In the User Output task, the goal is to display the string "Goodbye, World!"

Text Terminal

Ada

Compiler: GCC 4.1.2

with Ada.Text_IO; use Ada.Text_IO;
procedure Main is
begin
  Put_Line ("Goodbye, World!");
end Main;

BASIC

Compiler: BASICA

10 print "Goodbye World!"

C

Compiler Suite: GCC 4.0.1

#include <stdio.h>

int main(int argc, char **argv)
{
  printf("Goodbye, World!\n");

  return 0;
}

C++

Compiler Suite: GCC 4.1.2, Visual Studio 2005

#include <iostream>

using std::cout;
using std::endl;

int main () {
  cout << "Goodbye, World!" << endl;

  return 0;
}

C#

Compiler Suite: All should work, tested on Mono 1.2

System.Console.WriteLine("Goodbye, World!");

Java

Compiler: any Java compiler should do

System.out.println("Goodbye, World!");

Lua

Interpreter: Lua 5.1.1

print("Goodbye, World!")

or:

print "Goodbye, World!"

In Lua, parentheses are optional for function calls when there is only one argument and this argument is either a string or a table constructor.

mIRC

Editor: mIRC Script Editor

alias saygoodbye { echo -a Goodbye! }

OCaml

print_endline "Goodbye, World!"

Pascal

Compiler: Free Pascal

program byeworld;
begin
 writeln('Goodbye, World!');
end.

Perl

Interpreter: Perl 5.8.8

print "Goodbye, World!\n";

PHP

echo "Goodbye, World!\n";

Python

Interpreter: Python 2.4

print "Goodbye, World!"

Ruby

Interpreter: Ruby 1.8.4

puts "Goodbye, World!"

or

$stdout.puts "Goodbye, World!"

UNIX Shell

Interpreter: Bourne Again SHell (bash)

#!/bin/bash
echo "Goodbye World!"

GUI

Actionscript

trace("Goodbye, World!");

C++

Compiler Suite: GCC 3.3.5

Library: Gtk

#include <gtkmm.h>
int main(int argc, char *argv[])
{
   Gtk::Main app(argc, argv);
   Gtk::MessageDialog msg("Goodbye, World!");
   msg.run();
}

Java

Interpreter: Java

Library: Swing

import javax.swing.*;
public class OutputSwing {
    public static void main(String[] args) throws Exception {
        JOptionPane.showMessageDialog (null, "Goodbye, World!");
    }
}

Python

Interpreter: Python 2.5

Library: Tkinter API (using tkMessageBox helper class)

 import tkMessageBox
 
 result = tkMessageBox.showinfo("Some Window Label", "Goodbye, World!")

Note: The result is a string of the button that was pressed.

Visual Basic .NET

Compiler Suite: Visual Studio 2005

Module GoodbyeWorld
    Sub Main()
        Messagebox.Show("Goodbye, World!")
    End Sub
End Module