Treehouse | Community | Using a Map to store Contact Methods

🤑 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

kumbirai mangwanda
1,628 Points
In the next couple of steps, let's fix up this work in progress Contact model.

Posted April 4, 2019 7:30pm by kumbirai mangwanda

kumbirai mangwanda
1,628 Points
1 Answer
olu adesina
23,007 Points
Map.Entry.getKey() returning type Object instead of the key corresponding to this entry.

Posted February 26, 2019 8:04pm by olu adesina

olu adesina
23,007 Points
0 Answers
michael lee
5,179 Points
Trying to add the contactInfo

Posted January 18, 2019 9:58am by michael lee

michael lee
5,179 Points
1 Answer
Phoenix S.
2,456 Points
Not sure why it's failing

Posted January 15, 2019 5:28pm by Phoenix S.

Phoenix S.
2,456 Points
1 Answer
Radu Padeanu
4,279 Points
Java Data Structures : Task 1 of 3

Posted October 15, 2018 1:02pm by Radu Padeanu

Radu Padeanu
4,279 Points
1 Answer
Naval Kulkarni
13,782 Points
What is this error?

Posted October 12, 2018 11:37pm by Naval Kulkarni

Naval Kulkarni
13,782 Points
1 Answer
Dozie Anazia
1,227 Points
addContactMethods I'm not even sure where to start. Please tell me what I'm doing wrong.

Posted July 30, 2018 9:07pm by Dozie Anazia

Dozie Anazia
1,227 Points
1 Answer
Jack Cummins
17,417 Points
I don't understand why my code is wrong. I give out best answer and upvote if you give me a good answer.

Posted March 17, 2018 6:48pm by Jack Cummins

Jack Cummins
17,417 Points
1 Answer
Jack Cummins
17,417 Points
Stuck, do not no what I am being asked to do. Please help. I will give out a best answer if you give me a good answer.

Posted March 17, 2018 5:25pm by Jack Cummins

Jack Cummins
17,417 Points
0 Answers
PLUS

Bogdan Siverchuk
Courses Plus Student 1,707 Points
MY brain refused to work, seems simple but i can't get it, Map and Set how do they work together!?

Posted March 2, 2018 4:25am by Bogdan Siverchuk

Bogdan Siverchuk
Courses Plus Student 1,707 Points
4 Answers
PLUS

Bogdan Siverchuk
Courses Plus Student 1,707 Points
I think i'm lost! I don't understand why it doesn't want to see .add!?

Posted March 2, 2018 2:55am by Bogdan Siverchuk

Bogdan Siverchuk
Courses Plus Student 1,707 Points
1 Answer
Damjan Vlaic
19,244 Points
---JAVA---

Posted February 18, 2018 1:49pm by Damjan Vlaic

Damjan Vlaic
19,244 Points
1 Answer
Damjan Vlaic
19,244 Points
---JAVA---

Posted February 18, 2018 9:22am by Damjan Vlaic

Damjan Vlaic
19,244 Points
2 Answers
PLUS

Enyang Mercy
Courses Plus Student 2,339 Points
Maps modify the addContactsMethod

Posted February 10, 2018 2:31am by Enyang Mercy

Enyang Mercy
Courses Plus Student 2,339 Points
2 Answers
PLUS

Enyang Mercy
Courses Plus Student 2,339 Points
Help!!! Modify the addContactMethod to store info in mContactMethods

Posted February 9, 2018 11:30am by Enyang Mercy

Enyang Mercy
Courses Plus Student 2,339 Points
1 Answer
PLUS

Enyang Mercy
Courses Plus Student 2,339 Points
Building Model modify the addContactMethod Not sure of what is needed here

Posted February 8, 2018 2:37pm by Enyang Mercy

Enyang Mercy
Courses Plus Student 2,339 Points
3 Answers
Todd Anderson
4,260 Points
I'm not sure how to solve task 3. I have tried everything I could think of and re-watched the video several times. :/

Posted December 5, 2017 4:35am by Todd Anderson

Todd Anderson
4,260 Points
2 Answers
kristoffer tølbøll
1,337 Points
I really did not understand why the answer for the last question is return mContactMethods.get(methodName);

Posted November 9, 2017 10:41pm by kristoffer tølbøll

kristoffer tølbøll
1,337 Points
1 Answer
annapoff
13,552 Points
I'm stuck!

Posted November 6, 2017 11:54pm by annapoff

annapoff
13,552 Points
2 Answers
annapoff
13,552 Points
Compiler errors driving me nuts!! please help!

Posted November 5, 2017 1:30am by annapoff

annapoff
13,552 Points
1 Answer
Iheke Iheke-agu
Full Stack JavaScript Techdegree Student 2,307 Points
This challenge is so not clear. What do you mean get contact method? I dont get what we are trying to do.

Posted October 16, 2017 5:13pm by Iheke Iheke-agu

Iheke Iheke-agu
Full Stack JavaScript Techdegree Student 2,307 Points
1 Answer
PLUS

Aditya verma
Courses Plus Student 664 Points
Unable to find the answer please help

Posted September 12, 2017 8:48pm by Aditya verma

Aditya verma
Courses Plus Student 664 Points
1 Answer
PLUS

Aditya verma
Courses Plus Student 664 Points
Did not get this part of the code

Posted September 12, 2017 8:48am by Aditya verma

Aditya verma
Courses Plus Student 664 Points
1 Answer
isaac schwartzman
963 Points
Bummer! Expected [pager, phone] from getAvailableContactMethods, but got [(555) 555-5555, (222) 222-2222].

Posted August 16, 2017 4:18pm by isaac schwartzman

isaac schwartzman
963 Points
0 Answers
PLUS

Steven Morimoto
Courses Plus Student 1,836 Points
Help on Challenge Task 3

Posted August 1, 2017 7:04pm by Steven Morimoto

Steven Morimoto
Courses Plus Student 1,836 Points
0 Answers
Abua KC
5,932 Points
public String getContactInfo(String methodName)

Posted June 12, 2017 8:50am by Abua KC

Abua KC
5,932 Points
2 Answers
Vladut Astalos
11,246 Points
Get Available Contact Methods

Posted June 7, 2017 1:21pm by Vladut Astalos

Vladut Astalos
11,246 Points
1 Answer
Samuel Essim
Front End Web Development Techdegree Student 15,963 Points
challenge 1

Posted May 16, 2017 3:29am by Samuel Essim

Samuel Essim
Front End Web Development Techdegree Student 15,963 Points
0 Answers
Atul Varma
4,285 Points
Error: Cannot find symbol..??

Posted April 10, 2017 2:47pm by Atul Varma

Atul Varma
4,285 Points
3 Answers
Javier MARQUEZ
11,877 Points
Thanks for your help on the 3rd stage of this challenge.

Posted October 31, 2016 6:23pm by Javier MARQUEZ

Javier MARQUEZ
11,877 Points
2 Answers

Prev Page 1 of 3 Next

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