Swift 2.0 Learning

A few days ago in Apple's Official document learning IOS9 3D Touch, found Apple about 3D touch Smaple code, unexpectedly is written in swift syntax, and there is no OC version.

It seems that learning Swift grammar is imperative.

The best way to learn the basics of Swift grammar is to look directly at Apple's official documentation:

https://developer.apple.com/library/ios/documentation/Swift/Conceptual/Swift_Programming_Language/

For English is not very good, can go to see the Chinese version of the

The Swift programming Language Chinese version

Swift 2.0 Learning