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Questions about tasks
Hot
Bartuswislak
Level 16
Cracow
Under discussion
Bug in polish version - task date 09 lvl 11 lesson
package pl.codegym.task.task09.task0922; import java.io.BufferedReader; import java.io.InputStreamReader; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; /* Jaka dzisiaj jest data? */ public class Solution { public static void main(String[] args) throws Exc
22.01.2020
775
views
1
comment
0
4dy
Level 3
Regensburg
Under discussion
Warum kann ich unter Level 1 noch keine (String)Listen erstellen und diese dann mit einer Schleife durchlaufen?
Die automatische Code-Vervollständigung findet keine Funktion wie z.B. length() oder add(). Woran liegt das?
23.01.2020
706
views
1
comment
0
krystian
Level 9
Kozle
Question about the task
Flip the array
Java Syntax
,
Level 7
,
Lesson 4
Under discussion
Any hints here?
public class Solution { public static void main(String[] args) throws Exception { Sca
21.01.2020
740
views
2
comments
0
Tonatiuh
Level 12
Mexico
Question about the task
Snake (Part 14/20)
Games
,
Level 0
,
Lesson 1
Resolved
Help please. I can't pass the last condition, whats wrong?
Hi. I can't pass the last condition. I've tried many different ideas but don't undersand whats wrong with the move(Apple) method or the checkCollision(GameObject) method in the Snake class. Could somebody help me please? public void move(Apple apple){ GameObject head = createNewHead();
17.01.2020
1358
views
6
comments
1
arun et
Level 11
Chennai
Question about the task
Working with dates
Java Syntax
,
Level 8
,
Lesson 11
Under discussion
I get the Result exactly right, but its not passing all the requirements....
This code works fine, but not passing the Requirements why???
22.01.2020
697
views
1
comment
0
null
Level 26
Orlando
Question about the task
Longest sequence
Java Syntax
,
Level 8
,
Lesson 6
Resolved
I have out of bound issue. still trying to figure out how to fix. please help
16.01.2020
915
views
3
comments
0
Lex Medeiros
Level 18
San Jose
Question about the task
Reversing a file
Java Core
,
Level 8
,
Lesson 5
Under discussion
Using Collections to Reverse the Byte[] Order
Hi, I am using collections to reverse the order but it does not seem to work. Could you tell me what I am doing wrong. Thanks, Alex
05.08.2019
1536
views
1
comment
1
Alban
Level 14
Kukes
Question about the task
Plan to conquer the world
Java Syntax
,
Level 3
,
Lesson 8
Under discussion
What is wrong please help?
helpp!!
22.01.2020
750
views
1
comment
0
Andrew
Level 8
Quincy
Question about the task
Drawing a rectangle
Java Syntax
,
Level 4
,
Lesson 13
Under discussion
Why is this code not working? It seems to make sense in my head but I'm not sure why it's throwing out incorrect result
asdf
22.01.2020
667
views
1
comment
0
Nicholas Grube
Level 41
Carrollton, TX
Question about the task
Reading and writing to a file: CodeGym
Java Core
,
Level 10
,
Lesson 2
Resolved
Where Is The Exception?
The validation says I need to check the exceptions in the save/load methods, but I don't see any? Can anyone help me figure out where the exceptions are coming from?
22.01.2020
1190
views
2
comments
0
Vaibhavi
Level 5
Vijayawada
Question about the task
Triangle of eights
Java Syntax
,
Level 4
,
Lesson 13
Resolved
please help..!!
height problem not 10 lines it say
13.12.2019
1089
views
5
comments
1
Carlos Cortázar
Level 17
Madrid
Question about the task
GCD
Java Core
,
Level 4
,
Lesson 8
Under discussion
It works fine, but verification
It works but does not pass the check for "there seems to be an infinite loop"
21.01.2020
759
views
4
comments
0
Marta
Level 19
Gdansk
Question about the task
Building a file
Java Core
,
Level 8
,
Lesson 11
Resolved
It seems ok but it's not...
It's probably some stupid little think but i don't see it. Please help...
21.01.2020
798
views
3
comments
0
Nicolas Huet
Level 41
Provins
Question about the task
Build a WHERE query
Java Multithreading
,
Level 2
,
Lesson 9
Under discussion
Hello, after some testing, it seems to match the conditions but it doesn't validate
I surely miss something but when I test it out with a map I create it seems to work correctly. Any ideas?
09.08.2019
1174
views
4
comments
0
krystian
Level 9
Kozle
Question about the task
Ascending numbers
Java Syntax
,
Level 6
,
Lesson 11
Under discussion
Any hints?
public class Solution { public static void main(String[] args) throws Exception {
20.01.2020
1301
views
2
comments
0
Mikayla Pace
Level 27
Salt Lake City
Question about the task
Inverted words
Java Multithreading
,
Level 2
,
Lesson 9
Resolved
Why isn't it adding a to the result list?
The loop isn't adding a to the result list, not sure why.
21.01.2020
1003
views
2
comments
0
Radek
Level 22
Warsaw
Question about the task
ABCs
Java Core
,
Level 8
,
Lesson 11
Resolved
How to pass the validation
Im counting using Character.isAlphabetic with the same negative rasult as for Character.isLetter method. I have tested the solution. it counts only letters and results are ok. Why in cannot pass the validation? import java.io.FileInputStream; public class Solution { public static void main(Str
15.11.2018
1461
views
4
comments
0
Yana
Level 13
Lviv
Question about the task
Shortest or longest
Java Syntax
,
Level 7
,
Lesson 6
Resolved
What's wrong with it?
Output seems to be correct. Help please/
20.01.2020
770
views
2
comments
0
Raj Mishra
Level 14
India
Question about the task
Remove and insert
Java Syntax
,
Level 7
,
Lesson 6
Under discussion
Could not detect the error. Pls help
I am unable to find the error . Could any one please help ?
16.01.2020
575
views
3
comments
0
Pedro Antonio Mendéz Gutiérrez
Level 6
Crown Point
Question about the task
Task about algorithms
Java Syntax
,
Level 5
,
Lesson 12
Resolved
Cannot figure out this question?
It is failing at the last two requirements. At this point I have tried 50 variations of the code so I am getting lost further. Please help.
21.01.2020
839
views
1
comment
0
leithris
Level 14
Poznań
Question about the task
HashSet of plants
Java Syntax
,
Level 8
,
Lesson 3
Under discussion
failing to add 10 Strings
hey people I need some advice. my program did not meet the third condition in this task. could you help me to solve it? thank you!
11.01.2020
940
views
3
comments
0
Anthony Chalk
Level 30
London
Question about the task
Prices
Java Core
,
Level 8
,
Lesson 11
Resolved
Please help
I changed lines 19-35 to: String productID = ""; String productName = reader.readLine(); String productPrice = reader.readLine(); String productQuantity = reader.readLine(); String product = ""; productID = getID(fileName); productName = ful
20.01.2020
830
views
17
comments
0
Adam S
Level 22
Gliwice
Question about the task
Shortest or longest
Java Syntax
,
Level 7
,
Lesson 6
Under discussion
help me pls with 3rd condition
someone pls help, the output is correct and yet it doesn't meet the requirement.
19.01.2020
817
views
2
comments
0
Joshua
Level 4
Sydney
Question about the task
Number of days in the year
Java Syntax
,
Level 4
,
Lesson 4
Under discussion
Been on the problem for a while
Hey guys can someone give me a few nudges in the right direction of what im missing with my code here.
20.01.2020
865
views
1
comment
0
Nikesh
Level 15
Delhi
Question about the task
Snake (Part 7/20)
Games
,
Level 0
,
Lesson 1
Under discussion
Last two requirements not meeting
I have created private Direction direction and setter for it but still last two requirements are not getting fulfilled. Please help.
17.01.2020
1155
views
12
comments
0
yz
Level 37
Jakarta
Question about the task
Space (part 13)
Java Collections
,
Level 3
,
Lesson 15
Resolved
where is the checkborders method ? thanks
cant find the method
19.01.2020
844
views
3
comments
0
Ákos Kovács
Level 10
Budapest
Question about the task
Maximum in an array
Java Syntax
,
Level 7
,
Lesson 4
Under discussion
The initializeArray method must create an array of 20 integers.
I got following message during validation: "The initializeArray method must create an array of 20 integers.", but I created it already.
16.01.2020
714
views
2
comments
0
Jason
Level 26
Rancho Cucamonga
Question about the task
Snake (part 8)
Java Multithreading
,
Level 2
,
Lesson 18
Resolved
how am I the only one that doesn't know how to do this?
Mentor says "The section list must be initialized in the snake class constructor" I can think of what I am supposed to do for the life of me.
19.01.2020
930
views
4
comments
0
Joshua
Level 4
Sydney
Question about the task
Number of days in the year
Java Syntax
,
Level 4
,
Lesson 4
Under discussion
"Else" without "if" ?
I have tried many implementations of a few different methods for this question... i feel like i've satisfied all the parts of the question. However the compiler is telling me in my last line of code i have an "else" without and "if"... So i cannot check the output. Can someone shed some light on wha
19.01.2020
1001
views
3
comments
0
Thomas
Level 12
Scottsdale
Question about the task
Creating a cat
Java Syntax
,
Level 5
,
Lesson 5
Under discussion
Ideas ? See error message on compile -- no luck w/ variables assigned or unassigned ....
Thanks for the ideas
02.06.2019
1389
views
4
comments
0
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