Treehouse | Community | Validating and Normalizing User Input

💫 Take our 2024 Developer Survey and enter to win a FREE Techdegree! 🏆

Join our Live Career-Building Workshop: How to Master the Job Hunt! ⭐ Register here!

🏛️ Access Treehouse at your local library for free! Check out Treehouse Near Me.

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

Curious which AI tools Treehouse developers love? ⚙️ Check them out!

Join our free community Discord server here!

Newest
- Newest
- Active
- Unanswered
- Featured
All Topics

gene c
13,630 Points
Is the do..while loop even necessary?

Posted January 4, 2020 4:29pm by gene c

gene c
13,630 Points
1 Answer
Freshta Moheby
5,659 Points
I want to add mp4 videos instead of images.

Posted January 3, 2020 7:12pm by Freshta Moheby

Freshta Moheby
5,659 Points
0 Answers
pranshu sharma
52 Points
Check the spelling of your argument to the printf method. Make sure it is printing out what the instructions are asking

Posted January 3, 2020 10:52am by pranshu sharma

pranshu sharma
52 Points
1 Answer
pranshu sharma
52 Points
console.printf(firstName);

Posted January 3, 2020 10:30am by pranshu sharma

pranshu sharma
52 Points
1 Answer
Xander Sheppard
3,516 Points
Bummer: java.lang.IllegalArgumentException: ParseException: com.github.javaparser.ParseException: Encountered " "(" "( "

Posted January 3, 2020 1:18am by Xander Sheppard

Xander Sheppard
3,516 Points
1 Answer
Chase Anzalone
3,009 Points
program displays actual string instead of dashes

Posted January 2, 2020 10:58pm by Chase Anzalone

Chase Anzalone
3,009 Points
1 Answer
Durim Fetahaj
5,946 Points
For loop

Posted January 2, 2020 1:11pm by Durim Fetahaj

Durim Fetahaj
5,946 Points
1 Answer
Chris Sabo
3,970 Points
[Feedback] The entire Inheritance Java course by Ben needs redone.

Posted December 31, 2019 8:20pm by Chris Sabo

Chris Sabo
3,970 Points
- Java
0 Answers
Tevž Ivanjko
1,774 Points
When i try to run Hangman in java i get an error: Could not find or load main class Hangman. Anyone know the solution?

Posted December 28, 2019 10:40pm by Tevž Ivanjko

Tevž Ivanjko
1,774 Points
1 Answer
Durim Fetahaj
5,946 Points
Scrabble player "hasTile" method

Posted December 28, 2019 7:46pm by Durim Fetahaj

Durim Fetahaj
5,946 Points
0 Answers
PLUS

Sandy Woods, Jr
Courses Plus Student 2,834 Points
Method Overloading in Java

Posted December 28, 2019 2:06pm by Sandy Woods, Jr

Sandy Woods, Jr
Courses Plus Student 2,834 Points
2 Answers
vrijesh patel
1,985 Points
how to fix this?

Posted December 26, 2019 9:50pm by vrijesh patel

vrijesh patel
1,985 Points
- Java
1 Answer
Hassan Tijani
874 Points
I solved this using an if else statement, it prompts my approach is correct but expects a different approach.

Posted December 23, 2019 4:04am by Hassan Tijani

Hassan Tijani
874 Points
1 Answer
goly gosh
549 Points
indexOf

Posted December 21, 2019 3:40pm by goly gosh

goly gosh
549 Points
1 Answer
Hassan Tijani
874 Points
I have a lot of errors in my compiler :(

Posted December 20, 2019 9:47am by Hassan Tijani

Hassan Tijani
874 Points
1 Answer
Marko Leevancic
37 Points
println vs printf

Posted December 20, 2019 12:16am by Marko Leevancic

Marko Leevancic
37 Points
1 Answer
Brandi Apetsi
4,810 Points
Why didn't we use "this"?

Posted December 19, 2019 8:50pm by Brandi Apetsi

Brandi Apetsi
4,810 Points
- Java
1 Answer
Hassan Tijani
874 Points
Could not find or load main class TreeStory.java

Posted December 17, 2019 8:44am by Hassan Tijani

Hassan Tijani
874 Points
1 Answer
Ed Pham
3,102 Points
Hibernate.initialize() ClassCastException

Posted December 16, 2019 11:50pm by Ed Pham

Ed Pham
3,102 Points
0 Answers
Dearce Goodman
2,331 Points
Trouble getting the name lines to work

Posted December 16, 2019 6:59pm by Dearce Goodman

Dearce Goodman
2,331 Points
1 Answer
Michał Matusiak
577 Points
Hello, My queston is- How Craig run his program in console without writing whole sentence "clear && javac ...."

Posted December 15, 2019 8:00pm by Michał Matusiak

Michał Matusiak
577 Points
- Java
1 Answer
Alastair Herd
2,306 Points
How do I import the files from GitHub?

Posted December 13, 2019 11:31am by Alastair Herd

Alastair Herd
2,306 Points
0 Answers
Alastair Herd
2,306 Points
I don't see how it's connected?

Posted December 10, 2019 10:29pm by Alastair Herd

Alastair Herd
2,306 Points
0 Answers
Alastair Herd
2,306 Points
Can't click on categories.

Posted December 10, 2019 8:26pm by Alastair Herd

Alastair Herd
2,306 Points
3 Answers
Alastair Herd
2,306 Points
Which line is the problem?

Posted December 10, 2019 8:15pm by Alastair Herd

Alastair Herd
2,306 Points
1 Answer
YZ L
6,184 Points
unenchanced for loop

Posted December 10, 2019 12:50pm by YZ L

YZ L
6,184 Points
1 Answer
goly gosh
549 Points
%s

Posted December 10, 2019 6:32am by goly gosh

goly gosh
549 Points
1 Answer
Kian Bianco
2,317 Points
Won't run after following along in video.

Posted December 8, 2019 11:53pm by Kian Bianco

Kian Bianco
2,317 Points
1 Answer
goly gosh
549 Points
call

Posted December 7, 2019 11:32pm by goly gosh

goly gosh
549 Points
1 Answer
Quinn Alexander
401 Points
getting "Are you sure you called `console.printf` in the code block within your if statement body?" and not printing

Posted December 7, 2019 8:25pm by Quinn Alexander

Quinn Alexander
401 Points
1 Answer

Prev Page 34 of 2047 Next

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