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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!");


Hello World!


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