
push
call print
popSPARC Assembly[edit]
.section ".text"
.global _start
_start:
mov 4,%g1 ! 4 is SYS_write
mov 1,%o0 ! 1 is stdout
set .msg,%o1 ! pointer to buffer
mov (.msgend-.msg),%o2 ! length
ta 8
mov 1,%g1 ! 1 is SYS_exit
clr %o0 ! return status is 0
ta 8
.msg:
.ascii "Hello world!\n"
.msgend:Sparkling[edit]
print("Hello world!");SPL[edit]
#.output("Hello world!")SQL[edit]
select 'Hello world!' text from dual;SQL>select 'Hello world!' text from dual; TEXT ------------ Hello world!
SQL PL[edit]
With SQL only:
SELECT 'Hello world!' AS text FROM sysibm.sysdummy1;Output:
db2 -t db2 => SELECT 'Hello world!' AS text FROM sysibm.sysdummy1; TEXT ------------ Hello world! 1 record(s) selected.version 9.7 or higher.
With SQL PL:
SET SERVEROUTPUT ON;
CALL DBMS_OUTPUT.PUT_LINE('Hello world!');Output:
db2 -t
db2 => SET SERVEROUTPUT ON
DB20000I The SET SERVEROUTPUT command completed successfully.
db2 => CALL DBMS_OUTPUT.PUT_LINE('Hello world!')
Return Status = 0
Hello world!
Standard ML[edit]
print "Hello world!\n"Stata[edit]
display "Hello world!"Suneido[edit]
Print("Hello world!")Swahili[edit]
andika("Hello world!")Swift[edit]
print("Hello world!")println("Hello world!")Symsyn[edit]
'hello world' []TailDot[edit]
c,x,Hello World!,v,xTailspin[edit]
'Hello World' -> !OUT::writeTcl[edit]
Output to terminal:
puts stdout {Hello world!}Output to arbitrary open, writable file:
puts $fileID {Hello world!}Teco[edit]
Outputting to terminal. Please note that ^A means control-A, not a caret followed by 'A', and that $ represent the ESC key.
^AHello world!^A$$Tern[edit]
println("Hello world!");Terra[edit]
C = terralib.includec("stdio.h")
terra hello(argc : int, argv : &rawstring)
C.printf("Hello world!\n")
return 0
endTerraform[edit]
output "result" {
value = "Hello world!"
}- Output:
$ terraform init $ terraform apply Apply complete! Resources: 0 added, 0 changed, 0 destroyed. Outputs: result = Hello world! $ terraform output result Hello world!
TestML[edit]
%TestML 0.1.0
Print("Hello world!")TI-57[edit]
0.7745
You must then turn the calculator upside down to read the text: screenshot
TI-83 BASIC[edit]
Disp "Hello world!(Lowercase letters DO exist in TI-BASIC, though you need an assembly program to enable them.)
TI-89 BASIC[edit]
Disp "Hello world!"Tiny BASIC[edit]
10 PRINT "Hello, World!"
20 ENDTiny Craft Basic[edit]
10 cls
20 print "Hello, World!"
30 shell "pause"TMG[edit]
Unix TMG:
begin: parse(( = { <Hello, World!> * } ));TorqueScript[edit]
echo("Hello world!");TPP[edit]
Hello world!Transact-SQL[edit]
PRINT "Hello world!"Transd[edit]
(textout "Hello, World!")TransFORTH[edit]
PRINT " Hello world! "Trith[edit]
"Hello world!" printTrue BASIC[edit]
! In True BASIC all programs run in their own window. So this is almost a graphical version.
PRINT "Hello world!"
ENDTUSCRIPT[edit]
$$ MODE TUSCRIPT
PRINT "Hello world!"Output:
Hello world!
uBasic/4tH[edit]
Print "Hello world!"Uniface[edit]
message "Hello world!"Unison[edit]
main = '(printLine "Hello world!")UNIX Shell[edit]
#!/bin/sh
echo "Hello world!"C Shell[edit]
#!/bin/csh -f
echo "Hello world!\!"We use \! to prevent history substitution. Plain ! at end of string seems to be safe, but we use \! to be sure.
Unlambda[edit]
`r```````````````.G.o.o.d.b.y.e.,. .W.o.r.l.d.!iUrsa[edit]
out "hello world!" endl consoleUrsala[edit]
output as a side effect of compilation
#show+
main = -[Hello world!]-output by a compiled executable
#import std
#executable ('parameterized','')
main = <file[contents: -[Hello world!]-]>!Ursalang[edit]
print("hello woods!")உயிர்/Uyir[edit]
முதன்மை என்பதின் வகை எண் பணி {{
("உலகத்தோருக்கு வணக்கம்") என்பதை திரை.இடு;
முதன்மை = 0;
}};Uxntal[edit]
( hello-world.tal )
|00 @System [ &vector $2 &wst $1 &rst $1 &eaddr $2 &ecode $1 &pad $1 &r $2 &g $2 &b $2 &debug $1 &halt $1 ]
|10 @Console [ &vector $2 &read $1 &pad $5 &write $1 &error $1 ]
( program )
|0100 @on-reset ( -> )
;hello print-str
HALT
BRK
@print-str ( str* -- )
&while
LDAk #18 DEO
INC2 LDAk ?&while
POP2
JMP2r
@HALT ( -- )
#01 .System/halt DEO
JMP2r
@hello "Hello 20 "world! 0a 00V[edit]
"Hello world!" putsVala[edit]
void main(){
stdout.printf("Hello world!\n");
}Vale[edit]
import stdlib.*;
exported func main() {
println("Hello world!");
}VAX Assembly[edit]
desc: .ascid "Hello World!" ;descriptor (len+addr) and text
.entry hello, ^m<> ;register save mask
pushaq desc ;address of descriptor
calls #1, g^lib$put_output ;call with one argument on stack
ret ;restore registers, clean stack & return
.end hello ;transfer address for linkerVBA[edit]
Public Sub hello_world_text
Debug.Print "Hello World!"
End Sub
VBScript[edit]
WScript.Echo "Hello world!"Vedit macro language[edit]
Message("Hello world!")Verbexx[edit]
@SAY "Hello world!";
Verilog[edit]
module main;
initial begin
$display("Hello world!");
$finish ;
end
endmoduleVHDL[edit]
LIBRARY std;
USE std.TEXTIO.all;
entity test is
end entity test;
architecture beh of test is
begin
process
variable line_out : line;
begin
write(line_out, string'("Hello world!"));
writeline(OUTPUT, line_out);
wait; -- needed to stop the execution
end process;
end architecture beh;Vim Script[edit]
echo "Hello world!\n"Visual Basic[edit]
Visual Basic 6 is actually designed to create GUI applications, however with a little help from the Microsoft.Scripting Library it is fairly easy to write a simple console application.
Option Explicit
Private Declare Function AllocConsole Lib "kernel32.dll" () As Long
Private Declare Function FreeConsole Lib "kernel32.dll" () As Long
'needs a reference set to "Microsoft Scripting Runtime" (scrrun.dll)
Sub Main()
Call AllocConsole
Dim mFSO As Scripting.FileSystemObject
Dim mStdIn As Scripting.TextStream
Dim mStdOut As Scripting.TextStream
Set mFSO = New Scripting.FileSystemObject
Set mStdIn = mFSO.GetStandardStream(StdIn)
Set mStdOut = mFSO.GetStandardStream(StdOut)
mStdOut.Write "Hello world!" & vbNewLine
mStdOut.Write "press enter to quit program."
mStdIn.Read 1
Call FreeConsole
End SubVisual Basic .NET[edit]
Imports System
Module HelloWorld
Sub Main()
Console.WriteLine("Hello world!")
End Sub
End ModuleViua VM assembly[edit]
.function: main/0
text %1 local "Hello World!"
print %1 local
izero %0 local
return
.endV (Vlang)[edit]
fn main() {
println('Hello World!')
}VTL-2[edit]
10 ?="Hello world!"Wart[edit]
prn "Hello world!"WDTE[edit]
io.writeln io.stdout 'Hello world!';WebAssembly[edit]
(module $helloworld
;;Import fd_write from WASI, declaring that it takes 4 i32 inputs and returns 1 i32 value
(import "wasi_unstable" "fd_write"
(func $fd_write (param i32 i32 i32 i32) (result i32))
)
;;Declare initial memory size of 32 bytes
(memory 32)
;;Export memory so external functions can see it
(export "memory" (memory 0))
;;Declare test data starting at address 8
(data (i32.const 8) "Hello world!\n")
;;The entry point for WASI is called _start
(func $main (export "_start")
;;Write the start address of the string to address 0
(i32.store (i32.const 0) (i32.const 8))
;;Write the length of the string to address 4
(i32.store (i32.const 4) (i32.const 13))
;;Call fd_write to print to console
(call $fd_write
(i32.const 1) ;;Value of 1 corresponds to stdout
(i32.const 0) ;;The location in memory of the string pointer
(i32.const 1) ;;Number of strings to output
(i32.const 24) ;;Address to write number of bytes written
)
drop ;;Ignore return code
)
)Wee Basic[edit]
print 1 "Hello world!"
endWhenever[edit]
1 print("Hello world!");Whiley[edit]
import whiley.lang.System
method main(System.Console console):
console.out.println("Hello world!")Whitespace[edit]
There is a "Hello World" - example-program on the Whitespace-website
Wisp[edit]
Output in Wisp follows the same concepts as Scheme, but replacing outer parentheses with indentation.
With Guile and wisp installed, this example can be tested in a REPL started with guile --language=wisp, or directly with the command wisp.
import : scheme base
scheme write
display "Hello world!"
newlineWolfram Language[edit]
Print["Hello world!"]Wren[edit]
System.print("Hello world!")X10[edit]
class HelloWorld {
public static def main(args:Rail[String]):void {
if (args.size < 1) {
Console.OUT.println("Hello world!");
return;
}
}
}X86 Assembly[edit]
This is known to work on Linux, it may or may not work on other Unix-like systems
Prints "Hello world!" to stdout (and there is probably an even simpler version):
section .data
msg db 'Hello world!', 0AH
len equ $-msg
section .text
global _start
_start: mov edx, len
mov ecx, msg
mov ebx, 1
mov eax, 4
int 80h
mov ebx, 0
mov eax, 1
int 80hAT&T syntax: works with gcc (version 4.9.2) and gas (version 2.5):
.section .text
.globl main
main:
movl $4,%eax #syscall number 4
movl $1,%ebx #number 1 for stdout
movl $str,%ecx #string pointer
movl $16,%edx #number of bytes
int $0x80 #syscall interrupt
ret
.section .data
str: .ascii "Hello world!\12"X86-64 Assembly[edit]
UASM[edit]
option casemap:none
if @Platform eq 1
option dllimport:<kernel32>
ExitProcess proto :dword
option dllimport:none
exit equ ExitProcess
endif
printf proto :qword, :vararg
exit proto :dword
.code
main proc
invoke printf, CSTR("Goodbye, World!",10)
invoke exit, 0
ret
main endp
endAT&T syntax (Gas)[edit]
// No "main" used
// compile with `gcc -nostdlib`
#define SYS_WRITE $1
#define STDOUT $1
#define SYS_EXIT $60
#define MSGLEN $14
.global _start
.text
_start:
movq $message, %rsi // char *
movq SYS_WRITE, %rax
movq STDOUT, %rdi
movq MSGLEN, %rdx
syscall // sys_write(message, stdout, 0x14);
movq SYS_EXIT, %rax
xorq %rdi, %rdi // The exit code.
syscall // exit(0)
.data
message: .ascii "Hello, world!\n"XBasic[edit]
PROGRAM "hello"
VERSION "0.0003"
DECLARE FUNCTION Entry()
FUNCTION Entry()
PRINT "Hello World"
END FUNCTION
END PROGRAMxEec[edit]
h#10 h$! h$d h$l h$r h$o h$w h#32
h$o h$l h$l h$e h$H >o o$ p jnoXL[edit]
use XL.UI.CONSOLE
WriteLn "Hello world!"XLISP[edit]
(DISPLAY "Hello world!")
(NEWLINE)XPL0[edit]
code Text=12;
Text(0, "Hello world!
")XPath[edit]
'Hello world
'XSLT[edit]
With a literal newline:
<xsl:text>Hello world!
</xsl:text>Or, with an explicit newline:
<xsl:text>Hello world!
</xsl:text>Yabasic[edit]
print "Hello world!"YAMLScript[edit]
All the following examples are valid YAML and valid YAMLScript.
This is a good example of various ways to write function calls in YAMLScript.
Since function calls must fit into their YAML context, which may be mappings, sequences or scalars; it is actually useful to support these variants.
(println "Hello world!")(say "Hello world!")say("Hello world!")say("Hello world!"):say:
- "Hello world!"say: ["Hello world!"]say: "Hello world!"say("Hello"): "world!"say: ["Hello", "world!"]# The . at the start of a value is way to indicate that the value is a scalar (string).
# Without the . this would be invalid YAML(Script).
say: ."Hello", "world!"Yorick[edit]
write, "Hello world!"Z80 Assembly[edit]
Using the Amstrad CPC firmware:
org $4000
txt_output: equ $bb5a
push hl
ld hl,world
print: ld a,(hl)
cp 0
jr z,end
call txt_output
inc hl
jr print
end: pop hl
ret
world: defm "Hello world!\r\n\0"zkl[edit]
println("Hello world!");Zig[edit]
const std = @import("std");
pub fn main() !void {
try std.io.getStdOut().writer().writeAll("Hello world!\n");
}Zoea[edit]
program: hello_world
output: "Hello world!"Zoea Visual[edit]
Zoomscript[edit]
For typing:
print "Hello world!"For importing:
¶0¶print "Hello world!"
ZX Spectrum Basic[edit]
10 print "Hello world!"- Pages with syntax highlighting errors
- Programming Tasks
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- Selection/Short Circuit/Console Program Basics
- Simple
- 0815
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- 360 Assembly
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- உயிர்/Uyir
- Uxntal
- V
- Vala
- Vale
- VAX Assembly
- VBA
- VBScript
- Vedit macro language
- Verbexx
- Verilog
- VHDL
- Vim Script
- Visual Basic
- Microsoft.Scripting
- Visual Basic .NET
- Viua VM assembly
- V (Vlang)
- VTL-2
- Wart
- WDTE
- WebAssembly
- WASI
- Wee Basic
- Whenever
- Whiley
- Whitespace
- Wisp
- Wren
- X10
- X86 Assembly
- X86-64 Assembly
- XBasic
- XEec
- XL
- XLISP
- XPL0
- XPath
- XSLT
- Yabasic
- YAMLScript
- Yorick
- Z80 Assembly
- Zkl
- VBA/Omit
- Zig
- Zoea
- Zoea Visual
- Zoomscript
- ZX Spectrum Basic
- Pages with too many expensive parser function calls