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  In this article, you learn about how to write a hello world program in 10 different programming languages. 1. C #include <stdio.h> int main ( void ) { printf ( "Hello World \n " ); return 0 ; // ends the program } 2. C++ #include <iostream> using namespace std ; int main () { cout << "Hello, World!" ; // std output stream return 0 ; // exit status } 3. C# (c sharp) using System ; namespace HelloWorld { class Hello { static void Main ( string [] args ) { // prints hello world System . Console . WriteLine ( "Hello World!" ); } } } 4. Java class HelloWorld { public static void main ( String [] args ) { System . out . println ( "Hello World!" ); } } 5. Php <?php echo "Hello World!" ; ?> 6. Python print ( 'Hello ,world' ); 7. Ruby puts "Hello World!" 8. Scala

  Secure, Simple and Scalable Video Conferencing with Jitsi The situation with COVID-19 affects not only the private lives of people and their families but also the business, excluding the possibility of face-to-face communication. Many individuals and companies are forced to adapt to work and communicate remotely. Thus video conferencing got a high-level demand. One of the key players in this market is Zoom video conferencing software. However, there are multiple claims regarding  Zoom security , confidentiality and data privacy. As a result, people are looking for alternatives that can be privately hosted. That’s why  Jitsi Meet  open source video conferencing tool is gaining more and more popularity, as it can be installed at the preferred local cloud provider or on-premise. Why Jitsi? The key advantages of using Jitsi video conferencing: Open-source solution provided for free and with a wide community support Installation in one click and easy setup User-friendly process of arrangi