Swift is a new programming language introduced by apple in WWDC-2014. It is one of the fastest adapted programming language. When apple launch the language I have some question in my mind: 1) What is the need of new programming language? 2) What is wrong with the old one (Objective-c) ? 3) Objective-C will be obsolete? When i reached office next day and discussed about the new language. They are very happy as they found syntax very similar to other language. Now they can easily relate syntax and concept of swift with the other modern languages and quickly learn iOS development. Apple introduced the new language with following tagline 1) Safe 2) Modern 3) Powerful Let have look on the feature of swift: Variable & Properties in Swift: In Objective-C properties and ivar are two different entity. You need to declare a property seperately to access ivar from outside of class. //ViewController.h @interface ViewController : UIViewController { N...