Execute below code and tell what can be problem? import UIKit let fm = NSFileManager.defaultManager() fm.removeItemAtPath("file.old")

Problem in following code? import UIKit ; var intVar:Int?=3; intVar = nil; var strVar:String; strVar = nil;

Compare the below code and what will result? import UIKit var rank:Dictionary = [1:'First', 2: 'Second', 3: 'Third']; rank.updateValue('Forth', forKey: 4);

On which tag background color for the page can be set?

In Swift, what's the correct way variables consist?

What is the need for having structures?

To declare a constant in Swift you would use:

Can Structures be type cast in Swift?

Output of this segment of code: var x = 0 for index in 1...5 { ++x } print('(x)')

Swift can compile alongside what other language?

Swift Type is used to group multiple values into a single compound value? For example:let compoundValue = (3, 5)