C# Hello World

A C# application has multiple parts can be defined as below :

Namespace declaration
A class
Class methods
Class attributes
A Main method
Statements and Expressions
Comments

C# Hello World Example

In the below example you can see that we are creating an app with namespace HelloWorldApp the class is HelloWorld and there is a Main function with void keyword and args parameters, main() method is the entry point for the program and it's where our application startup. Console.WriteLine is a built in functionality allowing users to output to console.

using System;

namespace HelloWorldApp {
   class HelloWorld {
      static void Main(string[] args) {
         Console.WriteLine("Hello World!");
      }
   }
}

Output

Hello World!

Conclusion

In this page (written and validated by A. Gawali) you learned about C# Hello World . What's Next? If you are interested in completing CS tutorial, your next topic will be learning about: CS Comments.

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