Treehouse | Community | ArrayLists

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

Join our Live Career-Building Workshop: Launch Your Tech-Adjacent Career! ⭐ 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!

Newest
- Newest
- Active
- Unanswered
- Featured
All Topics

Tony Williams
3,062 Points
I followed my method to match similar code to the video before. Is my thought process wrong?

Posted February 6, 2019 7:20pm by Tony Williams

Tony Williams
3,062 Points
1 Answer
Leo Marco Corpuz
18,975 Points
Java Collections challenge

Posted January 11, 2019 7:35pm by Leo Marco Corpuz

Leo Marco Corpuz
18,975 Points
1 Answer
Naval Kulkarni
13,782 Points
Can't find the links

Posted October 10, 2018 3:43pm by Naval Kulkarni

Naval Kulkarni
13,782 Points
1 Answer
Ewerton Luna
Full Stack JavaScript Techdegree Graduate 24,031 Points
I'm stuck in this challenge and I don't know why!

Posted March 15, 2018 7:08pm by Ewerton Luna

Ewerton Luna
Full Stack JavaScript Techdegree Graduate 24,031 Points
1 Answer
Jack Cummins
17,417 Points
Why is my answer wrong? I give out best answers if you give me a good answer.

Posted March 13, 2018 7:19pm by Jack Cummins

Jack Cummins
17,417 Points
2 Answers
Db Jiminian
2,119 Points
Not sure what Im doing wrong? Bummer! Expected 3 links to be found, but received 0.

Posted March 4, 2018 7:36pm by Db Jiminian

Db Jiminian
2,119 Points
1 Answer
PLUS

Enyang Mercy
Courses Plus Student 2,339 Points
ArrayList/LinkedList a method with that return list of links

Posted February 1, 2018 11:33am by Enyang Mercy

Enyang Mercy
Courses Plus Student 2,339 Points
3 Answers
corredius yarbrough
3,167 Points
Need help with ArrayList challenge.

Posted November 9, 2017 12:54am by corredius yarbrough

corredius yarbrough
3,167 Points
1 Answer
sankalp yadav
2,101 Points
Whats wrong with this code ?

Posted September 20, 2017 3:43am by sankalp yadav

sankalp yadav
2,101 Points
2 Answers
jake denice
86 Points
What Does this method do because I forgot what this reg expression is searching for. Please Help!

Posted August 1, 2017 7:26pm by jake denice

jake denice
86 Points
0 Answers
Ricardo Sala
16,212 Points
Please, check my code! List implementation

Posted July 18, 2017 11:13am by Ricardo Sala

Ricardo Sala
16,212 Points
1 Answer
Davide Tondini
4,001 Points
Bummer: expected 3 links to be found, but received 1.

Posted May 9, 2017 9:11pm by Davide Tondini

Davide Tondini
4,001 Points
1 Answer
Carlo Antonio Bilbao
24,113 Points
Java, ArrayList Challenge

Posted January 22, 2017 9:59pm by Carlo Antonio Bilbao

Carlo Antonio Bilbao
24,113 Points
4 Answers
Nirbhay Agarwal
2,852 Points
Bummer

Posted January 7, 2017 7:29pm by Nirbhay Agarwal

Nirbhay Agarwal
2,852 Points
1 Answer
Katriel Paige
9,260 Points
Did I miss importing something?

Posted December 5, 2016 7:13pm by Katriel Paige

Katriel Paige
9,260 Points
1 Answer
Colby Wise
3,165 Points
Error: Expected 3 outcomes but returned 0 -- why doesnt this implementation w/ helper method not work?

Posted November 30, 2016 7:15pm by Colby Wise

Colby Wise
3,165 Points
1 Answer
Gaspar Santiago
3,377 Points
Compiler error unclear... don't see what the problem is.

Posted October 6, 2016 2:58am by Gaspar Santiago

Gaspar Santiago
3,377 Points
1 Answer
AJ Longstreet
Treehouse Project Reviewer
getexternallinks

Posted September 19, 2016 11:39pm by AJ Longstreet

AJ Longstreet
Treehouse Project Reviewer
1 Answer
Fredrick Reid
7,354 Points
ArrayList Objective

Posted August 10, 2016 9:04am by Fredrick Reid

Fredrick Reid
7,354 Points
2 Answers
James N
17,864 Points
Strange error? "JavaTester.java uses unchecked or unsafe operations."?

Posted July 6, 2016 9:25pm by James N

James N
17,864 Points
1 Answer
John Harles
20,614 Points
Challenge after the video "Using ArrayLists" keeps asking "Did you forget to add the getExternalLinks method?

Posted June 23, 2016 2:03am by John Harles

John Harles
20,614 Points
1 Answer
Dan Brown
12,427 Points
I'm not sure what's wrong?!?!

Posted June 12, 2016 8:04am by Dan Brown

Dan Brown
12,427 Points
1 Answer
dlpuxdzztg
8,243 Points
Question about challenge.

Posted May 31, 2016 5:16pm by dlpuxdzztg

dlpuxdzztg
8,243 Points
1 Answer
Aaron Coursolle
18,014 Points
[Solved]Code not passing

Posted May 17, 2016 3:57am by Aaron Coursolle

Aaron Coursolle
18,014 Points
1 Answer
Alex Kasper
1,896 Points
Java - ArrayLists - why are array lists not being recognized after importing?

Posted May 16, 2016 4:24pm by Alex Kasper

Alex Kasper
1,896 Points
2 Answers
anthony fontes
12,405 Points
stuck on code challenge

Posted May 12, 2016 4:43am by anthony fontes

anthony fontes
12,405 Points
1 Answer
Werner Seegers
1,128 Points
I keep getting the : "Did you forget to add getExternalLinks method." But i did create it.

Posted May 3, 2016 5:33pm by Werner Seegers

Werner Seegers
1,128 Points
2 Answers
Justin Barrett
27,345 Points
incompatible types: String[] cannot be converted to List

Posted March 27, 2016 12:21am by Justin Barrett

Justin Barrett
27,345 Points
1 Answer
Oshedhe Munasinghe
8,108 Points
What's the different between ArrayList and List?

Posted February 25, 2016 3:57pm by Oshedhe Munasinghe

Oshedhe Munasinghe
8,108 Points
4 Answers
mayur lalwani
992 Points
Cannot find error

Posted February 9, 2016 5:38am by mayur lalwani

mayur lalwani
992 Points
1 Answer

Prev Page 1 of 2 Next

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