Die Geek in Business sagt "Hello World"!

#include <stdio.h>

int main(void)
{
    printf("Hello World!");
    return 0;
}

#include <iostream.h>
using namespace std;
        
int main(int argc, char *argv[]) {
    cout << "Hello World!" << endl;
    return 0;
}

class Hello{
    static void Main{
        System.Console.WriteLine("Hello World!");
    }
}

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

(ns helloworld.core)

(defn -main
  "I can say 'Hello World'."
  []
(println "Hello, World!"))

console.log("Hello World!")

print("Hello World!")

package main

import "fmt"

func main() {
    fmt.Println("Hallo Welt")
}