Page 48 | CodeGym online Java course - Help

Ajani
Level 16
Jacksonville
Question about the task Cats
Java Core, Level 4, Lesson 4
Resolved
A little confused - task verification fail. Failed to make a cat for each entry.So supposedly I failed to create a cat for each input entry. however that is false. I made a temp cat for each of those entries utilizing the required class and its method CatFactory. please tell me why this failed.
14.03.2022
744views
3comments
0
Justin Smith
Level 41
Greenfield, USA
Question about the task Chat (part 11)
Java Multithreading, Level 6, Lesson 15
Resolved
Can't get past the last requirement The issue is that the requirements aren't really that clear what message they want. I will note that I have done something a little bit different in how I approached this; I've nested try/catch statements in order to be able to differentiate whether the exception comes from the Connection constructo
17.03.2022
795views
6comments
0
null
Level 29
Poznan
Question about the task Minesweeper (Part 2/16)
Games, Level 0, Lesson 0
Resolved
Can't run the file - Javafx error Hello. I've created the file and passed the test at task number one, howeover it does not work. When I try to run the file I get error: Error:(4, 8) java: cannot access javafx.application.Application class file for javafx.application.Application not found My code: package com.codegym.games.mine
15.07.2019
2336views
6comments
0
yi
Level 20
Toronto
Question about the task My first thread
Java Core, Level 6, Lesson 3
Under discussion
Cam someone help me with this one ? I know this one is easy, but what do i need to change to pass the task ?
04.01.2020
1185views
4comments
0
Jack
Level 6
United States of America
Question about the task A name is a name
Java Syntax, Level 4, Lesson 16
Under discussion
IDE I have the correct solution - submitted it through web, but IDE is giving this error: Exception in thread "main" java.lang.NumberFormatException: For input string: "Jack" at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:67) at java.base/java.lang.Integer.parse
11.03.2022
471views
5comments
0
Radosław Nowosielski
Level 26
Poland
Question about the task Binary converter
Java Syntax, Level 9, Lesson 2
Resolved
What is wrong?I know the problem is in line 32, I tried different options there but still not passing the validation.
10.03.2022
584views
2comments
0
Сергей
Level 3
Question about the task Escaping characters
Java Syntax, Level 3, Lesson 6
Under discussion
what's wrong? package com.codegym.task.task03.task0316;
26.02.2021
637views
2comments
0
y-meyer2
Level 28
Germany
Question about the task Building a file
Java Core, Level 8, Lesson 11
Under discussion
Could someone tell me whats wrong in my code?Hi, it keeps saying that i didnt closed the streams but i think i did or am i wrong? Thanks in advance
08.03.2022
663views
1comment
0
Anonymous #10924226
Level 15
France
Under discussion
Where is level 5?Hello guys ! When i want to "view all task" in IntelliJ, i only have the levels before level 5 but nothing after :'( Any IDEA[ :-p] please? Thomas
22.02.2022
478views
2comments
0
Jaime Padilla
Level 41
Chandler
Question about the task Greater than 10? You're not a good fit for us
Java Syntax, Level 8, Lesson 8
Resolved
It seems to work, but won't pass. Why?When I print it out it does what it's supposed to, but it doesn't want to pass. What's the reason?
03.03.2022
484views
2comments
0
Jonaskinny
Level 25
Redondo Beach
Resolved
Each time I access Core Level 1 I get forced back to Syntax Level 17 Cleared cookies/restarted. Anyone know how to get through to Core when you are level 19?I'm so frustrated with this for the last few hours, wasting so much time. If anyone can suggest how to get around this I'd really appreciate it. I have reached out to Admin on message, chat, email etc and have not gotten a response. I am supposed to be working on this now and through the weekend and
26.02.2022
509views
5comments
0
asyraf
Level 3
Kuala Lumpur
Question about the task Currency exchange
Java Syntax, Level 3, Lesson 3
Under discussion
I need a clue.. Can someone help I have try and getting no result expect error.. i need a clue
18.06.2019
1581views
3comments
0
dodoalkhalbe
Level 6
Ames
Under discussion
What are static vs non static variables? what is variable scope? More about variable scope (section)
27.02.2022
543views
1comment
0
Josephine
Level 26
Normal
Question about the task Minesweeper (Part 15/16)
Games, Level 0, Lesson 0
Under discussion
Can somone explain ,what does the 7th requirement do..with setcellvalue?The createGame() method must clear all items (flags, mines, numbers) from the playing field. Use the setCellValue(int, int, String) method. Pass an empty string as the last argument.
18.02.2021
464views
5comments
0
Luyi
Level 31
Kosice
Question about the task Minesweeper (Part 15/16)
Games, Level 0, Lesson 0
Resolved
last condition Hello there, I do not understand last condition; my point is in the method onMouseLeftClick I already opening the tiles. Why should I open a tile and restart the game in the same turn? What I am missing here please? At first point I thought that I should call the restart method only in case isGame
04.12.2019
1893views
9comments
0
Vo
Level 41
Sofia
Question about the task Shortener (6)
Java Collections, Level 6, Lesson 15
Resolved
Doesn't pass no matter what After tons of attempts and on the edge of desperation I decided to use the answer provided by CodeGym. First of all, my answer is literally the same as theirs But this is not everything, it doesn't even pass the provided answer. How is that even possible ? Please let me know what you think.
13.04.2021
846views
3comments
2
Jesus Bárbara
Level 22
Question about the task Minimum or maximum
Java Syntax, Level 13, Lesson 2
Resolved
What's wrong here?Can someone help me figure out what's wrong? The output seems fine.
24.02.2022
415views
2comments
0
Andrew
Level 29
Seattle
Question about the task Chat (part 17)
Java Multithreading, Level 6, Lesson 15
Under discussion
Code passes verification but program doesn't run correctly When I run the Server, I enter a random port number, let's say "1111" (tried this with a variety of ports). I get "Server is running." Then I run the Client and for server address, I enter "localhost" (also tried with IP directly) and for port I enter "1111". Then I get back "An error occurred whil
03.06.2019
1649views
3comments
0
Angel Stefan
Level 23
Sibiu
Question about the task Problem solving
Java Core, Level 9, Lesson 8
Under discussion
How regex work?After we split(" ") the string what is the value of array[4](the last element of array) if the string to split is "3 + 6 = "(4 char and 4 char space)? We have " "(space) after = but if we split with regex " " and after the space we don't have nothing why the array have 5 elements!?
18.02.2022
949views
6comments
0
Rich
Level 23
San Diego
Question about the task Threads and bytes
Java Core, Level 8, Lesson 11
Under discussion
missing fourth criteria looks like it should meet all checks but I'm missing the fourth. is it because I only use one Thread at a time and iterate to start new ones one at a time?
22.02.2022
497views
3comments
0
Jesus Bárbara
Level 22
Question about the task Binary to hexadecimal converter
Java Syntax, Level 9, Lesson 2
Resolved
Am I missing something?What's wrong with my code? The output seems correct but the task is not completed. Can someone help me, please?
21.02.2022
739views
7comments
2
Alexandre Desbois
Level 10
Chamarandes-Choignes
Question about the task Vowels and consonants
Java Syntax, Level 9, Lesson 11
Under discussion
Why did I need to write "java.lang.String" instead of just String?Hello, I don't understand why IntelliJ didn't want me to write just String s and wanted me to add java.lang. before it. Do you know why? What should I do to just do it like before? Thanks, Alexandre
21.02.2022
445views
1comment
0
Alexandre Desbois
Level 10
Chamarandes-Choignes
Question about the task Dividing by zero
Java Syntax, Level 9, Lesson 11
Resolved
Why we shouldn't throw the Exception in the divideByZero() method?Hello, Everything is in the title. I don't understand why it's not necessary to throw the ArithmeticException in the divideByZero() method. Thanks, Alexandre
21.02.2022
472views
2comments
0
LuisRC
Level 39
Gijón
Question about the task Let's talk music
Java Core, Level 6, Lesson 3
Under discussion
Where's the problem?Hi, I've though that the problem with this task was that I had implemented it by using System.currentTimeMillis() which was not validated. After reading the help section I have modified it tby using the Date and again it didn'tt pass the validation. Now I've no idea was wrong. Thanks in advance for
20.02.2022
398views
2comments
0
Paul
Level 24
Vienna
Question about the task Plan to conquer the world
Java Syntax, Level 3, Lesson 8
Under discussion
How to see the Input in IntelliJ?I can't find the Input (8 & Kevin) in IntelliJ, also when I run the program in IntelliJ, I don't get the right result ( just the file location), still the code was marked as correct. I tried to run the code later on the website, but you can't run it anymore once it is correct. Does anyone knows
23.10.2019
1710views
3comments
3
LuisRC
Level 39
Gijón
Question about the task Request parser
Java Core, Level 5, Lesson 12
Under discussion
What's wrong?Hi there, I've been dealing with this task for two days and the fact is that I think I don't understand what's expected in this task and why my solution has not been validated. Some help please?
18.02.2022
515views
2comments
0
aijo
Level 30
Germany
Question about the task Rarest bytes
Java Core, Level 8, Lesson 3
Under discussion
Output seems correct, but validation fails. Why?Does someone perhaps know why my solution fails the validation? the outputs seem to be correct when I test with sample file...
16.02.2022
831views
12comments
0
Angel Stefan
Level 23
Sibiu
Question about the task Counting words
Java Core, Level 9, Lesson 5
Resolved
It work's with my file!Any hint? Tk you!
17.02.2022
859views
8comments
0
Юра Иванов
Level 1
Kharkiv
Under discussion
Коли я ввожу свою адресу, видається сповіщення, що вона використовується іншим користувачем. Що ж робити?
17.02.2022
413views
1comment
0
Jcode
Level 27
Question about the task There are a lot of resources
Java Syntax, Level 16, Lesson 3
Under discussion
Why is the throws IOException required in line 14???The task gets us to take a pre-Java 7 try-catch-finally and update it using a try-with-resources. The code shown below is the task is in its untouched original form hence the errors shown when it is verified. I noticed on Line 14 public static void main(String[] args) throws IOException { On line
15.02.2022
621views
12comments
0

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