Cobol Example Hello World

Don’t be overwhelmed, we will take a look at the code line by line. Functions are extremely useful in programming since you can create them once, use them n number of times. Hello World. DB2 is not used. Hello Node! HEADS UP! This article was written for an older version of node. SetColor( 1. Feel free to make some changes, and see how they affect the output. The file hello_world is the standalone executable. /hello Hello, world! Shortest [ edit ] The shortest valid COBOL program, with the relaxed syntax option in GnuCOBOL 2. c -o helloworld `pkg-config --cflags gtk+-2. Be sure that you have installed Apache and PHP before using this example, or at least have access to a server with PHP capabilities. Create and save the file with. Hello, JIT World! Without further ado, let’s jump into our first JIT. Most pages in this guide will have editable examples like this one. ENVIRONMENT DIVISION. Extended Engagement. Tutorial: Creating Your First Hello COBOL World Application This tutorial walks you through the steps to create your first Hello COBOL World application and demonstrates the basic features of the Visual Studio Integrated Development Environment (IDE). To demonstrate how you create new files in a project, you are going to create a new source file that will hold the source code for the Hello COBOL World application: Right-click your project in the Solution Explorer, and click Add > New Item. Before getting into details of XSD specifications, let's look at a simple example of an XML schema defined in XSD language, hello. jspx) and display a message. 12Home > Getting Started > Compiling a Hello World example1. I hope they will give the necessary "bootstrap" for people to get started with MEF in ASP. Angular 7 + Spring Boot Application Hello World Example In this tutorial we be creating a full stack application where we expose endpoint using Spring Boot and consume this endpoint using Angular 7 application and display the data. In this tutorial, we'll cover setting up the most basic Tapestry application, a simple "Hello World" application that displays the current time. Create [] { 27 comments }. 1974-ben jött a COBOL 1974, amely az ANSI-változat kiegészítése volt sok új funkcióval, amely az eredeti '68-as verzióban még nem szerepelt. This tutorial is the one that's included directly inside the official Vue guide in the documentation, so you can rest assured that you're in good hands. Today, I got Hello World working in COBOL on an IBM Z9. A public function named main is considered as an entry point to a Ballerina program. Spring boot hello world example - Spring boot REST example By Lokesh Gupta | Filed Under: Spring Boot Spring boot is sub-project developed by developers of spring framework - to create stand-alone, production-grade application with minimum configuration possible. We want to make this open-source project available for people all around the world. Let's jump straight into it and then I'll explain it afterwards:. Standalone GUI program that shows paint, repaint, and update: 9. 2 Hello World example If this is your first visit, you may have to register before you can post. It was during the 1980's that some small businesses moved some of their mainframe COBOL. Why do you think that “Hello world” program is confusing? This is a simple program. Running the sample. You are going to create a run configuration for the Hello COBOL world application as follows: Select your project in the COBOL Explorer view and from the main menu click Run > Run Configurations. In the tradition of Hello, World examples, this tutorial presents a very simple example to get you started using CIMPL. Running the sample. Here is the first step to start spring application development. Example of creating a Hello World function in Node. Hello World Applet. ----- The compiler is cobc, which is executed as follows: $ cobc hello. This part of the Hello World tutorial series teaches how to fade Misty's chest LED fade on and off in a looping cycle. Prerequisites: 1) You need to Create a SOA project with an empty composite. This tutorial will teach you how to create a hello world web page using AJAX technologies. Spring Batch provides many made Classes to read/write CSV, XML and database. A simple well documented hardware uart "Hello World" example. XML Tutorial XSL Tutorial XSLT Tutorial DTD Tutorial Schema Tutorial XForms Tutorial XSL-FO Tutorial XML DOM Tutorial XLink Tutorial XQuery Tutorial XPath Tutorial XPointer Tutorial RDF Tutorial SOAP Tutorial WSDL Tutorial RSS Tutorial WAP Tutorial Web Services Tutorial. " line 15 position 10. HELLO WORLD! Ok, lets look at the worlds most basic HTML generating perl script. PROCEDURE DIVISION. Java Program to Print Hello World. We created a "Hello World!" alert box in the above example. Programmers at the Console of a UNIVAC I, with Unityper and Tape Drives. We're looking at 2 languages that have intimate ties to the infrastructure they were first designed for. I’ve tested that it works on Ubuntu Linux and Mac OS X. Cocos2D History As I mentioned earlier, the history of Cocos2D is fairly important to understanding how it works, so we are going to start of with a quick, hopefully not-boring, history lesson. I got a large percentage of this code from Sun's JMX MBean tutorial when I first started working with JMX, and I think it's some decent "Hello World" starter. Zedboard - SDK HelloWorld Example. Spring Framework Tutorial – Hello World Latest Update: 2014/05/21. Hello World. You write a FreeMarker template in a plain text file with the place holders like ${id}. Not to mention FORTRAN. We learnt many software programming languages with a hello world program, lets follow the legacy. ExecuteScript processor - Hello World! In Apache NiFi 0. Executing Transformations from a terminal window with the Pan tool. Hello World Android Studio - Creating Android Hello World App - Learning to Write code for Beginners with Tutorials. $ cobc -x -free hello. If you aren't interested in applets, you might want to skip ahead to the Writing Java Programs trail. Let’s say you have a web server for your domain that’s accessible on 203. HelloWorld Java Program. 2 Hello World example If this is your first visit, you may have to register before you can post. To compile use: gcc -Wall -g helloworld. IDENTIFICATION DIVISION. cob ----- *> Sample GnuCOBOL program identification division. The file hello_world is a standalone binary of the matlab program hello_world. We'll then extend it just a bit, adding a touch of interactivity. After downloading and installing the Sun Java SDK for your required platform (Windows 95, NT, or Solaris), its time to write, compile, and run your first Java application - the obligatory "Hello World". For example, a hello world in multiple languages can be used to test localization. com/assets/libBoot. Running the Hello World Application walks you through running the server and client program that together make up the "Hello World" application,. cobol hello. ) COBOL Resources. Compiling Hello World. 0 and now working on. You can also use While Loop, or Do While to get the same result. So for this Hello World example what we will be trying to acheive is : An icon should be visible besides the address bar or better known as Chrome’s Omnibox. JSP Hello World Example In this tutorial you will learn about how to create your first application in jsp. We are going to design a simple “Hello World” bot. Here is the pom. In this tutorial, we'll cover setting up the most basic Tapestry application, a simple "Hello World" application that displays the current time. To build and run the application, you must use Visual Studio on Windows® or Visual Studio Code on Linux. COBOL Tutorial - COBOL Programming - COBOL Sample Program, simple cobol program with explanation, COBOL program structure, area A, area B, divisions, procedure divison , Mainframe Cobol, COBOL Tutorial - This tutorial covers most imporant topics of COBOL topics like PERFORM, CALL, STRING,UNSTRING,COMP,COMP-3,INSPECT,FILE,SEQUENTIAL FILE,INDEXED FILE etc. Hello World is a simple Java program, for many the first they learn, that teaches syntax and components of the Java programming language. Our requirement is to show a message as "Hello World!" to do this write following line in the procedure. The printf function generates the output by passing the text "Hello World!" The semicolon ; determines the end of the statement. It's now in decline and many COBOL programs are being ported to other languages. The Linux kernel (32-bit) runs in protected mode and mainly uses ELF format for binary and executable files and programs. pc which comes with GTK to determine what compiler switches are needed to compile programs that use. IDENTIFICATION DIVISION. We will begin with the code, and then we'll do a bit of explanation afterwards. We will create a initial state. It also demonstrates how you can react to touch events on the application screen. In every programming language when we initially starts learning, we always find the "Hello World" program in books. Hello, World! • A-Frame. Create a simple maven project in your Eclipse. 000700 working-storage section. This tutorial is equivalent to how to write a Hello World C++ program using emacs and command line linux if they have never used emacs and linux before. We will use Apache ActiveMQ as the provider implementation of JMS and will show point-to-point messaging model in this example. Add me at Facebook my address is [email protected] c /* * Raima Database Compiled Catalog Source File * This file is autogenerated, please don't edit the file */ #include "hello_world_cat. Choose a states and click on ”+” button. Spring boot hello world example - Spring boot REST example By Lokesh Gupta | Filed Under: Spring Boot Spring boot is sub-project developed by developers of spring framework - to create stand-alone, production-grade application with minimum configuration possible. Tutorial; PyGTK Reference; Use Glade (or Gazpacho) to design an user interface, and use that in an application. Hello World, using Console. But to continue. The simplest directive in Python is the "print" directive - it simply prints out a line (and also includes a newline, unlike in C). The central concept of Concourse is to run tasks. The first known version of this program comes from Brian Kernighan's paper A Tutorial Introduction to the Language B from 1972 (chapter 7). Labels: COBOL, cobol examples, cobol hello world example, cobol mainframe, compile and run cobol using JCL. Katacoda provides a free, in-browser Kubernetes environment. Copy and paste the program below into your IDE or text editor, then compile and run it. Introduction to FreeMarker. /hello Hello, world! Shortest [ edit ] The shortest valid COBOL program, with the relaxed syntax option in GnuCOBOL 2. In this tutorial, we show you how to create a Hello World project with Android Studio and run it on the emulator virtual device. For example, a step may read data from a CSV file, process it and write it into the database. Create the helloworld program using 2. Then open a terminal window. 1 – simplified syntax for delegatecreation. In this tutorial, we will learn how to code the Hello World program in C, compile and run it from the command line. In this tutorial, we'll cover setting up the most basic Tapestry application, a simple "Hello World" application that displays the current time. Advantages of COBOL. We're looking at 2 languages that have intimate ties to the infrastructure they were first designed for. cob; (enter) Untuk windows 64 bit, akan muncul error, langsung skip ke cara windows 64 aja di bawah. *; public class Solution { public static void main(String[] args. It just verifies that your set up is ready for running verilog code. Choose action to text. There are some rituals while starting to learn some programming language which is called Hello World Example or Hello World or Hello Worl in C. m which was compiled using MATLAB 2014b on a Linux platform. It's only a matter of time until the Common Business Oriented Language (COBOL) will regain its spotlight as one of the most in-demand skills of future generations of software engineers. It’s one of the first and crucial step of our Angular 4 Tutorials and Examples. *> this variable will hold a line of input from stdin. Below sample cobol program has the minimal set of statements required. *; import java. PROGRAM-ID. In the upcoming dialog you will find two examples for Xtend: Xtend Introductory Examples contains a couple of example code snippets illustrating certain aspects and strengths of Xtend. /epesi/module/Custom directory ( If you. Hello, World! Python is a very simple language, and has a very straightforward syntax. Vivek Patel says. js and Python with the Serverless framework. First C program, Hello World After talking about the history and compilers it is time to make our first program. They're both deeply influenced by their origins. The Cobol language, in my opinion, is still one of the finest for business applications but this GNUCobol application is absolutely horrible. I have started learning backbone. Hello, World! If you prefer to execute it by its name, instead of as an argument to the Python interpreter, put a bang line at the top. Hello World is a simple Java program, for many the first they learn, that teaches syntax and components of the Java programming language. The History of 'Hello, World' It's the most famous program. Indicator -> Use * for commenting the line. println(" Hello World "); Simple Java Program to Print Hello World Multiple Times. Hello world in the Cobol language, here the IBM Cobol on the AS/400 computer. In the above program we are using printf() function. * This example prints 'Hello from Nios II' to the STDOUT stream. hello-world. Once the new item is created, with a default name of hello_world_0 Debug, we can see that a number of tabs of information has been pre-populated for us. Then, it launches a command window that runs your new application. Load the Leaflet library at the beginning of your script and after that the Windy API library from URL https://api4. Yet most COBOL implementations still handle the same code layout. We will create another state for showing the response in our bot. Hello Java World! A Tutorial for Interfacing to Java Archives inside R Packages. HELLO WORLD! Ok, lets look at the worlds most basic HTML generating perl script. Hello World Android Studio - Creating Android Hello World App - Learning to Write code for Beginners with Tutorials. NET and building your first Hello World mobile application for iOS and Android. 0 , TinyCOBOL 0. Click the link above to open an online editor. You’ll create a Hello World app. Hello World Example. To demonstrate how you create new files in a project, you are going to create a new source file that will hold the source code for the Hello COBOL World application: Right-click your project in the Solution Explorer, and click Add > New Item. 0 (Java Server Faces) Here we are going to use the following technologies. You will find lots of easy to understand tutorials, articles, code, example for Cobol. You write a FreeMarker template in a plain text file with the place holders like ${id}. The days of punch card layout and uppercase only inputs are far behind. Create action for showing Hello World Create State. This Java sample code demonstrates how to invoke a native COBOL method that prints “Hello from COBOL”. aspx (if it's not already opened) by doubleclicking it in the Solution Explorer. To step into this future, we're going to make a simple "Hello World" example in Swift, while covering the absolute basics of iOS development. Save the tutorial in your hard disk At this point we assume that you made at least one "hello-world" application with pygtk :) The source code from these examples are downloadable here: gtktest. AOP tutorial AOP AspectJ Annotation Spring Boot Hello world example – JSP Hello world example – Thymeleaf Hello world StandAlone application create Restful web services using Spring Boot Hibernate example AngularJS Example Spring Security example ActiveMQ example Print all beans loaded by boot Spring Rest Rest JSON Rest XML Rest CRUD Rest. The purpose of this function is to illustrate how to use the XUartNs550 driver. This step is optional, but recommended. • Instead of:• 01 d type MyDelegate. DISPLAY "Hello, world!". Vivek Patel author of Hello World Program in PowerShell is from United States. 0 Alpha: Operation System : Windows Only : Mono cannot compile managed C++. All real world application has a Graphics User Interfaces. Replace with your own paths for your environment. Next » Let's start by compiling and running the following short sample program. Hello World! Welcome to the ACM "Hello World" project. This series is designed to get you acquainted with the. Prerequisites: 1) You need to Create a SOA project with an empty composite. /hello Hello, world! Shortest [ edit ] The shortest valid COBOL program, with the relaxed syntax option in GnuCOBOL 2. Not to mention FORTRAN. 000900 001000 data division. Choose action to text. We will create a SOA composite which will take a name, prefix it with Hello and return the output. Building modules for a precompiled kernel. Time to Complete. After successful binding on the IBM Cloud, the user requests an IBM Cloud Kubernetes cluster. To understand the following material you should be familiar with using Eclipse for instructions on Eclipse Click Here. How to write COBOL Hello World program in simple way 2016; How you write better way Hello World. COBOL - Hello World program. Here you will learn to write and Hello world Servlet example. The central concept of Concourse is to run tasks. Example HELLO * HISTORIC EXAMPLE OF HELLO WORLD IN COBOL IDENTIFICATION DIVISION. We created a "Hello World!" alert box in the above example. We like to make C programs under Linux, so we will use a text editor and the gnu compiler. PHP is no exception. In this tutorial, you’ll take a really simple “Hello, world!” program written in Python, convert it into a working project. Creating a "Hello World" JavaScript Function. Save the file as, may be, helloworld. Menjalankan program hasil compile tadi, caranya runcob hello (enter) maka tampil HELLO WORLD (mamat. Although this will be a simple example, it will introduce you to some of the fundamentals of PDI: Working with the Spoon tool. In first line we declare a variable of string type. When the - now famous - "Hello, World!" program example in The C Programming Language was first published in 1978 a similar mainframe COBOL program sample would have been submitted through JCL, very likely using a punch card reader, and 80 column punch cards. Introduction. • set d to new MyDelegate (self::m)• the method can be converted directly to a suitable delegate type:• set d to method self::m• Similarly for anonymous methods:• set d to delegate display “Hello world”. The identification division tells the computer the name of the program and supplies other documentation concerning the program's author. Run "Hello world" COBOL program in mainframes. To insert JavaScript into a HTML page, you use the element. Mainframe - cobol practical tutorial on search - Duration: 7:47. On my first post I did a setup of python Virtual Environment using Virtualenv. Hello World. IDENTIFICATION DIVISION. So while it is complex, a lot of the guide is explaining OS and file editor and less cobol. The US Department of Defense, in a conference, formed CODASYL (Conference on Data Systems Language) to develop a language for business data processing needs which is now known as COBOL. Plain text as HTML As you can read in the HTML Basics , even plain text can be considered to be "HTML". import "fmt" func main {fmt. j a v a 2 s. "Hello World" - the COBOL Way. Write a Hello World Cobol Program. program-id. HELLO-WORLD. This tutorial teaches you how to compile a program on Contiki OS and also the most basic syntax of programming in ContikiOS. Copy the "Hello World" document to your computer, call it "hello. This is a super simple and barebones "Hello World!" MEF example in ASP. 0 Alpha: Operation System : Windows Only : Mono cannot compile managed C++. Ruby on Rails 5 program is quite different from Ruby on Rails 4 program. BLUE SKY STUDIOS are looking for Linux Administrator to maintain and support the Studio's 450+ production Linux workstations, including daily interactions with the Studio’s digital animation artists. Create a simple python script that will return hello world! when it is executed on LINUX. The text “Hello Java World” is a literal string of characters; that will be appear in output exactly as entered. We will use Apache ActiveMQ as the provider implementation of JMS and will show point-to-point messaging model in this example. With XHTML this is pretty simple. So we will be doing just that. Applications you create in Eclipse need a launch configuration to execute. The text “Hello Java World” is a literal string of characters; that will be appear in output exactly as entered. This sample shows simple communication from the client to the server and back again. BLUE SKY STUDIOS are looking for Linux Administrator to maintain and support the Studio's 450+ production Linux workstations, including daily interactions with the Studio’s digital animation artists. Your first Java Program – The Java Hello World Program. Save this script in a file called helloworld. Since, it's a very simple program, it is often used to illustrate the syntax of a programming language. Kernighan's 1972 "A Tutorial Introduction to the Language B," and it was popularized in his "The C Programming Language. The following are all steps. This is the famous 3 minute tutorial to get started with fortrabbit. co) Cara menjalankan cobol di windows 64 bit, anda harus menginstal dosbox. The CIMPL Hello World Tutorial is targeted to people with some programming experience. Tutorial: Deploying a Hello World Application In this guide, you download, build, and deploy a sample Hello World application using AWS SAM. Angular 2/4/5 is completely new framework than Angular Js 1. You can then code without reference to column numbers. Testing is done on the local workstation. Any literal string is written between double quotation in Java Programming Language because the string is an argument for a method, and arguments to methods are always appear within parentheses. I have started working in. Update: Tiny-Cobol no longer compiles to assembly but direct to an executable programme. Hello world tutorial with Git. Hello, World! If you prefer to execute it by its name, instead of as an argument to the Python interpreter, put a bang line at the top. 1974-ben jött a COBOL 1974, amely az ANSI-változat kiegészítése volt sok új funkcióval, amely az eredeti '68-as verzióban még nem szerepelt. HELLO-WORLD. Before you start writing your first example using Android SDK, you have to make sure that you have set-up your Android development environment properly as explained in Android – Environment Set-up tutorial. cobol Book, Community, Course, Tutorial, YouTube, and more. ANS COBOL 1968 Editar Depois de 1959 o COBOL-1968 sofreu várias modificações e melhorias. The following tutorials will cover more complex features such as: Background Tasks, Object, DataBase, and EF Data Binding, Custom Drawing and Painting, Page Navigation, User Desktop, and more. Most COBOL programmers came to be so on the mainframe. See how fast and easy you can get your code up and running. Vivek Patel says. Hello World. Today, I got Hello World working in COBOL on an IBM Z9. PROCEDURE DIVISION. 70+ channels, more of your favorite shows, & unlimited DVR storage space all in one great price. A "Hello world" program is a computer program that outputs "Hello World" (or some variant) on a display device. This example shows the flow of events and the contents of special register XML-TEXT that result from the parsing of a simple XML document. This page helps you to understand basic spring hello world example. How to Read This Guide. Easytrieve program to parse a string; COBOL - PERFORM a SECTION; COBOL - IF ELSE ENDIF statement; COBOL-Working storage variables; COBOL - Hello World program; Continuation character (+) usage in Easytrieve; simple and nested IF-ELSE-ENDIF statement in Easytrieve; Recent Comments. fortran —Fortran bridge for Node. java” in the terminal window. Double click this to have it create a new elf item. Hello world tutorial. The COBOL program is compiled and linked as follows, where a typical installation path for COBOL is /usr/lpp/cobol and a typical installation path for Java is /usr/lpp/java. Transformations. Hello, World! in COBOL Example for versions OpenCOBOL 1. To understand this example, you should have the knowledge of following R programming topics: R Variables and Constants. You can run them directly from the command line as below, or from within pipeline jobs (as per every other section of the tutorial). The “Hello world!” program is a simple yet complete program for beginners that illustrates the basic syntax of R programming language. Hello, World! Python is a very simple language, and has a very straightforward syntax. An introduction and reference to COBOL. This tutorial will guide you from simple functions to more advanced features. The TI TUSB3410 is a TERRIBLE usb-> UART chip and is very buggy on WIN7 64bit. He really wants you to watch The Hello World Program so you can learn the skills you need to build an awesome future. HTML Hello World Example. There are two major Python versions, Python 2 and. It is intended to replace Swing as the standard GUI library for Java. Let us start with Angular Hello World example to know the basics of Angular 7. COBOL Tutorials Introduction of COBOL COBOL Versions Structure of COBOL Program COBOL Coding Rules COBOL HELLO WORLD Program COBOL Arithmetic Operations COBOL IF-ELSE Statement COBOL Divisions COBOL Variables COBOL Data Types COBOL General Levels COBOL DISPLAY COBOL MOVE COBOL ACCEPT COBOL EVALUATE statement COBOL PERFORM COBOL Arrays. I printed the Apple-1 Operation Manual couple of days ago and started to figure out how to do some Hello World with the legendary device. The GTK source distribution also contains the complete source to all of the examples used in this tutorial, along with Makefiles to aid compilation. OpenCOBOL is a modern open-source COBOL compiler. It is the first and only mandatory division of every COBOL program. Here is the first step to start spring application development. procedure division. More than Java 400 questions with detailed answers. Mainframe - cobol practical tutorial on search - Duration: 7:47. In this article, we will be building the same Spring Boot Hello World example using IDE. Assume that the COBOL program contains the following XML document in data item Doc: Hello, World!. Configure Kubernetes to pull from a remote registry and run a COBOL Hello World application. This tutorial will guide you to a simple. But to continue. AirPrime - Open AT "Hello World" Sample - Video Tutorial Author: Sierra Wireless - 13637 Views Video tutorial showing step-by-step how to start a new project based on a sample code (e. log is the log file and readme. Once we click on Start option or Ctrl + F5, our program will get compiled and show the result like as shown below. Object Oriented Programming with COBOL. //HELLO JOB (T043JM,JM00,1,0,0,0),'HELLO WORLD - JRM',CLASS=R, // MSGCLASS=X,MSGLEVEL=1,NOTIFY=S0JM //* //* PRINT "HELLO WORLD" ON JOB OUTPUT //* //* NOTE THAT THE. So we have successfully installed the compiler and now can begin working in 'C. -- hello world in cics cobol 000100 identification division. Go to your console window (in Windows, go to the start menu and click "run", then type "cmd. Action should be shown like this. end class HelloWorld If the COBOL programmer wants to interact with external classes such as the. Odds are if you found this tutorial, then you have created a "Hello World!" program before. These lessons teach you the fundamentals of the C# language. Define the data item to be large enough to contain the generated XML output, typically five to 10 times the size of the COBOL source data depending on the length of its data-name or data-names. PROGRAM-ID. for the variables he/she intend to use in COBOL programs. You can then code without reference to column numbers. PROGRAM-ID. COBOL - Hello World program. The programs explained in this tutorial is compiled and ran without any errors. Once very popular in the era of mainframe computing. An apparently reasonable attempt was made to edit this page on August 6th, 2013, to presumably present a new Algol 60 example, but some of the existing content was damaged in the process. First Program in 8086, the hello world program to print a string. COBOL has been around since 1959, when it was developed by the Conference on Data Systems Languages (CODASYL). 01 input-string pic x(255). The sample uses the HBase APIs to communicate with Cloud Bigtable. We're talking about someone dabbling with programming writing a hello world app. In the previous Spring Boot Hello World example we build our application with Maven through command prompt. FreeMarker is a Java based template engine which can be used as stand-alone or servlet bases Java programs. Verify that the default Project location is where you want to store your Hello World app and other Android Studio projects, or change it to your preferred directory. , hello in this case) is determined by removing the extension from the source file name. * Please remember that PDF files have their origin at the * bottom left corner. It was a basic yet preferred step to start building an application on Python. js in your Fortran programs. Easytrieve program to parse a string; COBOL - PERFORM a SECTION; COBOL - IF ELSE ENDIF statement; COBOL-Working storage variables; COBOL - Hello World program; Continuation character (+) usage in Easytrieve; simple and nested IF-ELSE-ENDIF statement in Easytrieve; Recent Comments. Known as the first example in nearly every programming language for every programmer, where did this message come from? As a function, the computer program simply tells the computer to display the words "Hello, World!".