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iOS Swift 2.0 Collections and Control Flow Control Flow With Loops Working with Loops

Posted by Josef Dosch
Josef Dosch
2,619 Points

Having trouble accessing value of array and add it to "sum/newValue"

I need to use counter as an index. access the array and add the new value to sum. feel like i tried everything and nothing is working.

while.swift 
let numbers = [2,8,1,16,4,3,9]
var sum = 0
var counter = 0

// Enter your code below
while counter < 7 {
  print(numbers)
  counter++
}

1 Answer

Ali Amin
Ali Amin
1,295 Points
Ali Amin
Ali Amin
1,295 Points

As the hint says you can use the count property in Array to get the number of items in you array instead of counting them

while counter < numbers.count

What if you don't have access to the array? (if it was passed to you in a function or populated via a for loop) it is always better to use the solution that will work under any conditions.