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Questions about tasks
Hot
Ganganagar S
Level 1
Suri
Resolved
what is the problem tell me
my answer is but not take why sir
06.09.2022
275
views
0
comments
0
Adrian F
Level 6
Landover
Question about the task
To work or not to work? That is the question
Java Syntax
,
Level 3
,
Lesson 6
Under discussion
In the requirements, what does (inclusive) mean?
If the age is in the range from 20 to 60 (inclusive), then don't display anything.
04.09.2022
541
views
2
comments
0
Ian De Bie
Level 28
Austin
Question about the task
Make a word chain
Java Multithreading
,
Level 2
,
Lesson 9
Under discussion
how do you pass the last 2 validations?
My output for "Okinawa Washington Auckland Kalamazoo Norfolk" is "Washington Norfolk Kalamazoo Okinawa Auckland"
09.11.2020
469
views
9
comments
0
Anonymous #11077147
Level 1
Under discussion
New to CodeGym - How do I unlock my task?
I am new to CodeGym, how do I get started? How do I unlock my task and move forward? Can someone help?
01.09.2022
285
views
2
comments
0
public enum WaysToDie
Level 23
Denver
Question about the task
A cubed cube calculator
Java Syntax
,
Level 7
,
Lesson 3
Resolved
I'm stumped
It seems my code performs all the requirements, but it is failing still. It says I need to use cube to implement the ninthDegree method. And I am doing that, yet it does not pass. And my code is correct it does not show but i did: public static long ninthDegree(long a) { long b = cube(a)
18.12.2021
381
views
1
comment
1
michal9696
Level 18
Poland
Question about the task
Road traffic
Java Syntax
,
Level 13
,
Lesson 7
Resolved
Error in task or my code?
Hi, here is my code. I think that I understand what mean implementations, do you see any mistake here? Thank a lot of help.
02.09.2022
282
views
2
comments
0
michal9696
Level 18
Poland
Question about the task
Minimum and maximum
Java Syntax
,
Level 13
,
Lesson 4
Under discussion
Is it error in my code or error with task?
public class MinMaxUtil { public static int min = 0; public static int max = 0; public static int min(int a, int b){ return Math.min(a, b); } public static int min(int a, int b, int c){ if (a < b && a < c) min = a; if (b < a &&
31.08.2022
286
views
2
comments
0
AlfredW
Level 23
Denver
Question about the task
AmigoOutputStream
Java Core
,
Level 8
,
Lesson 8
Under discussion
When and where was this material presented?
Ok this is now two tasks in a row where I have ended up basically copying work from other people's questions. I have had confusion in the past with tasks, but here I am literally totally lost. I have gone back over the lessons and re read. But still don't see where this was presented. I can't be the
27.09.2020
399
views
0
comments
1
krystian
Level 9
Kozle
Question about the task
Static cats
Java Syntax
,
Level 6
,
Lesson 11
Under discussion
My Array Does not work, any hints?
public class Cat { public static ArrayList<> cats = new ArrayList<>();
14.01.2020
1320
views
3
comments
0
Jurij Thmsn
Level 29
Flensburg
Question about the task
Generics for creating a proxy object
Java Collections
,
Level 2
,
Lesson 8
Resolved
No clue
I tried to solve it like this: public Object getProxy(Class item, Class...items){ return (Object) Proxy.newProxyInstance(this.getClass().getClassLoader(), items, new ItemInvocationHandler(item)); } but I am getting the wrong output. Now I had a look at the "Right Solution" and I do
27.05.2021
1109
views
8
comments
0
Mystery
Level 1
Under discussion
I Need Information For Levels and Lessons
I'm new and I just started this app today, I was just wondering, as long as you have darkmatter you can continue to new levels and lessons right? Or will you need subscription for the levels?
28.08.2022
224
views
1
comment
0
Anitamalina
Level 18
København
Question about the task
Reinforce the singleton pattern
Java Core
,
Level 5
,
Lesson 12
Under discussion
Missing 1 requirement
Can seem to figure out, what they mean by: "The readKeyFromConsoleAndInitPlanet method must correctly update the value of the variable thePlanet according to the task conditions." Anyone who can help?
25.08.2022
382
views
2
comments
0
Justin Smith
Level 41
Greenfield, USA
Question about the task
Creating a proxy object
Java Collections
,
Level 2
,
Lesson 8
Resolved
Code structure in previous lesson not working when applied here
In the previous lesson, they have the following block of code: Reader original = new UserCustomReader(); Reader reader = (Reader)Proxy.newProxyInstance(new CustomInvocationHandler(original)); In general, the structure is: InterfaceName original = new ClassThatImplementsInterface(); InterfaceName
25.08.2022
248
views
2
comments
0
raja sharma
Level 2
Jakarta
Under discussion
System.out.println("Robots are friends
System.out.println("Robots are friends
25.08.2022
245
views
1
comment
0
Anitamalina
Level 18
København
Question about the task
Request parser
Java Core
,
Level 5
,
Lesson 12
Under discussion
I can't pass some of the requirements
I don't know what is wrong. I feel like I get the right outputs.. anyone has an idea?
25.08.2022
289
views
1
comment
0
Alena
Level 6
Question about the task
Splitting an array
Java Syntax
,
Level 6
,
Lesson 8
Under discussion
Why the solution failed? I think it's correct
Could you please advise where is the problem with my solution? Result is as expected so I don't understand why it's failed. Thank you in advance. Alena
25.08.2022
366
views
1
comment
0
Justin Smith
Level 41
Greenfield, USA
Question about the task
Data integrity
Java Collections
,
Level 2
,
Lesson 6
Resolved
Having trouble getting it to work
I am admittedly flailing in the dark somewhat regarding solving this. Partly because it's not entirely clear to me what which things are supposed to be equal. The method MessageDigest.isEqual, which I am assuming I will need to use, takes two byte arrays. So I have been working with the assumption t
24.08.2022
369
views
3
comments
0
Anitamalina
Level 18
København
Question about the task
Different methods for different types
Java Core
,
Level 5
,
Lesson 12
Resolved
It seems to work, but can't pass requirements..
I don't know, what I'm doing wrong. Anyone have an idea?
24.08.2022
294
views
1
comment
0
IOTE11_SandeepGurram
Level 2
Bhiwandi
Under discussion
help
how to unlock all levels
23.08.2022
252
views
3
comments
0
Louis
Level 17
New York
Question about the task
Big Ben
Java Core
,
Level 6
,
Lesson 7
Under discussion
I have tested this code and it works, but it's still failing when I try to submit it.
It is failing with: "After incrementing the time, the second count cannot be greater than 59. The number of minutes should increase."
23.07.2019
1250
views
7
comments
0
Hafsah Jilanee
Level 10
Karachi
Question about the task
Longest string
Java Syntax
,
Level 7
,
Lesson 6
Resolved
last 2 reqs not met even tho code is working
My code is working fine but can not pass testing. Can anyone help me please?
23.08.2022
407
views
1
comment
0
Kshitij Pimple
Level 2
Mumbai
Question about the task
No comments needed
Java Syntax
,
Level 0
,
Lesson 8
Resolved
Explain me this question please
How to solve this question please explain me step by step o comments needed Uncomment one line so that the program displays the numbers 12 and 2 (first 12, and then 2). Requirements: 1. The program should display the numbers 12 and 2. 2. Don't change the lines that declare variables. 3. The progra
01.02.2019
1748
views
2
comments
0
Andres
Level 4
Reedley
Question about the task
More conversions
Java Syntax
,
Level 3
,
Lesson 8
Under discussion
i need help please
i dont know what i did wrong
12.08.2020
504
views
2
comments
0
michal9696
Level 18
Poland
Question about the task
Memory defragmentation
Java Syntax
,
Level 10
,
Lesson 5
Resolved
Some hint
Hi, I have a problem with this exercise. Could you give me some hint how to solve this?
16.08.2022
485
views
4
comments
0
Raakesh Singh chauhan
Level 3
Question about the task
Currency exchange
Java Syntax
,
Level 3
,
Lesson 3
Under discussion
please help me out
what mistake i am doing in this code
11.09.2018
2393
views
9
comments
1
Justin Smith
Level 41
Greenfield, USA
Question about the task
Build a tree (part 4)
Java Collections
,
Level 1
,
Lesson 15
Resolved
The intended design of this tree is not clear from the instructions
In the example graphic, I understand that each Entry has a right and left "child" Entry, or at least the potential to have them. I also understand that if you remove an Entry (such as in the example list.remove("3")) it removes all the child entries as well. But I do not understand the placement of
16.08.2022
396
views
3
comments
0
Jakhongir Ruziev
Level 23
Tashkent
Question about the task
Task about algorithms
Java Syntax
,
Level 9
,
Lesson 11
Resolved
Struggling with isGreaterThan(String a, String b) method. Did not quite get how it works. Can someone please clarify on that. I would really appreciate it🙏
11.04.2020
862
views
8
comments
0
Whisper
Level 31
Question about the task
From a data stream to a list
Java Syntax
,
Level 19
,
Lesson 7
Under discussion
Why Collector keyword is ignored?
When you convert a Stream Object into a List Object, Why numbers .filter(number -> number > 0) .collect(Collector.toList()); does not work?
15.08.2022
429
views
4
comments
0
Steveo
Level 14
London
Question about the task
Chess board
Java Syntax
,
Level 6
,
Lesson 5
Resolved
array must be filled ???
My code runs and i get the expected output but i cant get the 3rd of 4 conditions to be met to complete the task and i have no idea what im missing. any help appreciated
05.08.2022
423
views
2
comments
0
Alex Tor
Level 31
Question about the task
Let's work with StringBuilder
Java Syntax
,
Level 10
,
Lesson 7
Resolved
Don't understand what output is being expected here.
Hi team, This code gives the following output: Learn, learn, and learn again! A rolling stone gathers no moss Learn, learn, an, in! //Learn, learn, and learn again! - first parameter //A rolling stone gathers no moss - second parameter but the judge keeps talking to me: Be sure that the a
11.08.2022
300
views
2
comments
0
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