Run and observe output

Context: Run the Hello World app using dotnet run and observe the output. This verifies your .NET 10 setup.

Run your Hello World application using dotnet run and observe the output.

Run the Application

cd HelloWorld
dotnet run

Expected Output

Hello World

With Different Messages

// Modify Program.cs
Console.WriteLine("Welcome to .NET 10!");
Console.WriteLine($"Current time: {DateTime.Now}");

Run Output Example

Welcome to .NET 10!
Current time: 4/8/2026 10:30:45 AM

Troubleshooting

• Command not found: .NET SDK not installed or not in PATH
• Build errors: Check syntax in Program.cs
• Wrong directory: Ensure you’re in the project folder with .csproj

# Rebuild and run
dotnet clean
dotnet build
dotnet run