Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

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

Kavita Bargota
Kavita Bargota
2,741 Points

can someone please help with this challenge?

need help with this! not sure what i am doing wrong

array.swift
// Enter your code below
var arrayOfInts: [Int] = [1,2,3,4,5,6]
arrayOfInts.append("7,8")
[1,2,3,4,5,6] + [7,8]

1 Answer

Jeff McDivitt
Jeff McDivitt
23,970 Points

There are two ways to add an item to array the task is asking for you to add item using both ways below

  1. You can add a new item to the end of an array by calling the array’s append(_:) method:
  2. You can append an array of one or more compatible items with the addition assignment operator (+=):
var arrayOfInts: [Int] = [1,2,3,4,5,6]

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