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Hello World

编程日记 2024-05-26 03:00:00

作为所有编程语言的起始阶段，HELLO WORLD占据着无法改变的地位，所有中/英/法/德/美……版本的编程教材中，HELLO WORLD总是作为第一个TEST记录于书本之中，所有的编程第一步就在于此了！经典之中的经典！HELLO WORLD！

  这个例程是从Kernighan & Ritchie 合著的《The C Programme Language》开始有的，因为它的简洁，实用，并包含了一个程序所应具有的一切，因此为后来的些类书的作者提供了范例，一直待续到今。

  我们刚开始接触计算机语言大多从Hello world 开始，下面是各种语言的Hello world program：

  as400的RPGLE语言：

  D Vc_Hello s 100A

  C Eval Vc_Hello = 'Hello World!'

  C DSPLY Vc_Hello
AKA 控制台:ABC语言的Hello World程序  WHILE (1=1) :

  WRITE "Hello World "
Ada语言的Hello World程序  with Ada.Text_Io; use Ada.Text_Io;

  procedure Hello is

  begin

  Put_Line ("Hello, world!");

  end Hello;
AmigaE语言的Hello World程序  PROC main()

  WriteF('Hello, World!')

  ENDPROC
APL语言的Hello World程序  'Hello World'
Assembly语言的Hello World程序  Accumulator-only architecture: DEC PDP-8, PAL-III assembler

  See the Example section of the PDP-8 article.

  Accumulator + index register machine: MOS 6502, CBM, ca65 asm

  MSG: .ASCIIZ "Hello, world!"

  LDX #0

  LDA MSG,X ; load initial char

  @LP: JSR $FFD2 ; CHROUT CBM KERNAL

  INX

  LDA MSG,X

  BNE @LP

  RTS

  Accumulator/Index microcoded machine: Data General Nova, RDOS

  See the example section of the Nova article.

  Expanded accumulator machine: Intel x86, MS-DOS, TASM

  MODEL SMALL

  IDEAL

  STACK 100H
DATASEG语言的Hello World程序  MSG DB 'Hello, world!$'
CODESEG语言的Hello World程序  MOV AX, @data

  MOV DS, AX

  MOV DX, OFFSET MSG

  MOV AH, 09H ; DOS: output ASCII$ string

  INT 21H

  MOV AX, 4C00H

  INT 21H

  END

  General-purpose-register CISC: DEC PDP-11, RT-11, MACRO-11

  .MCALL .REGDEF,.TTYOUT,.EXIT

  .REGDEF

  HELLO: MOV #MSG,R1

  MOVB (R1),R0

  LOOP: .TTYOUT

  MOVB +(R1),R0

  BNE LOOP

  .EXIT

  MSG: .ASCIZ /HELLO, WORLD!/

  .END HELLO

  CISC: VAX, VMS, MACRO32

  .title hello

  term_name: .ascid /SYS$INPUT/

  term_chan: .blkw 1

  out_iosb: .blkq 1

  msg: .asciz /Hello, world!/

  .entry start,0

  ; establish a channel for terminal I/O

  $assign_s devnam=term_name,-

  chan=term_chan

  blbc r0,error

  ; queue the I/O request

  $qio_s chan=term_chan,-

  func=#io$_writevblk,-

  iosb=out_iosb,-

  p1=msg,-

  p2=#13

  blbc r0,error

  $exit_s ; normal exit

  error: halt ; error condition

  .end start
AWK语言的Hello World程序  BEGIN { print "Hello, world!" }
BASIC语言的Hello World程序  PRINT "HELLO WORLD"
MS BASIC语言的Hello World程序  (traditional, unstructured)

  10 PRINT "Hello, world!"

  20 END
TI-BASIC语言的Hello World程序  isp "Hello, world!"
Structured BASIC语言的Hello World程序  print "Hello, world!"
BCPL语言的Hello World程序  GET "LIBHDR"

  LET START () BE

  $(

  WRITES ("Hello, world!*N")

  $)
C语言的Hello World程序  #include <stdio.h>

  int main(void)

  {

   printf("Hello, world!\n");

   }


C++语言的Hello World程序  #include <iostream>

  using namespace std;

  int main()

  {

  cout << "Hello, world!" << endl;

  return 0;

  }
C#语言的Hello World程序  class HelloWorldApp

  {

  public static void Main()

  {

  System.Console.WriteLine("Hello world!");

  }

  }
Clean语言的Hello World程序  module hello

  Start :: String

  Start = "Hello, world"
CLIST语言的Hello World程序  PROC 0

  WRITE Hello, World!
COBOL语言的Hello World程序  IDENTIFICATION DIVISION.

  PROGRAM-ID. HELLO-WORLD.

  ENVIRONMENT DIVISION.

  DATA DIVISION.

  PROCEDURE DIVISION.

  DISPLAY "Hello, world!".

  STOP RUN.
Common Lisp语言的Hello World程序  (format t "Hello world!~%")
Eiffel语言的Hello World程序  class HELLO_WORLD

  creation

  make

  feature

  make is

  local

  io:BASIC_IO

  do

  !!io

  io.put_string("%N Hello, world!")

  end -- make

  end -- class HELLO_WORLD
Erlang语言的Hello World程序  -module(hello).

  -export([hello_world/0]).

  hello_world() -> io:fwrite("Hello, world!\n").
Forth语言的Hello World程序  ." Hello, world!" CR
Fortran语言的Hello World程序  PROGRAM HELLO

  WRITE(*,10)

  10 FORMAT('Hello, world!')

  STOP

  END
Haskell语言的Hello World程序  module HelloWorld (main) where

  main = putStr "Hello World\n"
Iptscrae语言的Hello World程序  ON ENTER {

  "Hello, " "World!" & SAY

  }
Java语言的Hello World程序  public class Example{

  public static void main(String[] args) {

  System.out.println("Hello, world!");

  }

  }
Logo语言的Hello World程序  print [hello world!]
Lua语言的Hello World程序  print "Hello, world!"
MIXAL语言的Hello World程序  TERM EQU 19 the MIX console device number

  ORIG 1000 start address

  START OUT MSG(TERM) output data at address MSG

  HLT halt execution

  MSG ALF "MIXAL"

  ALF " HELL"

  ALF "O WOR"

  ALF "LD "

  END START end of the program
MSDOS batch语言的Hello World程序  @echo off

  echo Hello, world!
OCaml语言的Hello World程序  let _ =

  print_endline "Hello world!";;

  OPL

  PROC hello:

  PRINT "Hello, World"

  ENDP
Pascal语言的Hello World程序  program hello_world;

  begin

  writeln('Hello World!');

  end.
Perl语言的Hello World程序  print "Hello, world!\n";
PHP语言的Hello World程序  <?php

  print("Hello, world!");

  ?>
Pike语言的Hello World程序  #!/usr/local/bin/pike

  int main() {

  write("Hello, world!\n");

  return 0;

  }
PL/I语言的Hello World程序  Test: procedure options(main);

  declare My_String char(20) varying initialize('Hello, world!');

  put skip list(My_String);

  end Test;
Python语言的Hello World程序  print "Hello, world!"
REXX语言的Hello World程序  also NetRexx and Object REXX

  say "Hello, world!"
Ruby语言的Hello World程序  print "Hello, world!\n"
Sather语言的Hello World程序  class HELLO_WORLD is

  main is

  #OUT+"Hello World\n";

  end;

  end;
Scheme语言的Hello World程序  (display "Hello, world!")

  (newline)
sed语言的Hello World程序  (requires at least one line of input)

  sed -ne '1s/.*/Hello, world!/p'
Self语言的Hello World程序  'Hello, World!' uppercase print.
Smalltalk语言的Hello World程序  Transcript show: 'Hello, world!'
SML语言的Hello World程序  print "Hello, world!\n";
SNOBOL语言的Hello World程序  OUTPUT = "Hello, world!"

  END
SQL语言的Hello World程序  create table MESSAGE (TEXT char(15));

  insert into MESSAGE (TEXT) values ('Hello, world!');

  select TEXT from MESSAGE;

  drop table MESSAGE;

  Or, more simply

  print 'Hello, World.'

  StarOffice Basic

  sub main

  print "Hello, World"

  end sub
Tcl语言的Hello World程序  puts "Hello, world!"
Turing语言的Hello World程序  put "Hello, world!"
UNIX-style shell语言的Hello World程序  echo 'Hello, world!'
Romanian pseudocode语言的Hello World程序  (UBB Cluj-Napoca)Algoritmul Salut este:

  fie s:="Hello, world";

  tipareste s;

  sf-Salut
传统图形界面应用开发工具: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:lot(*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;

  }
Java语言的Hello World程序  import java.awt.*;

  import java.awt.event.*;

  public class HelloFrame extends Frame {

  HelloFrame(String title) {

  super(title);

  }

  public void paint(Graphics g) {

  super.paint;

  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);

  }

  }

  Qt toolkit (in C++)

  #include

  #include

  #include

  #include

  class HelloWorld : public QWidget

  {

  Q_OBJECT
QApplication app语言的Hello World程序  (argc, argv);

  HelloWorld helloWorld;

  app.setMainWidget(&helloWorld);

  helloWorld.show();

  return app.exec();

  }
Visual Basic语言的Hello World程序  1.信息框

  MsgBox "Hello, world!"

  2.输出到窗体

  Print "Hello, world!"
Windows API (in C)语言的Hello World程序  #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;

  }
基于web图形用户界面:Java applet语言的Hello World程序  Java applets work in conjunction with HTML files.

  HelloWorld Program says:

  import java.applet.*;

  import java.awt.*;

  public class HelloWorld extends Applet {

  public void paint(Graphics g) {

  g.drawString("Hello, world!", 100, 50);

  }

  }
JavaScript, aka ECMAScript  JavaScript is a scripting language used in HTML files. To demo this program Cut and Paste the following code into any HTML file.

  οnclick="javascript:helloWorld();">Hello World Example

  An easier method uses JavaScript implicitly, calling the reserved alert function. Cut and paste the following line inside the .... HTML tags.

  Hello World Example

  An even easier method involves using popular browsers' support for the virtual 'javascript' protocol to execute JavaScript code. Enter the following as an Internet address (usually by pasting into the address box):

  javascript:alert('Hello, world!')

  文档格式:
ASCII语言的Hello World程序  The following sequence of characters, expressed in hexadecimal notation (with carriage return and newline characters at end of sequence):

  48 65 6C 6C 6F 2C 20 77 6F 72 6C 64 21 0D 0A
HTML语言的Hello World程序  <HTML>

  <body>

  <p>Hello, world!</p>

  </body>

  </HTML>
PostScript语言的Hello World程序  /font /Courier findfont 24 scalefont

  font setfont

  100 100 moveto

  (Hello world!) show

  showpage
TeX语言的Hello World程序  \font\HW=cmr10 scaled 3000

  \leftline{\HW Hello world}

  \bye
LaTeX语言的Hello World程序  \documentclass｛article｝

  \begin｛document｝

  Hello, world!

  \end｛document｝
批处理语言的Hello World程序  echo Hello World！
易语言的Hello World程序  窗体程序：

  .子程序 __启动窗口_创建完毕

  信息框 (“Hello, world!”, 0, )

  控制台程序：

  .版本 2

  .程序集程序集1

  .子程序 _启动子程序, 整数型, , 本子程序在程序启动后最先执行

  标准输出 (, “Hello World!”) ' 输出Hello World

  标准输入 () ' 达到暂停程序的效果以便于查看Hello World

  返回 (0) ' 可以根据您的需要返回任意数值
O语言的Hello World程序  O汇编语言的Hello World程序

  .包含文<*oasm32.oah>

  .包含文<*user32.oah>

  .包含文<*kernel32.oah>

  .引用库<*user32.lib>

  .引用库<*kernel32.lib>

  .代码段

  {

  入口主函数()

  {

  提示框(0,&"Hello, world!",&"hello world!",0)

  退出进程(0);

  }

  }

  O中间语言的Hello world程序

  .包含文<*视窗32.omh>

  入口主函数()

  {

  提示框(0,取地址 "Hello world!",取地址 "",0);

  退出进程(0);

  }
GML语言的Hello world程序  draw_text ( 0 , 0 , "Hello World")
javascript语言的Hello World程序  <script language="javascript">

  alert('hello word!');

  </script>

转载于:https://blog.51cto.com/apprentice/1360719

https://www.dkcj.cn/info/7876.html

Hello World

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