Promotion
CodeGym University
Learning
Courses
Tasks
Surveys & Quizzes
Games
Help
Schedule
Community
Users
Forum
Chat
Articles
Success stories
Activity
Reviews
Subscriptions
Light theme
Help with tasks
Reviews
About us
Start
Start learning
Start learning now
All questions
Ask a question
Java 25
All quests
All levels
Any status
Questions about tasks
Hot
Ashish RajAnand
Level 13
Bhilai
Question about the task
Moon Lander (Part 19/23)
Games
,
Level 0
,
Lesson 4
Resolved
please help
how to implement draw method
3/16/20
1195
views
6
comments
0
Anton Yavorskyi
Level 5
Kiev
Question about the task
Three numbers
Java Syntax
,
Level 4
,
Lesson 6
Resolved
People, please help me!
Couldn't pass this condition: "The program should display the ordinal number of the number that is different from the others" For me it looks good, part of my code: if (numb1 == numb2 && numb1 != numb3) System.out.println("3"); else if (numb1 == numb3 &&
3/19/20
1485
views
2
comments
0
Anton Yavorskyi
Level 5
Kiev
Question about the task
Multiplication table
Java Syntax
,
Level 4
,
Lesson 10
Resolved
Please people explain me why, if I initialize int j = 1; outside of loop Output is just one line: 1 2 3 4 5 6 7 8 9 10 ? Thanks!
public class Solution { public static void main(String[] args) throws Exception { int i = 1; //int j = 1; Output just one line: 1 2 3 4 5 6 7 8 9 10 while (i < 11) { //int j = 1; while (j < 11) {
3/23/20
1300
views
2
comments
0
Montjoie
Level 22
Cologne
Question about the task
Prices 2
Java Core
,
Level 8
,
Lesson 11
Under discussion
It says "The item with the updated data should be on the same line in the file." But it is, isn't it?
Hello everybody. I don't catch this situtation. My code isn't verified because of the third condition and the recommendation is "The item with the updated data should be on the same line in the file." But my test show exactly this requirement. Can you help me pointing out my mistake? I'd be glad abo
12/1/19
1454
views
3
comments
0
Goran
Level 41
Belgrade
Question about the task
Space Invaders (Part 34/34)
Games
,
Level 0
,
Lesson 6
Resolved
Why animation disappeared ?
I did everything by instructions but my animation disappeared on player ship and enemy ship. But don't know why ? And before end of task it was working, but something in last steps made it stop working :/
3/28/20
955
views
1
comment
0
Diana Salvador
Level 26
Sintra
Question about the task
Prices
Java Core
,
Level 8
,
Lesson 11
Under discussion
Please help!
The output seems to be correct...I'm going crazy! Thanks!
2/11/20
1058
views
1
comment
0
Rismitha Ismail
Level 2
Mumbai
Question about the task
Where does a Person come from?
Java Syntax
,
Level 2
,
Lesson 2
Under discussion
identifier
I got an error says that identifier is missing..can anyone please say this for me?
3/23/20
1064
views
2
comments
0
Alison
Level 9
Madison
Question about the task
Working with dates
Java Syntax
,
Level 8
,
Lesson 11
Resolved
Help \(T-T)/
xD Help
7/13/19
2185
views
2
comments
0
Ryan
Level 14
Ashburn
Question about the task
One large array and two small ones
Java Syntax
,
Level 7
,
Lesson 4
Under discussion
Created 2 arrays of 10 but still failed
I'm not sure what I did here because when I print both of the smaller arrays I get "two small arrays of 10 numbers each". I'm also not sure how it is possible to meet 1, 2, & 4, and still not meet 3.
2/15/19
1725
views
7
comments
0
Ted404
Level 11
Dubai
Question about the task
Checking the order
Java Syntax
,
Level 7
,
Lesson 9
Resolved
Why it is not passing the last condition?
I belive I miss smth in my code but cannt figure out what. Please help.
3/19/20
1143
views
4
comments
0
Michał Pietrus
Level 33
Krakow
Question about the task
Rounding numbers
Java Core
,
Level 8
,
Lesson 11
Under discussion
Help
Why it doesnt work ? :c
3/27/20
1123
views
2
comments
0
Liliane Top
Level 17
Amsterdam
Question about the task
Currencies
Java Core
,
Level 4
,
Lesson 8
Resolved
Very confused!
I have a couple questions: 1) I do not understand the part on how to populate the Arraylist. I do understand that we can't create instances of Money but what are we adding to this lis? 2) what is happening here? "Person paul = new Person("Paul"); for (Money money : paul.getAllMoney()) " Thanks fo
3/27/20
1487
views
4
comments
0
Thebe
Level 7
Benares
Question about the task
Static cats
Java Syntax
,
Level 6
,
Lesson 11
Archived
Static Cats
What's wrong with this?
2/7/19
3140
views
7
comments
2
Ivan
Level 22
Nope
Question about the task
Words with numbers
Java Core
,
Level 9
,
Lesson 11
Resolved
Testing with files works perfectly, can't pass validation :(
Can someone help out? I've tested with multiple files and it works, but validation won't allow me. Where is my mistake? EDIT: Forgot to mention that I tried without line 37 for new line printing. Everything was on one line.
3/26/20
1637
views
6
comments
0
Larisa Alexa
Level 20
Iasi
Question about the task
To the top of the list
Java Syntax
,
Level 7
,
Lesson 6
Resolved
My code will execute without waiting for my keyboard input. Any idea why?
Please check my code and advise. It currently executes and imediatly displays: "Process finished with exit code 0" without waiting for my input
3/27/20
1093
views
3
comments
0
Raj Mishra
Level 2
India
Question about the task
In decreasing order
Java Syntax
,
Level 7
,
Lesson 12
Under discussion
What is the problem in my code?
My code displays the numbers of passed array in decreasing order,. Still the final validation is failing. Whats the cause of fail ?
3/27/20
1217
views
1
comment
0
Anthony Chalk
Level 30
London
Question about the task
Minesweeper (Part 14/16)
Games
,
Level 0
,
Lesson 0
Resolved
Please help
Line 86/87 is what's relevant to this particular task. I've tried setScore(score + 5) score += 5; setScore(5); score += 5; setScore(score + 5); no idea what to do
3/27/20
1432
views
1
comment
0
KARAN BHOITE
Level 15
Nagpur
Question about the task
OOP: Fix inheritance problems
Java Core
,
Level 5
,
Lesson 2
Under discussion
plzzz help
seriously what is goin on i didn't get this
3/27/20
1010
views
1
comment
0
Raj Mishra
Level 2
India
Question about the task
Cat code won't compile
Java Syntax
,
Level 7
,
Lesson 12
Under discussion
Whats wrong in my code?
I am getting correct results. Still my all validations are failing except the first one. I have coded according to the specified rules. But still why the validations are failing?
3/27/20
979
views
1
comment
0
Sanjay Chauhan
Level 28
Delhi
Question about the task
Clew
Java Core
,
Level 6
,
Lesson 13
Under discussion
task4 is getting failed.
Dears, Will it be possible to have a look at my solution to check why task4 is getting failed? I can see lot of people are facing the same issue. I have already tried to implement others solutions but still it's not verifying. Thanks in advance for your feedback and support. Have a nice day. Reg
3/12/20
1041
views
1
comment
0
sabrine RA
Level 12
Paris
Question about the task
To the top of the list
Java Syntax
,
Level 7
,
Lesson 6
Under discussion
Can someone help me to understand what the problem plz?
?
3/26/20
1332
views
3
comments
0
Picvajzmen
Level 20
Belgrade
Question about the task
MovieFactory
Java Core
,
Level 4
,
Lesson 8
Under discussion
I realy dont get it...
For each string entered (including the invalid string), you must call the MovieFactory.getMovie method. recomendations from your mentor ; Be sure that the getMovie method is not called more than necessary.
7/15/19
1883
views
9
comments
0
Anthony Mack
Level 2
Waukesha
Question about the task
Changing functionality
Java Syntax
,
Level 7
,
Lesson 12
Under discussion
Null Pointer Exception
Why am I continuing to get a NullPointerException? I've tried s.equals(""), s == null, s.length() == 0, !s.equals(""), !s.equals(null) and no matter what, I've continued to receive the NPE error message. Why?
1/10/20
1563
views
5
comments
0
dD
Level 17
Novi Sad
Question about the task
We don't need repeats
Java Syntax
,
Level 8
,
Lesson 8
Under discussion
I need little help
I tried to debug program and it shows ConcurrentModificationException. I found out that error is in lanes 31-33 cause its tries to iterate and delete items at the same time. So i just wanted to ask why my foreach loop doesnt work? It should be working the same way as if i created iterator the long w
1/25/19
2072
views
4
comments
0
David
Level 26
Bucharest
Question about the task
Make a family
Java Syntax
,
Level 8
,
Lesson 11
Under discussion
Help
Ok, I got the output but I still cant pass the first and last conditions, can anyoe explain me what is going on?
3/26/20
2035
views
3
comments
0
FantasticFlo
Level 20
Munich
Question about the task
Symbol frequency
Java Core
,
Level 8
,
Lesson 11
Under discussion
Doesn't work, but why?
Is there any problem with the for loop?
3/21/20
1310
views
1
comment
0
Denis
Level 22
Kharkiv
Question about the task
Rounding numbers
Java Core
,
Level 8
,
Lesson 11
Under discussion
Help me pls
What i must change?
6/29/19
1433
views
3
comments
0
Liliane Top
Level 17
Amsterdam
Question about the task
Sorting even numbers from a file
Java Core
,
Level 3
,
Lesson 11
Resolved
I tried many things...
I either get too many lines or otherwise too few lines. How can I check the output? I can only work in Intellij with these task and not in the CodeGym enviroment. So how can I see what is going wrong?
3/26/20
1715
views
18
comments
0
Art
Level 13
Chisinau
Question about the task
Number of letters
Java Syntax
,
Level 10
,
Lesson 11
Under discussion
Can't understand the task
Do I have to count for how many times a string has the specific char?
3/24/20
1147
views
1
comment
0
Kamil
Level 31
Near Warsaw
Question about the task
Space (part 14)
Java Collections
,
Level 3
,
Lesson 15
Resolved
Failing fifth requirement
I do not know what's wrong. Says under the middle of the object so I did it, Y scale relates to the height so decreasing it by 1 should do the job? Do not why it's not? And dont pay attention to the way I dicreased X I was just trying out everything
2/17/20
1327
views
2
comments
0
Show more
1
...
220
221
222
223
224
...
374
Please enable JavaScript to continue using this application.