Skip to main content

NOTICE: On Friday Nov 6, Workspaces will be temporarily unavailable for maintenance.

🚀 In our NEW AI Bootcamp you'll build a working app in 28 days, no experience required. Free to all subscription levels.

✨ Earn college credits in Cybersecurity, JS, HTML, CSS and Python

Join the Treehouse affiliate program and earn 25% recurring commission! 🤑

  • Treehouse Logo
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
    • All Courses
    • Tracks
    • AI Bootcamp
    • College Credit
    • Techdegree Bootcamps
    • Front End Development
    • Full Stack JavaScript
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
    • 100 Days of Code
    • Explore
    • Career Toolbox
    • Free Treehouse Near Me
    • Affiliates
    • Blog
    • Support
    • About
    • Learn
    • Beginner's Guide to Coding
    • Data Analysis with SQL & Python
    • Front-End Web Development
    • Python Programming Basics
    • Techdegree Bootcamp Overview
    • UX Design Fundamentals
    • AI Tools for Beginners
  • For Individuals For Businesses For Schools For Libraries For Military
  • All Courses Tracks AI Bootcamp College Credit
  • Techdegree Bootcamps Front End Web Development Full Stack JavaScript
  • Code Adventures Discord Forum Success Stories Treehouse Links 100 Days of Code
  • Explore Career Toolbox Free Treehouse Near Me Affiliates Blog Support About
    Learn Beginner's Guide to Coding Data Analysis with SQL & Python Front-End Web Development Python Programming Basics Techdegree Bootcamp Overview UX Design Fundamentals AI Tools for Beginners
  • Sign In
  • Free Trial
Instagram Twitter Facebook YouTube LinkedIn
Loading banner... Start your free trial at Treehouse
    • Newest
      • Newest
      • Active
      • Unanswered
      • Featured
    • All Topics
      • All Topics
      • • General Discussion
      • • AI
      • • APIs
      • • Coding for Kids
      • • College Credit
      • • Computer Science
      • • CSS
      • • Data Analysis
      • • Databases
      • • Design
      • • Development Tools
      • • Digital Literacy
      • • Game Development
      • • Go Language
      • • HTML
      • • Java
      • • JavaScript
      • • Learning Resources
      • • Machine Learning
      • • No-Code
      • • PHP
      • • Professional Growth
      • • Python
      • • Quality Assurance
      • • React
      • • Ruby
      • • Security
      • • Swift
      • • Vibe Coding
  • Lionel Coelho
    Lionel Coelho
    1,206 Points

    Stuck on Part 1 of 2.

    Posted October 29, 2016 11:02pm by Lionel Coelho
    Lionel Coelho
    1,206 Points
    • iOS
    • Swift 2.0 Collections and Control Flow
    • Control Flow With Loops
    • While and Repeat While

    2 Answers

  • Subah Jain
    Subah Jain
    1,775 Points

    Part 2 of the Code Challenge

    Posted October 25, 2016 3:32am by Subah Jain
    Subah Jain
    1,775 Points
    • iOS
    • Swift 2.0 Collections and Control Flow
    • Control Flow With Loops
    • While and Repeat While

    1 Answer

  • Jacob Carroll
    Jacob Carroll
    5,957 Points

    Part 2 out of 2 of Code Challenge: Working with Loops

    Posted September 28, 2016 6:39pm by Jacob Carroll
    Jacob Carroll
    5,957 Points
    • iOS
    • Swift 2.0 Collections and Control Flow
    • Control Flow With Loops
    • While and Repeat While

    2 Answers

  • Lucas Peters
    PLUS
    Lucas Peters
    Courses Plus Student 1,003 Points

    Loops...

    Posted August 30, 2016 3:30pm by Lucas Peters
    Lucas Peters
    Courses Plus Student 1,003 Points
    • iOS
    • Swift 2.0 Collections and Control Flow
    • Control Flow With Loops
    • While and Repeat While

    2 Answers

  • Jonathan Fish
    Jonathan Fish
    7,788 Points

    Repeat While Loops

    Posted August 23, 2016 5:43am by Jonathan Fish
    Jonathan Fish
    7,788 Points
    • iOS
    • Swift 2.0 Collections and Control Flow
    • Control Flow With Loops
    • While and Repeat While

    2 Answers

  • NIKOLA RUSEV
    NIKOLA RUSEV
    5,293 Points

    x++ (consecutive statment on a line must be separeted by ";")

    Posted July 24, 2016 9:51am by NIKOLA RUSEV
    NIKOLA RUSEV
    5,293 Points
    • iOS
    • Swift 2.0 Collections and Control Flow
    • Control Flow With Loops
    • While and Repeat While

    1 Answer

  • Andrew Reynolds
    seal-mask
    PLUS
    .a{fill-rule:evenodd;}techdegree seal-36
    Andrew Reynolds
    Front End Web Development Techdegree Graduate 23,333 Points

    While and Repeat While

    Posted June 27, 2016 5:17pm by Andrew Reynolds
    .a{fill-rule:evenodd;}techdegree seal-36
    Andrew Reynolds
    Front End Web Development Techdegree Graduate 23,333 Points
    • iOS
    • Swift 2.0 Collections and Control Flow
    • Control Flow With Loops
    • While and Repeat While

    3 Answers

  • Michael Boswell
    Michael Boswell
    2,363 Points

    ++ vs += in Swift 3

    Posted May 21, 2016 12:07am by Michael Boswell
    Michael Boswell
    2,363 Points
    • iOS
    • Swift 2.0 Collections and Control Flow
    • Control Flow With Loops
    • While and Repeat While

    3 Answers

  • Khalid Naseem
    PLUS
    Khalid Naseem
    Courses Plus Student 477 Points

    increment operator ++ and +=

    Posted May 19, 2016 2:12pm by Khalid Naseem
    Khalid Naseem
    Courses Plus Student 477 Points
    • iOS
    • Swift 2.0 Collections and Control Flow
    • Control Flow With Loops
    • While and Repeat While

    1 Answer

  • Fernando Dedios
    Fernando Dedios
    2,760 Points

    Hi, I want to keep practicing this topic. Do you know where can I find more code challenges?

    Posted April 13, 2016 2:37pm by Fernando Dedios
    Fernando Dedios
    2,760 Points
    • iOS
    • Swift 2.0 Collections and Control Flow
    • Control Flow With Loops
    • While and Repeat While

    0 Answers

  • Brian Patterson
    Brian Patterson
    19,588 Points

    Don't how to retrieve the array.

    Posted October 24, 2015 9:53pm by Brian Patterson
    Brian Patterson
    19,588 Points
    • iOS
    • Swift 2.0 Collections and Control Flow
    • Control Flow With Loops
    • While and Repeat While

    9 Answers

Posting to the forum is only allowed for members with active accounts.
Please sign in or sign up to post.

Techdegree

  • Front End Web Development
  • Full Stack JavaScript
SEE ALL

Tracks

  • Learn to Code for Beginners
  • Beginning Python
  • Beginning SQL
  • Beginning Java
SEE ALL

Courses

  • JavaScript Basics
  • Intro to HTML & CSS
  • Python Basics
  • CSS Layout
SEE ALL

About Us

  • About
  • Blog
  • Community
  • Stories
  • Contact
  • Gift Card

Explore

  • Plans
  • Affiliates
  • Perks
  • Shop
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses

Treehouse is an online technology education platform founded in 2011. Treehouse offers more than 700 self-paced, video-based courses in web development, programming, data analysis, design, and AI, plus two project-based bootcamp programs in Front End Web Development and Full Stack JavaScript. Individual Treehouse plans start at $25 per month and include a 7-day free trial. Treehouse serves individual learners, businesses, schools, and public libraries. Cardholders at participating U.S. public libraries can use Treehouse for free. Select Treehouse courses, offered with University Pathways International, are recommended for college credit by ACE and NCCRS. Treehouse learners earn digital certificates for completed Tracks.

Terms & Conditions · Privacy · © 2026 Treehouse Island, Inc.
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
  • Discord