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
All quests
All levels
Any status
Questions about tasks
Hot
Mikayla Pace
Level 27
Salt Lake City
Question about the task
Deep cloning of a map
Java Multithreading
,
Level 1
,
Lesson 8
Resolved
Confused on what to clone
Not sure why it is telling me to create a new object and not to return the current one, haven't I done that here?
16.01.2020
1113
views
2
comments
0
Etienne Bélanger
Level 34
Longueuil
Question about the task
ReentrantReadWriteLock
Java Multithreading
,
Level 8
,
Lesson 10
Under discussion
Initialisation seems fine to me, can't figure out why the compiler doesn't like that.
I tried at the initialization and also tried in the constructor without success public ReadWriteMap(LinkedHashMap map) { this.map = map; readLock = lock.readLock(); writeLock = lock.writeLock(); }
20.04.2020
1036
views
2
comments
0
Kamal Khastagir
Level 11
kolkata
Question about the task
Min and max in arrays
Java Syntax
,
Level 7
,
Lesson 12
Under discussion
please someone tell me what's wrong with my code
i can't figure out why it doesn't fulfill the third condition :/
29.07.2020
521
views
2
comments
0
Niladri pradhan
Level 33
Mumbai
Question about the task
2048 (part 12)
Java Multithreading
,
Level 10
,
Lesson 15
Under discussion
whats wrong
help please
26.01.2020
799
views
1
comment
0
Brad Reed
Level 19
Hartford
Question about the task
Following a pattern
Java Core
,
Level 6
,
Lesson 13
Resolved
100% thought I had this...
So close....I get the proper output, but I have not fixed the runttime (apparently). I did fix the infinite loop I had it in (oops). I have the countupIndex at 6 because It stops displaying at 4 if I set it to 5. I have a feeling that this is the line that I may have messed up but I'm not seeing the
30.07.2020
352
views
1
comment
0
Chris
Level 19
Newark
Question about the task
Closest to 10
Java Syntax
,
Level 4
,
Lesson 4
Under discussion
I get the write result but it fails verification.
I get the write result when I run it in intellij but when I go to submit it for whatever reason its telling me I am incorrect. Please help.
30.07.2020
446
views
1
comment
0
Maciej Kowalik
Level 23
Sławno
Question about the task
Following a pattern
Java Core
,
Level 6
,
Lesson 13
Resolved
Why this not run 5 times?
What is wrong in my code?
20.05.2019
1605
views
4
comments
0
Seferi
Level 22
Question about the task
Number of letters
Java Syntax
,
Level 10
,
Lesson 11
Resolved
Help please..
Where am I doing wrong?
26.07.2020
458
views
2
comments
0
Brad Reed
Level 19
Hartford
Question about the task
Countdown at the races
Java Core
,
Level 6
,
Lesson 10
Resolved
That's it...I give up
Iv'e tried so many different things and I cannot pass everything at once. I change things and pass what's not here, but something else fails. I'm loosing my mind here, please help.
30.07.2020
392
views
6
comments
0
Denis
Level 22
Kharkiv
Question about the task
ApplicationContext
Java Core
,
Level 7
,
Lesson 10
Under discussion
Help me pls
Give me a code for my full understanding
28.06.2019
1339
views
1
comment
0
Andrei
Level 26
Liverpool
Question about the task
CRUD 2
Java Core
,
Level 7
,
Lesson 10
Resolved
Cant find where is mistakes.
failing condition 3, 4, 5, 6. if anyone can help.
29.05.2020
501
views
2
comments
0
Andrei
Level 26
Liverpool
Question about the task
Longest sequence
Java Syntax
,
Level 8
,
Lesson 6
Resolved
last condition fails. help me llease to understand.
public class Solution {
12.02.2020
975
views
1
comment
0
Andrei
Level 26
Liverpool
Question about the task
Functionality is not enough!
Java Syntax
,
Level 10
,
Lesson 11
Resolved
output order is wrong
9 String9 8 String8 7 String7 10 String10 6 String6 ... ... how it is possible to fix? LinkedHashMap makes correct output order. but task wants HasMap to be displayed which is always mixed.
24.02.2020
896
views
3
comments
0
Jeff Jeffy
Level 15
Irvine
Question about the task
From 10 to 1
Java Syntax
,
Level 4
,
Lesson 10
Resolved
What kind of stupid bug is this...
It's clearly not working - I'M NOT READING NUMBERS!!!
19.03.2019
1257
views
4
comments
1
Catherine
Level 23
London
Question about the task
Clew
Java Core
,
Level 6
,
Lesson 13
Under discussion
the validator says I have an infinite loop in my code, but I can't find it.
Can some please help out with fresh eyes?
30.07.2020
413
views
1
comment
0
Andrew
Level 29
Seattle
Question about the task
Rounding numbers
Java Core
,
Level 8
,
Lesson 11
Resolved
I'm getting the correct output per the example, what am I doing wrong?
I'm sure there is a better way of doing this conversion. Any suggestions?
20.02.2019
1847
views
9
comments
3
Onome Brownly-Otiede
Level 9
Galway
Question about the task
Number of days in the year
Java Syntax
,
Level 4
,
Lesson 4
Under discussion
im not getting anywhere
pls help
16.06.2020
695
views
2
comments
0
Mnemonic
Level 9
london
Question about the task
Number of days in the year
Java Syntax
,
Level 4
,
Lesson 4
Resolved
Can anyone tell me what's wrong with my code ?
Can't seem to understand what I'm doing wrong. Thanks !
30.07.2020
463
views
2
comments
0
Mysnikol Miller
Level 7
Lutsen
Question about the task
Initializing cats
Java Syntax
,
Level 5
,
Lesson 7
Resolved
Out of options
It feels like I have tried everything to satisfy conditions and nothing seems to work. Please advise. Thank you.
30.07.2020
395
views
5
comments
0
Radosław Dziura
Level 16
Question about the task
All that moves
Java Core
,
Level 3
,
Lesson 2
Resolved
Any Idea what's wrong with this request?
Any Idea what's wrong with this request?
10.04.2020
1168
views
2
comments
1
Profj
Level 20
Lagos
Question about the task
Four mistakes
Java Core
,
Level 3
,
Lesson 2
Resolved
Please help me out
How can i resolve "non-static variable HOBBY cannot be referenced from a static context"
18.06.2019
2370
views
8
comments
1
Denis
Level 22
Kharkiv
Question about the task
Singleton
Java Core
,
Level 4
,
Lesson 8
Under discussion
give me the solution pls
help with this
25.06.2019
1507
views
4
comments
0
Sanjeevkumar
Level 22
Mumbai
Question about the task
The early bird gets the worm
Java Core
,
Level 6
,
Lesson 13
Under discussion
How '[ ]' this bracket prints in output?
it may silly one but i really dont get this,because in inputs only numerical values are there and i add them to my list then how it is possible to print those brackets in output????????
23.07.2020
708
views
2
comments
0
Rebekah H
Level 8
Gothenburg
Question about the task
Expressing ourselves more concisely
Java Syntax
,
Level 7
,
Lesson 6
Archived
is there a better way?
This seems to work, but it also seems quite clumsy running line 23 and 24 over and over again? Is there a better way of doing this?
30.07.2020
507
views
1
comment
0
Sanjeevkumar
Level 22
Mumbai
Question about the task
Consecutive threads
Java Core
,
Level 6
,
Lesson 13
Resolved
Solved but you need to clear my vision.lol.
Actually i solved it.But here my question is where did countdownIndex is decreased by 1 value for each cycle.Actually theres the if condition for countdownIndex that works only if countdownIndex is zero otherwise it will be same value or in that condition only it always decreases its value.pls clear
22.07.2020
472
views
2
comments
0
andy 6473
Level 9
Bangalore
Question about the task
We don't need repeats
Java Syntax
,
Level 8
,
Lesson 8
Resolved
I am unable to determine which conditions are not met.
I am unable to determine which conditions are not met. i have attached an image for reference . kindly look in to the matter
28.07.2020
526
views
2
comments
0
Seggzzy
Level 5
Lagos
Question about the task
Jen or Jen?
Java Syntax
,
Level 4
,
Lesson 6
Resolved
why compiler error: ";" expected on line 19 pls
why?? ";" expected on line 19 pls
30.07.2020
463
views
2
comments
0
Rebekah H
Level 8
Gothenburg
Question about the task
Shortest or longest
Java Syntax
,
Level 7
,
Lesson 6
Under discussion
Did I make this code too complex?
Any ideas what I way I should have done it instead?
30.07.2020
524
views
1
comment
0
Andrei Stratu
Level 18
Iasi
Question about the task
Countdown at the races
Java Core
,
Level 6
,
Lesson 10
Resolved
Any idea why it wont verify?
The output is okay but the task is not validated.
18.07.2020
551
views
4
comments
0
jorge ives murillo paredes
Level 40
New York City
Question about the task
Chat (part 6)
Java Multithreading
,
Level 6
,
Lesson 15
Under discussion
What is wrong?
need help ,what is wrong whit my code
10.04.2020
1087
views
4
comments
0
Show more
1
...
157
158
159
160
161
...
371
Please enable JavaScript to continue using this application.