以下章节需要有其它语言基础(java、OC、C等),主要总结了一些swift的新特性和与OC的区别
1.Basic Operators
2.Strings and Characters
3.Collection Types
4.Control Flow
5.Functions
6.Closures
10.Methods
11.Subscripts
12.Inheritance
14.Deinitialization
15.Automatic Reference Counting
17.Error Handling
18.Type Casting
19.Nested Types
20.Extensions
21.Protocols
22.Generics
23.Access Control
24.Advanced Operators