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Questions about tasks
Hot
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
25.01.2019
1838
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?
26.03.2020
1666
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?
21.03.2020
1092
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?
29.06.2019
1247
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?
26.03.2020
1478
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?
24.03.2020
962
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
17.02.2020
1125
views
2
comments
0
Jorge Sosa
Level 20
Madrid
Question about the task
Janitorial services
Java Core
,
Level 4
,
Lesson 8
Resolved
Correct output, but not verifying
I run through each Apartment in the list with a for loop, calling the appropriate object method for each case. I think it works as asked, but it doesn´t verify.
17.06.2019
1414
views
2
comments
1
Liliane Top
Level 17
Amsterdam
Question about the task
Chicken factory
Java Core
,
Level 4
,
Lesson 6
Resolved
How to print the proper output?
I'm trying to check where my code goes wrong by printing the output to the console. However the only output I get is the reference. Can someone please explain how I can check the proper String output?
25.03.2020
869
views
2
comments
0
Satya Vath
Level 31
Vijayawada
Question about the task
HTML Editor (part 2)
Java Multithreading
,
Level 8
,
Lesson 15
Resolved
Help
Everything is right
25.03.2020
925
views
2
comments
0
Denis
Level 22
Kharkiv
Question about the task
join: at the right time in the right place
Java Core
,
Level 6
,
Lesson 5
Under discussion
What i can do this?
help pls
27.06.2019
1092
views
3
comments
0
John
Level 27
Washington DC
Question about the task
Your own enum
Java Multithreading
,
Level 5
,
Lesson 2
Under discussion
Not sure what the problem is - the output looks correct.
please help
05.02.2020
1433
views
1
comment
0
Cory Keller
Level 4
Sankt Johannisberg
Question about the task
Crossing the road blindly
Java Syntax
,
Level 4
,
Lesson 4
Under discussion
SO I used the modulo....
Switched to the modulo but the system won't verify the yellow. Any ideas why? When I put numbers to get yellow it shows yellow.
22.02.2020
1203
views
1
comment
0
Adam S
Level 22
Gliwice
Question about the task
Flip the array
Java Syntax
,
Level 7
,
Lesson 4
Resolved
please help me fellow programmers :)
a little hit pls.
09.01.2020
1380
views
5
comments
0
Art
Level 13
Chisinau
Question about the task
Functionality is not enough!
Java Syntax
,
Level 10
,
Lesson 11
Under discussion
Work perfectly on Intelij, but fails on here - as usually.
Please help me find that little mistake lol
24.03.2020
819
views
5
comments
0
Wojtek
Level 23
Solec-Zdroj
Question about the task
MovieFactory
Java Core
,
Level 4
,
Lesson 8
Under discussion
What is wrong here?
need help
15.02.2019
1710
views
6
comments
1
Johannes
Level 27
Centurion, Pretoria
Question about the task
Sorting even numbers from a file
Java Core
,
Level 3
,
Lesson 11
Resolved
program only reading 1 line, then exiting my while loop ?
Please help ?
24.03.2020
969
views
6
comments
0
Jonas
Level 41
Vilnius
Question about the task
TableAdapter
Java Core
,
Level 9
,
Lesson 3
Resolved
Please help me formatting the answer, I don't get it
Please explain what should be the format of the answer and why my code is not verifying. I have tried multiple format variations but nothing works. Thanks for your help.
24.03.2020
793
views
3
comments
0
Ivaylo Trifonov
Level 25
Madrid
Question about the task
Replacing numbers
Java Core
,
Level 9
,
Lesson 11
Archived
Why the verification did not accept my solution!?
21.10.2019
1386
views
4
comments
0
Henry Yao
Level 22
Pasadena
Question about the task
Changing functionality
Java Syntax
,
Level 7
,
Lesson 12
Under discussion
throw nullpointer exception even pass the requirement , any ideas ? thanks!
ArrayList listUpperCase = new ArrayList(); for (int i = 0; i < list.size(); i++) { String s = list.get(i); int len = s.length(); if(len%2==0){ listUpperCase.add(s+" "+s); } else if((len%2!=0)){ l
24.03.2020
877
views
2
comments
0
Sanjay Chauhan
Level 28
Delhi
Question about the task
The richest
Java Core
,
Level 9
,
Lesson 11
Resolved
can you please explain the requirement more clearly
Dear CodeGymMember, Requirement is not clear to me, will it be possible to explain it more? Thank you. Have a nice day, Sanjay Chauhan
24.03.2020
1179
views
2
comments
0
priss
Level 18
Roosendaal
Question about the task
Sorting three numbers
Java Syntax
,
Level 4
,
Lesson 6
Under discussion
why my program is not being verified coz everything is fine here
import java.io.*; public class Solution { public static void main(String[] args) throws Exception { //write your code here BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); int a = Integer.parseInt(reader.readLine()); int b = Integer.
24.03.2020
792
views
1
comment
0
Paul
Level 26
Jyvaskyla
Question about the task
Minesweeper (Part 9/16)
Games
,
Level 0
,
Lesson 0
Under discussion
Final condition failed. Code works as requested
Like others, I am having trouble with the final condition. I used a different method for the recursion, making a List that adds the coordinates of all neighbours that also need to be run through openTile(x,y). Line 38 clearly makes those cells show nothing with "". I have also tried commenting out
23.03.2020
1092
views
3
comments
0
Cristian
Level 16
Bucharest
Question about the task
Remove and insert
Java Syntax
,
Level 7
,
Lesson 6
Under discussion
I have a problem with the two last requirements. Why? Thanks a lot.
package com.codegym.task.task07.task0711; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Scanner; /* Remove and insert */ public class Solution { public static void main(String[] args) throws Exception { ArrayList list =
31.10.2019
1149
views
4
comments
0
Ákos Kovács
Level 10
Budapest
Question about the task
To the top of the list
Java Syntax
,
Level 7
,
Lesson 6
Resolved
Unable to satisfy last 2 requirements
Please check my code.
16.01.2020
1153
views
1
comment
0
holybible
Level 28
Plovdiv
Question about the task
Inner 3
Java Multithreading
,
Level 3
,
Lesson 4
Resolved
How to complete this
I do not really get what the last two requirements want, It seems to me everything is okay.
25.09.2019
1214
views
2
comments
0
Raqib Gazi
Level 11
Question about the task
Longest string
Java Syntax
,
Level 7
,
Lesson 6
Archived
So i got the right answer after 45 - 50 min...
So i got the right answer after 45 - 50 minutes BUT the requirements are not being met. Would anyone please review why this may be the case?
24.03.2020
869
views
2
comments
2
max
Level 8
livorno
Question about the task
Playing Javarella
Java Syntax
,
Level 7
,
Lesson 9
Resolved
help i don't understand
ciao to all, when i'm trying to test my code i received following error message: ILLEGAL START OF EXPRESSION PUBLIC STATIC VOID PRINTLIST...... What's going wrong? Tnks for your help Max
23.03.2020
750
views
2
comments
0
Cam
Level 15
Bogota
Question about the task
Even numbers
Java Syntax
,
Level 4
,
Lesson 13
Under discussion
whats going on?
it gives me error on the mod symbol: expecting variable. why is that? I am running that exact code on a laptop and it runs just fine.
24.03.2020
799
views
1
comment
0
Alban
Level 14
Kukes
Question about the task
Crossing the road blindly
Java Syntax
,
Level 4
,
Lesson 4
Under discussion
Helpp please !!!!
What to do..
21.03.2020
896
views
3
comments
0
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