Python

print("Hello, World!")

Java

public class HelloWorld {
    public static void main(String[] args) {
        System out println("Hello, World!");
    }
}

C

#include <stdio h>

int main() {
    printf("Hello, World!\n");
    return 0;
}

4 C++:

#include <iostream>

int main() {
    std::cout << "Hello, World!" << std::endl;
    return 0;
}

JavaScript

console log("Hello, World!");

Ruby

puts "Hello, World!"

Swift

print("Hello, World!")

Go

package main

import "fmt"

func main() {
    fmt Println("Hello, World!")
}

Rust

fn main() {
    println!("Hello, World!");
}

PHP

<?php
echo "Hello, World!";
?>

Perl

print "Hello, World!\n";

Kotlin

fun main() {
    println("Hello, World!")
}

Scala

object HelloWorld {
  def main(args: Array[String]): Unit = {
    println("Hello, World!")
  }
}

Lua

print("Hello, World!")

Haskell

main :: IO ()
main = putStrLn "Hello, World!"

Dart

void main() {
  print('Hello, World!');
}

Shell

echo "Hello, World!"

Batch

@echo off
echo Hello, World!

PowerShell

Write-Output "Hello, World!"

VBScript

MsgBox "Hello, World!"

Objective-C

#import <Foundation/Foundation h>

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        NSLog(@"Hello, World!");
    }
    return 0;
}

Assembly

section  data
    hello db 'Hello, World!',10
    len equ $ - hello

section  text
    global _start

_start:
    ; write our string to stdout
    mov eax, 4         ; sys_write
    mov ebx, 1         ; file descriptor 1 (stdout)
    mov ecx, hello     ; message to write
    mov edx, len       ; message length
    int 0x80           ; syscall
    ; exit
    mov eax, 1         ; sys_exit
    xor ebx, ebx       ; exit status 0
    int 0x80           ; syscall

VBA (Visual Basic for Applications)

Sub HelloWorld()
    MsgBox "Hello, World!"
End Sub

Tcl

puts "Hello, World!"

COBOL

       IDENTIFICATION DIVISION 
       PROGRAM-ID  HELLO-WORLD 
       PROCEDURE DIVISION 
           DISPLAY "Hello, World!" 
           STOP RUN 

26 F#:

printfn "Hello, World!"

Elixir

IO puts "Hello, World!"

SQL (MySQL)

SELECT 'Hello, World!';

SQL (SQLite)

SELECT 'Hello, World!';

SQL (PostgreSQL)

SELECT 'Hello, World!';

SQL (Oracle)

SELECT 'Hello, World!' FROM DUAL;

SQL (SQL Server)

PRINT 'Hello, World!';

Smalltalk

Transcript show: 'Hello, World!'; cr 

R

cat("Hello, World!\n")

Bash

echo "Hello, World!"

Erlang

-module(hello) 
-export([hello_world/0]) 

hello_world() ->
    io:fwrite("Hello, World!~n") 

Julia

println("Hello, World!")

MATLAB

disp('Hello, World!');

AutoHotkey

MsgBox, Hello, World!

Clojure

(println "Hello, World!")

Groovy

println "Hello, World!"

OCaml

print_endline "Hello, World!"

D

import std stdio;

void main()
{
    writeln("Hello, World!");
}

Crystal

puts "Hello, World!"

Nim

echo "Hello, World!"

Common Lisp

(format t "Hello, World!



Scheme



(display "Hello, World!")
(newline)
Prolog
:- initialization(main) 

main :-
    write('Hello, World!'), nl,
    halt 
ABAP
REPORT ZHELLO_WORLD 

WRITE: / 'Hello, World!' 
VB NET
vb net
Module HelloWorld
    Sub Main()
        Console WriteLine("Hello, World!")
    End Sub
End Module 

Python UI Frameworks

• Gradio
  Gradio is the fastest way to demo your machine learning model with a friendly web interface so that anyone can use it, anywhere!
• Streamlit
  Streamlit turns data scripts into shareable web apps in minutes.
  All in pure Python. No front‑end experience required.
• HyperDiv
  Open-source framework for rapidly building reactive web apps in Python, with built-in Shoelace components, Markdown, charts, tables, and more.
• Shoelace
  A forward-thinking library of web components.

Installation

Read here for details.

Start Ollama Service

ollama start

This starts the Ollama Service and binds it to the default ip address 127.0.0.1:11434

If you want to access the service from another host/client, you have to use the ip address 0.0.0.0

systemctl stop ollama.service
export OLLAMA_HOST=0.0.0.0:11434
ollama start

To change the IP address of the service, edit the file /etc/systemd/system/ollama.service and add

[Unit]
Description=Ollama Service
After=network-online.target

[Service]
ExecStart=/usr/local/bin/ollama serve
User=ollama
Group=ollama
Restart=always
RestartSec=3
Environment="OLLAMA_HOST=0.0.0.0:11434"

[Install]
WantedBy=default.target

Access the Ollama Service from your Browser using <ip-adress of host>:11434

Sample Python Chat

Install Python

Install Ollama Library

pip install ollama

Create the chat programm

#!/usr/bin/env python

from ollama import Client

ollama = Client(host='127.0.0.1')

response = ollama.chat(model='llama3', messages=[
  {
    'role': 'user',
    'content': 'Why is the sky blue?',
  },
])
print(response['message']['content'])

Run the programm

❯ ./chat.py

Hint: To see, whats happen with the service, monitor the logfile

❯ sudo journalctl -u ollama.service -f

Query the API

Read the API definition here

curl http://localhost:11434/api/generate -d '{
  "model": "llama2",
  "prompt": "Why is the sky blue?",
  "stream": false
}'

Create a simple ChatGPT Clone

Create the Gradio App