Jump into our new React Basics course ๐Ÿ˜Ž

Learn about our new Community Discord server here and join us on Discord here!

Probe The AI Multiverse: Exploring the Subfields of Artificial Intelligence ๐Ÿ˜ฎ

Get job-ready with our Career Toolbox Track's career advice, resume tips, and more ๐Ÿงฐ

New course: AI Tools for Designers ๐ŸŽจโœจ

Students: got a cool project or resource to share? Submit it to Treehouse Links! ๐Ÿคฉ

Learn about our new Community Discord server here and join us on Discord here!

๐Ÿค– Check out all our AI content here ๐Ÿ‘€

  • Home
  • Free Trial
  • Sign In
  • Plans
  • Tracks
  • Library
  • Community
  • Support
  • Jobs
    • Newest
      • Newest
      • Active
      • Unanswered
      • Featured
    • All Topics
      • All Topics
      • • General Discussion
      • • 21st Century Skills
      • • AI
      • • Android
      • • APIs
      • • Business
      • • C#
      • • Computer Science
      • • CSS
      • • Data Analysis
      • • Databases
      • • Design
      • • Development Tools
      • • Digital Literacy
      • • Equity, Diversity, and Inclusion (EDI)
      • • Go Language
      • • HTML
      • • Java
      • • JavaScript
      • • Learning Resources
      • • Machine Learning
      • • PHP
      • • Python
      • • Quality Assurance
      • • React
      • • Ruby
      • • Security
  • Caleb Kleveter
    MOD
    Caleb Kleveter
    Treehouse Moderator 37,862 Points

    Using a custom Class quiz

    Posted February 24, 2015 5:20pm by Caleb Kleveter
    Caleb Kleveter
    Treehouse Moderator 37,862 Points
    • iOS
    • Build a Blog Reader iPhone App
    • Data Modeling
    • Using a Custom Class

    1 Answer

  • Steve Hunter
    Steve Hunter
    57,711 Points

    Create an instance of Song using the designated initializer.

    Posted May 26, 2014 2:59pm by Steve Hunter
    Steve Hunter
    57,711 Points
    • iOS
    • Build a Blog Reader iPhone App
    • Data Modeling
    • Using a Custom Class

    2 Answers

  • Florian Grummel
    Florian Grummel
    5,424 Points

    Why are these two answers wrong?

    Posted April 20, 2014 9:57am by Florian Grummel
    Florian Grummel
    5,424 Points
    • iOS
    • Build a Blog Reader iPhone App
    • Data Modeling
    • Using a Custom Class

    2 Answers

  • Sayana Narayanan
    Sayana Narayanan
    1,221 Points

    convenience constructor

    Posted April 10, 2014 5:41pm by Sayana Narayanan
    Sayana Narayanan
    1,221 Points
    • iOS
    • Build a Blog Reader iPhone App
    • Data Modeling
    • Using a Custom Class

    2 Answers

  • Sayana Narayanan
    Sayana Narayanan
    1,221 Points

    designated initializer

    Posted April 10, 2014 5:40pm by Sayana Narayanan
    Sayana Narayanan
    1,221 Points
    • iOS
    • Build a Blog Reader iPhone App
    • Data Modeling
    • Using a Custom Class

    1 Answer

  • Elliot Beaudoin
    Elliot Beaudoin
    1,430 Points

    Maybe I'm crazy

    Posted April 5, 2014 4:51am by Elliot Beaudoin
    Elliot Beaudoin
    1,430 Points
    • iOS
    • Build a Blog Reader iPhone App
    • Data Modeling
    • Using a Custom Class

    1 Answer

  • Jorge Guzman
    PLUS
    Jorge Guzman
    Courses Plus Student 21,390 Points

    Just canยดt cope with the Quiz

    Posted April 4, 2014 10:09am by Jorge Guzman
    Jorge Guzman
    Courses Plus Student 21,390 Points
    • iOS
    • Build a Blog Reader iPhone App
    • Data Modeling
    • Using a Custom Class

    5 Answers

  • Merijn Hoogeveen
    Merijn Hoogeveen
    3,720 Points

    Can't finish the quiz

    Posted February 26, 2014 11:03pm by Merijn Hoogeveen
    Merijn Hoogeveen
    3,720 Points
    • iOS
    • Build a Blog Reader iPhone App
    • Data Modeling
    • Using a Custom Class

    1 Answer

  • Jordan Fowler
    Jordan Fowler
    3,821 Points

    Convenience constructors don't work...

    Posted February 19, 2014 12:22am by Jordan Fowler
    Jordan Fowler
    3,821 Points
    • iOS
    • Build a Blog Reader iPhone App
    • Data Modeling
    • Using a Custom Class

    2 Answers

  • Kyle V
    Kyle V
    781 Points

    Any Advice for this Quiz

    Posted February 17, 2014 7:58pm by Kyle V
    Kyle V
    781 Points
    • iOS
    • Build a Blog Reader iPhone App
    • Data Modeling
    • Using a Custom Class

    3 Answers

  • Anton Rivera
    Anton Rivera
    3,806 Points

    First question with wrong answer?

    Posted February 8, 2014 11:28pm by Anton Rivera
    Anton Rivera
    3,806 Points
    • iOS
    • Build a Blog Reader iPhone App
    • Data Modeling
    • Using a Custom Class

    2 Answers

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

    Treehouse

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

See Full Catalogue

Techdegree

  • Front End Web Development
  • Full Stack JavaScript
  • Python Development
  • Data Analysis
  • UX Design

Tracks

  • Learn to Code for Beginners
  • Beginning Python
  • Beginning SQL
  • Beginning Java
  • ...see more

Courses

  • JavaScript Basics
  • Intro to HTML & CSS
  • Python Basics
  • CSS Layout
  • ...see more

Explore

  • Plans
  • Perks
  • Public Library Access
  • Treehouse for Libraries
  • Treehouse for Businesses
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
Terms & Conditions | Privacy

© 2023 Treehouse Island, Inc.