Objective-C programming has changed forever with the introduction of Swift.With the introduction of swift, Lets have a look at journey from objective c which was created at stepstone Comapny in early 1980's to swift announced by apple iOS Application Development will be one more easy with Swift. According to the new research of Gartner, Apple – with more than 1.2 billion units sold worldwide- exponentially increasing the need for iOS Applications Development ; and this opens a huge space for the iOS Application in the wortld of business. Here are some factors why? Swift was released as the replacement for the objective C. As of Swift have lots of advantages over Objective C, Let's Take a look into it 1. Swift support variable declaration by var keyword. It seem familiar to C# developer. There are no more datatype declaration. For examples: var x = 1 and var y = "1" is different. x is a numeric var and y is string var. So you don't have to assign it for specified datatype. It understand what your mean. 2. Swift support Optionals. An Optional var could be assigned with value or nil. And Many More.......#ChromeInfotech