...cấp lên C# 9.
## 5 hashtag ở dạng #
* #C #9
* #C sắc nét
* #các tính năng mới
* #.net6
* #Programming
=======================================
#C#9 #C Sharp #NewFeatures #.net6 #Programming
## C# 9 New Features
C# 9, the latest version of the C# programming language, was released in...