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

Join our Live Career-Building Workshop: Fast-Track Your Tech Career Without a Degree! ⭐ Register here!

🌟 Dreaming of a bright future? 🎓 Ask about the Treehouse Scholarship program! 🚀

Curious which AI tools Treehouse developers love? ⚙️ Check them out!

🫡 Treehouse for Military offers discounts to Veterans, service members and their families!

  • Treehouse Logo
  • Plans
    Chevron
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
  • Library
    Chevron
    • All Courses
    • Tracks
  • Techdegree
    Chevron
    • Overview
    • Front End Development
    • Full Stack JavaScript
    • Data Analysis
    • UX Design
    • Python
  • Community
    Chevron
    • 100 Days of Code
    • Live Sessions
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
  • Resources
    Chevron
    • Career Toolbox
    • CodeForward
    • Free Treehouse Near Me
    • Jobs
    • Blog
    • Support
    • About
  • For Individuals For Businesses For Schools For Libraries For Military
  • All Courses Tracks
  • Overview Front End Web Development Full Stack JavaScript Python Development Data Analysis UX Design
  • 100 Days of Code Live Sessions Code Adventures Discord Forum Success Stories Treehouse Links
  • Career Toolbox CodeForward Free Treehouse Near Me Jobs Blog Support About
  • Sign In
  • Free Trial
Instagram Twitter Facebook YouTube LinkedIn
    • 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
  • Jack Chaffin
    PLUS
    Jack Chaffin
    Courses Plus Student 4,462 Points

    Collections.sort method not being used in lambdas?

    Posted April 14, 2021 2:42pm by Jack Chaffin
    Jack Chaffin
    Courses Plus Student 4,462 Points
    • Java
    • Introducing Lambdas

    0 Answers

  • Ronnie N
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    Ronnie N
    Full Stack JavaScript Techdegree Student 102 Points

    what is the "container" & "functional interface" referred to here at 4min 20seconds of the video?

    Posted October 19, 2020 8:37pm by Ronnie N
    .a{fill-rule:evenodd;}techdegree
    Ronnie N
    Full Stack JavaScript Techdegree Student 102 Points
    • Java
    • Introducing Lambdas

    0 Answers

  • salama pascal
    PLUS
    salama pascal
    Courses Plus Student 184 Points

    Move to java 8

    Posted October 7, 2018 1:14am by salama pascal
    salama pascal
    Courses Plus Student 184 Points
    • Java
    • Introducing Lambdas

    1 Answer

  • Chanda Lupambo
    PLUS
    Chanda Lupambo
    Courses Plus Student 27,336 Points

    Error using lambda

    Posted April 12, 2018 8:54am by Chanda Lupambo
    Chanda Lupambo
    Courses Plus Student 27,336 Points
    • Java
    • Introducing Lambdas

    1 Answer

  • Manish Giri
    Manish Giri
    16,266 Points

    Lambdas should be introduced better in the "Learn Java" Track

    Posted July 3, 2017 6:19pm by Manish Giri
    Manish Giri
    16,266 Points
    • Java
    • Introducing Lambdas

    0 Answers

  • Lawrence Babay
    Lawrence Babay
    6,941 Points

    Error

    Posted June 17, 2017 9:17pm by Lawrence Babay
    Lawrence Babay
    6,941 Points
    • Java
    • Introducing Lambdas

    0 Answers

  • Joe Di Trolio
    Joe Di Trolio
    3,429 Points

    Confirming my understanding on Collections

    Posted January 15, 2017 6:07pm by Joe Di Trolio
    Joe Di Trolio
    3,429 Points
    • Java
    • Introducing Lambdas

    2 Answers

  • Michael Anderson
    Michael Anderson
    3,971 Points

    Not sure I understand how methods accept Lambdas as parameters

    Posted August 1, 2016 2:17am by Michael Anderson
    Michael Anderson
    3,971 Points
    • Java
    • Introducing Lambdas

    1 Answer

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
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
Terms & Conditions | Privacy

© 2024 Treehouse Island, Inc.