Learning Swift with iOS 8 tutorials part 1

What is Swift ?

Swift is Apple's latest programming language for iOS and OS X apps that builds on the best of C and Objective-C, without the constraints of C compatibility. Swift adopts safe programming patterns and adds modern features to make programming easier, and flexible.

The Basics:

Swift Providing below data types in his way of syntax. 

Int             : Used for integer type values.

Double      : Used for floating points values.

Float         : Used for floating points values.

Bool          : Used for Boolean values.

String        : Used for Text data values

Array         : Used for collection.

Dictionary  : Used for collection.

Constants and Variables

In Swift, Constants and Variables need to be declared first before using them.

let  x = 10

var y = 0

You can declare multiple constants and variables in a single line using coma as a separator.

let x = 10, y=11,z=0

var  a = 1, b=10, c=3