Skip to main content

Notice: Workspaces are undergoing maintenance and are temporarily unavailable.

🚀 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
  • Braedon Angel
    Braedon Angel
    16,718 Points

    please help me with this ruby

    Posted November 6, 2024 4:21pm by Braedon Angel
    Braedon Angel
    16,718 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Instantiation

    1 Answer

  • Chris Griffin
    Chris Griffin
    185 Points

    what to do

    Posted February 27, 2020 11:15pm by Chris Griffin
    Chris Griffin
    185 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Instantiation

    2 Answers

  • silva celso
    silva celso
    13,513 Points

    I would to reset and start a course which I have already completed. Is there a way to my course completely reset.

    Posted July 28, 2018 1:57am by silva celso
    silva celso
    13,513 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Ruby Classes

    1 Answer

  • Tiago Mendes
    PLUS
    Tiago Mendes
    Courses Plus Student 181 Points

    array = Array.new is retrieving error

    Posted June 28, 2018 9:25pm by Tiago Mendes
    Tiago Mendes
    Courses Plus Student 181 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Instantiation

    1 Answer

  • Jan Oberreiter
    Jan Oberreiter
    78,021 Points

    I would appreciate any help so much, I am stuck on this question for hours now and cannot move on.

    Posted April 25, 2018 12:44pm by Jan Oberreiter
    Jan Oberreiter
    78,021 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Creating and Instantiating a Class

    3 Answers

  • victor manda
    PLUS
    victor manda
    Courses Plus Student 2,479 Points

    How to work with respond_to?

    Posted January 31, 2018 4:07pm by victor manda
    victor manda
    Courses Plus Student 2,479 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Asking Objects Questions

    1 Answer

  • alshihmani
    alshihmani
    17,418 Points

    I need help, PLZ.

    Posted October 29, 2017 12:57pm by alshihmani
    alshihmani
    17,418 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Asking Objects Questions

    2 Answers

  • Ward Madoyan
    Ward Madoyan
    2,380 Points

    #whats wrong?

    Posted July 23, 2017 6:12pm by Ward Madoyan
    Ward Madoyan
    2,380 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Instantiation

    1 Answer

  • Nathan DeWaele
    Nathan DeWaele
    1,815 Points

    what am I doing wrong here? array = String.new{}

    Posted July 17, 2017 9:32pm by Nathan DeWaele
    Nathan DeWaele
    1,815 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Instantiation

    1 Answer

  • Bridget Jones
    Bridget Jones
    2,711 Points

    Is the array class supposed to inherit from the String class in Task 1? I wrote the answer to Task 2 in similar fashion.

    Posted June 21, 2017 2:31pm by Bridget Jones
    Bridget Jones
    2,711 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Instantiation

    1 Answer

  • Eric xiao
    Eric xiao
    2,060 Points

    Your answer is wrong.

    Posted June 2, 2017 2:57am by Eric xiao
    Eric xiao
    2,060 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Instantiation

    2 Answers

  • tinaf
    tinaf
    6,785 Points

    Ruby objects and classes: creating and instantiating classes

    Posted January 1, 2017 6:00am by tinaf
    tinaf
    6,785 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Creating and Instantiating a Class

    2 Answers

  • Kamala Jain
    Kamala Jain
    1,678 Points

    Without using the return keyword how the method in the class gave the string

    Posted December 1, 2016 2:48am by Kamala Jain
    Kamala Jain
    1,678 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Creating a Class

    2 Answers

  • MICHAEL P
    MICHAEL P
    5,191 Points

    How do I clear the "console" in Treehouse?

    Posted June 27, 2016 12:45am by MICHAEL P
    MICHAEL P
    5,191 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Instantiation

    3 Answers

  • Melanie Blazevic
    Melanie Blazevic
    5,329 Points

    respond_to? method, ask the string variable if it responds to the upcase method. Remember, the respond_to? method

    Posted April 29, 2016 4:49pm by Melanie Blazevic
    Melanie Blazevic
    5,329 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Asking Objects Questions

    1 Answer

  • Alexander Mooney
    Alexander Mooney
    7,321 Points

    Does every class have an initialize method, and if so, does every class you create require one?

    Posted April 20, 2016 9:28pm by Alexander Mooney
    Alexander Mooney
    7,321 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Instantiation

    1 Answer

  • Julius Marko
    Julius Marko
    3,335 Points

    Hi, this video does't work, i don't know why.

    Posted August 10, 2015 9:35am by Julius Marko
    Julius Marko
    3,335 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Ruby Objects

    2 Answers

  • Gad Levy
    Gad Levy
    2,224 Points

    help

    Posted July 3, 2015 12:27am by Gad Levy
    Gad Levy
    2,224 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Creating and Instantiating a Class

    1 Answer

  • Daniel Wise
    Daniel Wise
    9,119 Points

    Not sure how to start this

    Posted June 21, 2015 4:56am by Daniel Wise
    Daniel Wise
    9,119 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Creating and Instantiating a Class

    1 Answer

  • Sara Brothers
    Sara Brothers
    7,341 Points

    In this challenge it keeps looping back, why? What am I missing?

    Posted June 1, 2015 5:05pm by Sara Brothers
    Sara Brothers
    7,341 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Instantiation

    1 Answer

  • Sara Brothers
    Sara Brothers
    7,341 Points

    Ruby Help

    Posted May 27, 2015 11:05pm by Sara Brothers
    Sara Brothers
    7,341 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Instantiation

    3 Answers

  • Sara Brothers
    Sara Brothers
    7,341 Points

    Ruby Objects and Classes Challenge 2 of 2

    Posted May 27, 2015 8:16pm by Sara Brothers
    Sara Brothers
    7,341 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Instantiation

    1 Answer

  • SY LOC
    SY LOC
    3,233 Points

    Using the respond_to? method, ask the string variable if it responds to the upcase method. Remember, the respond_to?

    Posted May 24, 2015 4:03am by SY LOC
    SY LOC
    3,233 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Asking Objects Questions

    1 Answer

  • Jim Harrold
    Jim Harrold
    2,927 Points

    Think it's bugged. Tried Array.new(), Array.new[], Array.new(array), Array.new[array], array = Array.new. Still stuck.

    Posted April 28, 2015 10:41pm by Jim Harrold
    Jim Harrold
    2,927 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Instantiation

    5 Answers

  • dotz
    dotz
    6,733 Points

    Is there a way to call the puts method on all of the methods within in the class Name in this video?

    Posted March 20, 2015 2:05am by dotz
    dotz
    6,733 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Creating a Class

    1 Answer

  • Sydney Cohen
    Sydney Cohen
    2,909 Points

    Not sure what to do here: Instantiate an instance of the Name class and assign it to the variable name. This must come a

    Posted February 26, 2015 6:59pm by Sydney Cohen
    Sydney Cohen
    2,909 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Creating and Instantiating a Class

    3 Answers

  • Noobs guru
    Noobs guru
    3,847 Points

    why doesnt this work

    Posted February 8, 2015 3:44pm by Noobs guru
    Noobs guru
    3,847 Points
    • Ruby
    • Ruby Objects and Classes
    • Ruby Objects and Classes
    • Instantiation

    1 Answer

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