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Swift

for item in intsC { println(item) } When the above code is compiled and executed, it produces the following result: 2 2 1 1 1

The count Property You can use the read-only count property of an array to find out the number of items in an array shown below: import Cocoa

var intsA = [Int](count:2, repeatedValue: 2) var intsB = [Int](count:3, repeatedValue: 1)

var intsC = intsA + intsB

println("Total items in intsA = \(intsA.count)") println("Total items in intsB = \(intsB.count)") println("Total items in intsC = \(intsC.count)") When the above code is compiled and executed, it produces the following result: Total items in intsA = 2 Total items in intsB = 3 Total items in intsC = 5

The empty Property You can use the read-only empty property of an array to find out whether an array is empty or not as shown below:

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