C#

Common C# Mistakes

Learn Common C# Mistakes in C# with a tiny example and expected output.

Common C# Mistakes is part of the C# roadmap. Use the example below and continue with the next topic.

Syntax
Console.WriteLine("Hello C#");
Example
Line by line
// Common C# Mistakes
C# line.
// (example)
C# line.
Console.WriteLine("Done");
Prints a line to output.
Real world
  • C# is used for backend APIs, desktop apps, games (Unity), and enterprise systems.
Common mistakes
  • Mixing async and blocking calls (deadlocks/timeouts).
Best practices
  • Use clear naming, prefer async/await for I/O, and keep methods small.