1. File I/O and Serialization#

2. Multithreadind and Parallel Programming#

3. Asynchronous Programming with async/await#

4. Memory Management and Garbage Collection#

5. Reflection and Attributes#

6. C# Networking and Web Development#

7. Introduction to Entity Framework#

8. Unit Testing with NUnit#

9. Debugging and Profiling C# Applications#

10. Performance in C##