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begin
printf(($gl$,"Hello, world!"))
end
PrototypeCodec
begin
printf(($gl$,"Hello, world!"))
endBEGIN DISPLAY("HELLO WORLD!") END.echo "Hello, World!"say "Hello, world!"
// with alert window
display alert "Hello, world!"@echo off
echo Hello, World!with Ada.Text_IO;
use Ada.Text_IO;
procedure Hello is
begin
Put_Line ("Hello, world!");
end Hello;." Hello, World!" CR10 PRINT "Hello, World!"IDENTIFICATION DIVISION.
PROGRAM-ID. HELLO-WORLD.
* simple hello world program
PROCEDURE DIVISION.
DISPLAY 'Hello, World!'.
STOP RUN.#include <iostream>
int main() {
std::cout << "Hello, World!\n";
}