Swift 2.0 Learning Notes-My first line of Swift code

Swift 2.0 Learning Notes-My first line of Swift code

When I first saw the following code, I petrified, what is the code? The words spelled out?

Import Foundation

var str = "Hello World"

Print (str)

Dizzy, okay, keep your head down and look down, oh, yes.

First sentence: Import Foundation

Represents the introduction of the foundation framework.

What is the foundation framework?

Foundation is the framework for OS X and iOS application development, which includes basic classes such as numbers, strings, arrays, dictionaries, and so on.

The cocoa framework is a framework that requires several frameworks for OS X development including: AppKit and foundation. The Uikit framework is a framework for developing iOS graphical user interfaces, including common views and view controllers.

Second sentence: var str = "Hello World"

Declare the str variable, VAR represents the declared variable.

Third sentence: print (str)

Print (_:) is a function that can output variables or constants to the console.

Swift 2.0 Learning Notes-My first line of Swift code