Smalltalk

   Transcript show: 'Hello, world!'

SML

   print "Hello, world!\\n";

SNOBOL

       OUTPUT = "Hello, world!"
   END

SQL

   create table MESSAGE (TEXT char(15));
   insert into MESSAGE (TEXT) values ('Hello, world!');
   select TEXT from MESSAGE;
   drop table MESSAGE;

StarOffice Basic

   sub main
   print "Hello, World"
   end sub

Tcl

   puts "Hello, world!"

TI-BASIC

   :Disp "Hello, world!"

Turing

   put "Hello, world!"

UNIX-style shell

   echo 'Hello, world!'

Romanian pseudocode (UBB Cluj-Napoca)

   Algoritmul Salut este:
       fie s:="Hello, world";
       tipareste s;
   sf-Salut

Graphical User Interfaces - as traditional applications

C++ bindings for GTK graphics toolkit

   #include 
   #include 
   #include 
   #include 
   using namespace std;

   class HelloWorld : public Gtk::Window {
   public:
     HelloWorld();
     virtual ~HelloWorld();
   protected:
     Gtk::Button m_button;
     virtual void on_button_clicked();
   };

   HelloWorld::HelloWorld()
   : m_button("Hello, world!") {
       set_border_width(10);
       m_button.signal_clicked().connect(SigC::slot(*this,
                                         &HelloWorld::on_button_clicked));
       add(m_button);
       m_button.show();
   }

   HelloWorld::~HelloWorld() {}

   void HelloWorld::on_button_clicked() {
       cout << "Hello, world!" << endl;
   }

   int main (int argc, char *argv[]) {
       Gtk::Main kit(argc, argv);
       HelloWorld helloworld;
       Gtk::Main::run(helloworld);
       return 0;
   }

Qt toolkit (in C++)

   #include 
   #include 
   #include 
   #include 

   class HelloWorld : public QWidget
   {
       Q_OBJECT

   public:
       HelloWorld();
       virtual ~HelloWorld();
   public slots:
       void handleButtonClicked();
       QPushButton *mPushButton;
   };

   HelloWorld::HelloWorld() :
       QWidget(),
       mPushButton(new QPushButton("Hello, World!", this))
   {
       connect(mPushButton, SIGNAL(clicked()), this, SLOT(handleButtonClicked()));
   }

   HelloWorld::~HelloWorld() {}

   void HelloWorld::handleButtonClicked()
   {
       std::cout << "Hello, World!" << std::endl;
   }

   int main(int argc, char *argv[])
   {
       QApplication app(argc, argv);
       HelloWorld helloWorld;
       app.setMainWidget(&helloWorld);
       helloWorld.show();
       return app.exec();
   }

Windows API (in C)

   #include 

   LRESULT CALLBACK WindowProcedure(HWND, UINT, WPARAM, LPARAM);

   char szClassName[] = "MainWnd";
   HINSTANCE hInstance;

   int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
   {
     HWND hwnd;
     MSG msg;
     WNDCLASSEX wincl;

     hInstance = hInst;

     wincl.cbSize = sizeof(WNDCLASSEX);
     wincl.cbClsExtra = 0;
     wincl.cbWndExtra = 0;
     wincl.style = 0;
     wincl.hInstance = hInstance;
     wincl.lpszClassName = szClassName;
     wincl.lpszMenuName = NULL; //No menu
     wincl.lpfnWndProc = WindowProcedure;
     wincl.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1); //Color of the window
     wincl.hIcon = LoadIcon(NULL, IDI_APPLICATION); //EXE icon
     wincl.hIconSm = LoadIcon(NULL, IDI_APPLICATION); //Small program icon
     wincl.hCursor = LoadCursor(NULL, IDC_ARROW); //Cursor

     if (!RegisterClassEx(&wincl))
           return 0;

     hwnd = CreateWindowEx(0, //No extended window styles
           szClassName, //Class name
           "", //Window caption
           WS_OVERLAPPEDWINDOW & ~WS_MAXIMIZEBOX,
           CW_USEDEFAULT, CW_USEDEFAULT, //Let Windows decide the left and top positions of the window
           120, 50, //Width and height of the window,
           NULL, NULL, hInstance, NULL);

     //Make the window visible on the screen
     ShowWindow(hwnd, nCmdShow);

     //Run the message loop
     while (GetMessage(&msg, NULL, 0, 0))
     {
           TranslateMessage(&msg);
           DispatchMessage(&msg);
     }
     return msg.wParam;
   }

   LRESULT CALLBACK WindowProcedure(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
   {
     PAINTSTRUCT ps;
     HDC hdc;
     switch (message)
     {
     case WM_PAINT:
           hdc = BeginPaint(hwnd, &ps);
           TextOut(hdc, 15, 3, "Hello, world!", 13);
           EndPaint(hwnd, &ps);
           break;
     case WM_DESTROY:
           PostQuitMessage(0);
           break;
     default:
           return DefWindowProc(hwnd, message, wParam, lParam);
     }
     return 0;
   }

Java

   import java.awt.*;
   import java.awt.event.*;

   public class HelloFrame extends Frame {
     HelloFrame(String title) {
       super(title);
     }
     public void paint(Graphics g) {
       super.paint(g);
       java.awt.Insets ins = this.getInsets();
       g.drawString("Hello, world!", ins.left + 25, ins.top + 25);
     }
     public static void main(String args [])
     {
       HelloFrame fr = new HelloFrame("Hello");

       fr.addWindowListener(
         new WindowAdapter() {
           public void windowClosing(WindowEvent e)
           {
             System.exit( 0 );
           }
         }
       );
       fr.setResizable(true);
       fr.setSize(500, 100);
       fr.setVisible(true);
     }
   }

Graphical User Interfaces - Web browser based

JavaScript, aka ECMAScript

XUL

Document Formats

HTML

   
   
   
   
   
   Hello, world!
   
   

PostScript

   /font /Courier findfont 24 scalefont
   font setfont
   100 100 moveto
   (Hello world!) show
   showpage

TeX

   \\font\\HW=cmr10 scaled 3000
   \\leftline{\\HW Hello world}
   \\bye

Also see

External links