Algorithm

Creating a "Hello, World!" program in C# is a simple way to get started with the language. Follow the steps below to create your first C# program:

  1. Install Visual Studio (Optional): If you don't have Visual Studio installed, you can download and install the free Visual Studio Community Edition. This is a comprehensive IDE for C# development.

  2. Open Visual Studio:

    • Launch Visual Studio.

  3. Create a New Project:

    • Click on "Create a new project" or go to File -> New -> Project....

  4. Select Console App Template:

    • In the "Create a new project" dialog, search for "Console App" in the search box.
    • Choose "Console App (.NET Core)" or "Console App (.NET Framework)" depending on your preference.

  5. Configure Project:

    • Give your project a name (e.g., "HelloWorld").
    • Choose the location where you want to save the project.
    • Click "Create."

  6. Write the Code:

    • In the Solution Explorer, you should see a file named Program.cs. Double-click to open it.

Code Examples

#1 "Hello World!" in C# Programming

Code - C# Programming

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

x
–
+
cmd
Hello World!

#2 Alternative Hello World! implementation

Code - C# Programming

def print_hello():
    print("Hello, World!")

# Call the function to print the message
print_hello()
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Demonstration

C# programming "Hello World" - Your First C# Program