Page 42 | CodeGym online Java course - Help

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
522views
3comments
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
456views
1comment
0
IOTE11_SandeepGurram
Level 2
Bhiwandi
Under discussion
help how to unlock all levels
23.08.2022
382views
3comments
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
1651views
7comments
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
532views
1comment
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
1982views
2comments
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
588views
2comments
0
michal9696
Level 1
Poland
Question about the task Memory defragmentation
Java Syntax, Level 10, Lesson 5
Archived
Some hint Hi, I have a problem with this exercise. Could you give me some hint how to solve this?
16.08.2022
586views
4comments
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
2598views
9comments
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
624views
3comments
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
1059views
8comments
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
590views
4comments
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
553views
2comments
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
401views
2comments
0
Alex Tor
Level 31
Question about the task Path update
Java Syntax, Level 10, Lesson 5
Resolved
I've been trying at least two different ways - none of them seem to be worked.Hi guys, pls, gimme a hint, as it's most likely I didn't get what kind of implementation they want. Thank you!
10.08.2022
331views
2comments
0
sumit singh
Level 5
Question about the task Filled rectangle
Java Syntax, Level 4, Lesson 3
Under discussion
program ran for too long?i am trying to complete a task but it is showing that the program ran for too long. what should i do?
09.08.2022
390views
2comments
0
michal9696
Level 1
Poland
Question about the task Increments
Java Syntax, Level 8, Lesson 3
Resolved
Hi, I don't know if I good understand Hi, I don't know if I good understand that: a = 3 b = ++a + (a-- * ++a) 1. first a-- from parentheses: b = 3 + (2 * 3) 2. second ++a from parentheses: b = 3 [3-1(postfix a--)+1(prefix ++a)] + (3 [2+1(prefix ++a)] * 3 [3-1(postfix a--)+1(prefix ++a)]) 3. third ++a outside parentheses: b = 4 [3+1(pre
09.08.2022
474views
3comments
0
Alex Tor
Level 31
Question about the task Binary converter
Java Syntax, Level 10, Lesson 2
Resolved
What's wrong with toBinary(int)Hello everyone, There is something wrong with the method toBinary(int) pls, gimme a hint. Thank you in advance!
08.08.2022
385views
3comments
0
Anitamalina
Level 18
København
Question about the task GCD
Java Core, Level 4, Lesson 8
Resolved
Inifinite wild loop error I get that message when evaluating my code on codeGym, but I can't seem to find it in my IDE. It gives me the correct result. But maybe there is a test case I'm unaware of?
08.08.2022
541views
1comment
0
Paul
Level 24
Vienna
Question about the task Mastering the static block
Java Core, Level 5, Lesson 12
Under discussion
Failing to create a plane object Hi I don't understand what is going wrong in my code. It seems the plane object can't be created. Thanks for any hints
07.08.2022
498views
4comments
0
Coboliste
Level 46
Casablanca
Question about the task Tracking changes
Java Core, Level 9, Lesson 11
Resolved
The code works correctly, but still rejected because of the last requirement !Hi everyone, The code seems working correctly, I got the same expected results for the two examples, but the code is still rejected by the validator, can any one please tell me the reason behind that ? thanks a lot. Recommendation from the mentor Be sure that the lines list has the SAME label with
06.08.2022
406views
2comments
0
Dawn( #11020889)
Level 37
Toronto
Question about the task Binary to hexadecimal converter
Java Syntax, Level 9, Lesson 2
Under discussion
i totally have no idea hexToBinary method run successfully and also i test some other number, but failed the task test. why? please help me!
05.08.2022
393views
1comment
0
Anitamalina
Level 18
København
Question about the task User, loser, coder and programmer
Java Core, Level 4, Lesson 8
Under discussion
I print correct, I think - but still don't pass :S I have made static methods in Person.java.. otherwise, my method doWork in Solution-class wouldn't work.. e.g. Person.User.live(); But I can't pass the last requirements?.. Anyone who can tell what I am doing wrong?
04.08.2022
564views
8comments
0
Anitamalina
Level 18
København
Question about the task Wine tasting
Java Core, Level 4, Lesson 8
Resolved
I can't pass the requirements.. ?I changed the return type of the method: public static SparklingWine getSparklingWine() to SparklingWine instead of Wine. But neither works.. so I don't understand what to do different?
04.08.2022
368views
1comment
0
Anitamalina
Level 18
København
Question about the task Minesweeper (Part 13/16)
Games, Level 0, Lesson 0
Under discussion
Can't pass two requirements I can't pass the last requirements. Maybe it's the sentence "and the last revealed cell is not a mine" - that I don't do right ?.. Anyone knows?
03.08.2022
332views
2comments
0
Jaime Padilla
Level 20
Chandler
Question about the task Chasing after types
Java Syntax, Level 13, Lesson 7
Under discussion
Not validating It seems to work perfectly. Not sure why the last condition is not passing.
30.07.2022
438views
2comments
0
Dawn( #11020889)
Level 37
Toronto
Question about the task Binary converter
Java Syntax, Level 9, Lesson 2
Under discussion
what's the problem?after running my code i got the correct result, but the task failed. why? anyone can help? Please!
31.07.2022
361views
3comments
0
Abhishek Rangari
Level 22
Nagpur
Question about the task Factory method pattern
Java Core, Level 6, Lesson 13
Resolved
Can someone help me in this task Last condition is not satisfying
13.12.2018
2795views
14comments
0
Денис Чистяков
Level 30
Poland
Question about the task Cat carnage (2)
Java Syntax, Level 10, Lesson 2
Resolved
Why this solution don't pass validator? Why this solution don't pass validator?
01.08.2022
357views
2comments
0
LuisRC
Level 39
Gijón
Question about the task Binary converter
Java Syntax, Level 9, Lesson 2
Under discussion
What's my mistake?Why I'm not able to pass the vaildation? This is the comment from my mentor but I'm not able to see my mistake. Be sure that the toDecimal(String) method returns 0 if it receives an empty string or null as input. Some help, please?
13.01.2022
1003views
5comments
0

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