C#电子书

C# 8.0 and .NET Core 3.0 – Modern Cross-Platform Development 4th Edition by Mark J. Price (2019).zip https://pan.baidu.com/s/1q5Z7-0nESqwFmfQ21_1zRg?pwd=6666
C#编程语言与面向对象基础精简教程(金旭亮).zip https://pan.baidu.com/s/1RO63LT0-zMciz65wK7w-kg?pwd=6666
C#并发编程经典实例.zip https://pan.baidu.com/s/1roNhA9RNDd4XDdDLAYYG-A?pwd=6666