Treehouse | Community | Sets

✨ Earn college credits in Cybersecurity, JS, HTML, CSS and Python

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

New No-Code Track! 🚀start learning today!

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

✨ Earn college credits in Cybersecurity, JS, HTML, CSS and Python

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

Newest
- Newest
- Active
- Unanswered
- Featured
All Topics

Dinu Comendant
6,049 Points
add vs addAll

Posted on Apr 21, 2019 by Dinu Comendant

Dinu Comendant
6,049 Points
1 Answer
James Adamski
3,027 Points
Unsupported operation error in java-repl

Posted on May 16, 2018 by James Adamski

James Adamski
3,027 Points
1 Answer
Jose Acevedo
2,395 Points
Video framerate looks slow!

Posted on Apr 16, 2018 by Jose Acevedo

Jose Acevedo
2,395 Points
1 Answer
Andre Kucharzyk
4,479 Points
~11:36 "Returning 0 should only happen for true equality" - I have no idea what Craig meant there.

Posted on Mar 1, 2018 by Andre Kucharzyk

Andre Kucharzyk
4,479 Points
2 Answers
Andre Kucharzyk
4,479 Points
~8:53 why we are able to add List to Set?! allHashTags.addAll(treet.getHashTags());

Posted on Mar 1, 2018 by Andre Kucharzyk

Andre Kucharzyk
4,479 Points
4 Answers
Tomás Borges
4,394 Points
Are ArrayLists data structures or classes? can they be both?

Posted on Dec 29, 2017 by Tomás Borges

Tomás Borges
4,394 Points
1 Answer
Clay Janson
96 Points
I understand the Enhanced for loop but, in this for loop for(Treet treet: treets) what is "treets" in this for loop.

Posted on Sep 1, 2017 by Clay Janson

Clay Janson
96 Points
2 Answers
Ricardo Sala
16,212 Points
SortedSet added new method? How?

Posted on Aug 18, 2017 by Ricardo Sala

Ricardo Sala
16,212 Points
2 Answers
PLUS

Siu KWAN Yuen
Courses Plus Student 2,898 Points
import packages

Posted on Aug 6, 2017 by Siu KWAN Yuen

Siu KWAN Yuen
Courses Plus Student 2,898 Points
4 Answers
Adarsh Cavale
2,262 Points
You said Set is an interface. How come you don't have to implement the interface?

Posted on Aug 5, 2017 by Adarsh Cavale

Adarsh Cavale
2,262 Points
1 Answer
alexgomez2019
5,556 Points
When were the 58 treets loaded?

Posted on Jun 22, 2017 by alexgomez2019

alexgomez2019
5,556 Points
1 Answer
PLUS

Eric Tang
Courses Plus Student 1,300 Points
for(Treet treet: treets)

Posted on Jun 9, 2017 by Eric Tang

Eric Tang
Courses Plus Student 1,300 Points
1 Answer
Pranjal Agnihotri
4,187 Points
The Quiz of topic "Set" questions: (Java Track)

Posted on May 21, 2017 by Pranjal Agnihotri

Pranjal Agnihotri
4,187 Points
1 Answer
Martin Gallauner
10,808 Points
Why import java.util.Set and java.util.HashSet?

Posted on Mar 5, 2017 by Martin Gallauner

Martin Gallauner
10,808 Points
2 Answers
varun dixit
130 Points
what is this ??? i'm not able to understand please help me out...

Posted on Feb 2, 2017 by varun dixit

varun dixit
130 Points
1 Answer
Subham Singh
86 Points
array-based and collection-based APIs

Posted on Jan 23, 2017 by Subham Singh

Subham Singh
86 Points
2 Answers
Christopher Mlalazi
Front End Web Development Techdegree Graduate 17,305 Points
Imports == Alphabetical order?

Posted on Jan 21, 2017 by Christopher Mlalazi

Christopher Mlalazi
Front End Web Development Techdegree Graduate 17,305 Points
3 Answers
tomtrnka
9,780 Points
How to write a method for printing all items from Lists AND Sets?

Posted on Nov 2, 2016 by tomtrnka

tomtrnka
9,780 Points
3 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 on Oct 13, 2016 by Sashreek Siddhartha Reddy Dammu

Sashreek Siddhartha Reddy Dammu
Java Web Development Techdegree Student 1,129 Points
1 Answer
Steven Williams
2,199 Points
Arrays.asList

Posted on May 6, 2016 by Steven Williams

Steven Williams
2,199 Points
2 Answers
Manish Giri
16,266 Points
When were those 58 treets loaded in the Treet object? And how?

Posted on Nov 2, 2015 by Manish Giri

Manish Giri
16,266 Points
2 Answers
Shariq Shaikh
13,945 Points
The Hash Tags and Mentions are not loading once I execute the program from the console.

Posted on Aug 31, 2015 by Shariq Shaikh

Shariq Shaikh
13,945 Points
3 Answers
Shezan Kazi
10,807 Points
Explaination of for statement

Posted on Aug 16, 2015 by Shezan Kazi

Shezan Kazi
10,807 Points
1 Answer
Rey Adronico Baguio
13,672 Points
Sets

Posted on Aug 13, 2015 by Rey Adronico Baguio

Rey Adronico Baguio
13,672 Points
1 Answer
Brent Mayberry
1,029 Points
Differences in way List<String> is created?

Posted on Jul 15, 2015 by Brent Mayberry

Brent Mayberry
1,029 Points
2 Answers
Grigorij Schleifer
10,365 Points
Can´t solve the Sets challenge

Posted on Jul 3, 2015 by Grigorij Schleifer

Grigorij Schleifer
10,365 Points
5 Answers
Alex Lowe
15,147 Points
Problem with overtype in Workspace.

Posted on Jun 10, 2015 by Alex Lowe

Alex Lowe
15,147 Points
0 Answers
Michael Timbs
15,761 Points
loading the treets.ser file?

Posted on May 7, 2015 by Michael Timbs

Michael Timbs
15,761 Points
0 Answers
Thomas Williams
9,447 Points
Illegal start of 'for'??

Posted on Apr 3, 2015 by Thomas Williams

Thomas Williams
9,447 Points
3 Answers
Tony Brackins
28,766 Points
Set<String> vs HashSet<String>();

Posted on Mar 27, 2015 by Tony Brackins

Tony Brackins
28,766 Points
3 Answers

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