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iOS Swift Collections and Control Flow Introduction to Collections Working With Arrays

Posted by Michael Cheung
Michael Cheung
Courses Plus Student 505 Points

Hi guys , the question told me to read the numbers but I dont know why it couldn't work ?

Plz help me , thank you

array.swift 
// Enter your code below
var arrayOfInts = [1,2,3,4,5,6]

arrayOfInts.append(7)
arrayOfInts = arrayOfInts + [8]

let value = arrayOfInts [5]

1 Answer

Jason Ernsdorff
Jason Ernsdorff
3,112 Points
Jason Ernsdorff
Jason Ernsdorff
3,112 Points

I don’t know if it matters but I’m not sure there is supposed to be white space in between arrayOfInts and [5]. In my experience Xcode is very picky about syntax.

Try arrayOfInts[5] without the space.

Michael Cheung
Michael Cheung
Courses Plus Student 505 Points

Thank you Jason Ernsdorff