Chapter 0: Introduction

.NET is huge. It's hard to decide with:
ASP.NET Web Forms and ASP.NET MVC for web applications,
Windows Forms and WPF or the Universal Windows Platform for client applications,
Entity Framework and LINQ to SQL for data access,
ArrayList and List<T> for storing collections...

C#6有很多新的语法，旧的我都忘的差不多， 不在乎你有多新。

code in http://www .github.com/ProfessionalCSharp.

(Next chapter P50)