Treehouse | Community | Interfaces

🤑 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!

Newest
- Newest
- Active
- Unanswered
- Featured
All Topics

Matthew Francis
6,967 Points
Clarification on compareTo

Posted August 2, 2016 2:33pm by Matthew Francis

Matthew Francis
6,967 Points
2 Answers
Matthew Francis
6,967 Points
Newbie - Clarification on the Defitnion of Interfaces/When to use it

Posted August 1, 2016 4:50pm by Matthew Francis

Matthew Francis
6,967 Points
2 Answers
Jordan George
9,926 Points
Why not use other.getCreationDate() instead of other.mCreationDate()?

Posted August 1, 2016 3:41am by Jordan George

Jordan George
9,926 Points
1 Answer
Angad Singh
1,200 Points
compareTo

Posted July 29, 2016 8:07am by Angad Singh

Angad Singh
1,200 Points
1 Answer
Raquel Smith
10,683 Points
How does equals(other) compare to the object passed in?

Posted July 28, 2016 4:15pm by Raquel Smith

Raquel Smith
10,683 Points
1 Answer
michael wilkes
3,569 Points
What does (equals(other)) do?

Posted July 5, 2016 3:51am by michael wilkes

michael wilkes
3,569 Points
1 Answer
PLUS

Mahmoud Amin
Courses Plus Student 6,269 Points
Why check equality

Posted June 30, 2016 3:11pm by Mahmoud Amin

Mahmoud Amin
Courses Plus Student 6,269 Points
2 Answers
Quinton Rivera
5,177 Points
10:20 in video can't understand the logic behind the equals(other)) section of the compare to method code

Posted May 30, 2016 7:44am by Quinton Rivera

Quinton Rivera
5,177 Points
4 Answers
dlpuxdzztg
8,243 Points
We didn't call compareTo()...

Posted May 26, 2016 10:22pm by dlpuxdzztg

dlpuxdzztg
8,243 Points
1 Answer
Janis Sauss
4,672 Points
Why do i get - Exception in thread "main" java.lang.NullPointerException?

Posted May 17, 2016 10:25am by Janis Sauss

Janis Sauss
4,672 Points
3 Answers
Stayl T
968 Points
Difference between implementing and importing?

Posted April 27, 2016 7:18am by Stayl T

Stayl T
968 Points
1 Answer
Kshatriiya .
1,464 Points
Please explain the relationship between sort() and compareTo()

Posted April 22, 2016 2:22am by Kshatriiya .

Kshatriiya .
1,464 Points
2 Answers
Kshatriiya .
1,464 Points
Why do we use Object obj as an argument in compareTo(Object obj) if we're comparing two tweets?

Posted April 22, 2016 1:06am by Kshatriiya .

Kshatriiya .
1,464 Points
1 Answer
Kshatriiya .
1,464 Points
Please confirm or correct what i've managed to gather from this video

Posted April 21, 2016 1:01pm by Kshatriiya .

Kshatriiya .
1,464 Points
0 Answers
Derek Derek
8,744 Points
Help with overriding compareTo()

Posted April 21, 2016 8:52am by Derek Derek

Derek Derek
8,744 Points
2 Answers
Paul Willis
4,082 Points
Help with override

Posted April 11, 2016 7:40pm by Paul Willis

Paul Willis
4,082 Points
1 Answer
PLUS

der ds
Courses Plus Student 87 Points
What are we comparing... it is not a number. java is such stu-..

Posted March 28, 2016 2:07am by der ds

der ds
Courses Plus Student 87 Points
3 Answers
PLUS

der ds
Courses Plus Student 87 Points
What are we comparing... it is not a number. java is such stu-..

Posted March 28, 2016 2:07am by der ds

der ds
Courses Plus Student 87 Points
1 Answer
Matt O'Connor
1,705 Points
Struggling to understand various concepts in this lecture

Posted March 14, 2016 9:59pm by Matt O'Connor

Matt O'Connor
1,705 Points
3 Answers
PLUS

Ivan Kazakov
Courses Plus Student 43,317 Points
When implementing custom compareTo(), wouldn't it make sense to check for type equality with 'instanceof' operator?

Posted March 12, 2016 8:40pm by Ivan Kazakov

Ivan Kazakov
Courses Plus Student 43,317 Points
4 Answers
Jonathan Ramirez
6,284 Points
How does the compiler know to implement compareTo() ?

Posted March 6, 2016 11:19am by Jonathan Ramirez

Jonathan Ramirez
6,284 Points
1 Answer
PLUS

Eric De Wildt
Courses Plus Student 13,077 Points
Arrays Error

Posted March 1, 2016 9:23pm by Eric De Wildt

Eric De Wildt
Courses Plus Student 13,077 Points
1 Answer
Sandy Woods
1,082 Points
Treet comparison code

Posted December 24, 2015 11:46pm by Sandy Woods

Sandy Woods
1,082 Points
1 Answer
Sandy Woods
1,082 Points
Video question @ 3:15.

Posted December 24, 2015 8:49pm by Sandy Woods

Sandy Woods
1,082 Points
2 Answers
luis martinez
2,480 Points
Why does he do Object obj.

Posted December 5, 2015 2:55am by luis martinez

luis martinez
2,480 Points
1 Answer
Lucas Santos
19,315 Points
How does interfaces even play a part in this compareTo() video?

Posted November 22, 2015 12:39pm by Lucas Santos

Lucas Santos
19,315 Points
1 Answer
Mike B
10,424 Points
confused about compareTo

Posted November 14, 2015 9:38am by Mike B

Mike B
10,424 Points
2 Answers
Manish Giri
16,266 Points
Syntax for the compareTo() method

Posted October 28, 2015 7:37am by Manish Giri

Manish Giri
16,266 Points
1 Answer
Kevin Faust
15,353 Points
[solved]im not sure what we were trying to accomplish in this video and i got many questions..

Posted September 7, 2015 4:42pm by Kevin Faust

Kevin Faust
15,353 Points
1 Answer
Sean Flanagan
33,235 Points
Where are the errors?

Posted July 20, 2015 2:34pm by Sean Flanagan

Sean Flanagan
33,235 Points
4 Answers

Prev Page 3 of 4 Next

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