Treehouse | Community | Sets

🤑 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

Benjamin Orimoloye
23,328 Points
Stuck here

Posted December 6, 2016 4:08pm by Benjamin Orimoloye

Benjamin Orimoloye
23,328 Points
0 Answers
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
Help with Challenge error - "for-each not applicable to expression type | require Array or List"

Posted November 30, 2016 11:36pm by Colby Wise

Colby Wise
3,165 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
Colby Wise
3,165 Points
Great Write Up on Comparable Interface & Sorting

Posted November 30, 2016 4:01pm by Colby Wise

Colby Wise
3,165 Points
1 Answer
PLUS

yadin michaeli
Courses Plus Student 5,423 Points
What is a key value ?

Posted November 25, 2016 4:08pm by yadin michaeli

yadin michaeli
Courses Plus Student 5,423 Points
4 Answers
Lucas Frixione
1,332 Points
why doesn't the counter reset? please help

Posted November 16, 2016 7:06am by Lucas Frixione

Lucas Frixione
1,332 Points
2 Answers
tomtrnka
9,780 Points
How to write a method for printing all items from Lists AND Sets?

Posted November 2, 2016 10:00pm by tomtrnka

tomtrnka
9,780 Points
3 Answers
Gaspar Santiago
3,377 Points
Why do I have incompatible Types? Why does it say cannot find symbol for a function that does exist?

Posted October 26, 2016 8:04pm by Gaspar Santiago

Gaspar Santiago
3,377 Points
1 Answer
Tyler Combs
15,525 Points
Having trouble with a map here...

Posted October 15, 2016 11:15pm by Tyler Combs

Tyler Combs
15,525 Points
1 Answer
raul cortes
5,745 Points
why second parameter is this....

Posted October 14, 2016 3:42am by raul cortes

raul cortes
5,745 Points
2 Answers
Sashreek Siddhartha Reddy Dammu
Java Web Development Techdegree Student 1,129 Points
Cannot figure out why I am getting "Cannot find suitable printf method" error

Posted October 13, 2016 7:16pm by Sashreek Siddhartha Reddy Dammu

Sashreek Siddhartha Reddy Dammu
Java Web Development Techdegree Student 1,129 Points
1 Answer
Mike Bonney
949 Points
answer

Posted October 12, 2016 10:01am by Mike Bonney

Mike Bonney
949 Points
0 Answers
Viktor Kuryshev
2,021 Points
System.out.printf("%s", hashTagCounts); How Map is converted into String?

Posted October 9, 2016 9:44am by Viktor Kuryshev

Viktor Kuryshev
2,021 Points
1 Answer
Gaspar Santiago
3,377 Points
Logic Error?

Posted October 7, 2016 10:49pm by Gaspar Santiago

Gaspar Santiago
3,377 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
Unsubscribed User
1,118 Points
Cannot figure out why I am getting a java.lang.reflect.InvocationTargetException error? Please help.

Posted October 5, 2016 6:40pm by Unsubscribed User

Unsubscribed User
1,118 Points
2 Answers
Thomas Williams
9,447 Points
System.out.printf("There are %d treets. %n", treets.length); WHY DOES .length NOT REQUIRE '()'

Posted October 5, 2016 2:48pm by Thomas Williams

Thomas Williams
9,447 Points
1 Answer
pingu
1,012 Points
Accessing all the categories

Posted October 5, 2016 8:24am by pingu

pingu
1,012 Points
1 Answer
mijurg
16,044 Points
returns compile error... why bolean instead of string?

Posted September 27, 2016 6:02pm by mijurg

mijurg
16,044 Points
3 Answers
AJ Longstreet
Treehouse Project Reviewer
getexternallinks

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

AJ Longstreet
Treehouse Project Reviewer
1 Answer
Jay Bhatt
6,502 Points
How do I retrieve the authors (using getAuthors()) from the original BlogPost class into the Blog class?

Posted September 19, 2016 12:11am by Jay Bhatt

Jay Bhatt
6,502 Points
1 Answer
Soumyadeep Mukhopadhyay
1,772 Points
(Maps - Java) I have followed the exactly how Craig has shown us but it still won't compile. Can anyone please help me?

Posted September 17, 2016 7:58pm by Soumyadeep Mukhopadhyay

Soumyadeep Mukhopadhyay
1,772 Points
1 Answer
Soumyadeep Mukhopadhyay
1,772 Points
The Workspace

Posted September 17, 2016 7:18pm by Soumyadeep Mukhopadhyay

Soumyadeep Mukhopadhyay
1,772 Points
0 Answers
habtezion dawit
1,918 Points
same error keeps coming up...

Posted September 13, 2016 10:30am by habtezion dawit

habtezion dawit
1,918 Points
3 Answers
habtezion dawit
1,918 Points
unable to complete challenge, i keep getting the same error message

Posted September 11, 2016 3:00pm by habtezion dawit

habtezion dawit
1,918 Points
3 Answers
MOD

Jonathan Grieve
Treehouse Moderator 91,253 Points
Map Collections - Review

Posted August 28, 2016 3:32pm by Jonathan Grieve

Jonathan Grieve
Treehouse Moderator 91,253 Points
0 Answers
MOD

Jonathan Grieve
Treehouse Moderator 91,253 Points
One thing I don't understand.. where are the Treets coming from?

Posted August 27, 2016 10:04am by Jonathan Grieve

Jonathan Grieve
Treehouse Moderator 91,253 Points
1 Answer
MOD

Jonathan Grieve
Treehouse Moderator 91,253 Points
Java Set Collection: My Review

Posted August 26, 2016 8:46pm by Jonathan Grieve

Jonathan Grieve
Treehouse Moderator 91,253 Points
0 Answers
MOD

Jonathan Grieve
Treehouse Moderator 91,253 Points
Lists Interfaces - Java

Posted August 24, 2016 4:35pm by Jonathan Grieve

Jonathan Grieve
Treehouse Moderator 91,253 Points
0 Answers

Prev Page 8 of 17 Next

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