Page 12 | CodeGym online Java course - Help

FelixUjo
Level 35
Gijón
Question about the task Phone number verification
Java Multithreading, Level 2, Lesson 13
Under discussion
These tasks are hopeless, I don't know what is wrong or how to fix it.These tasks are hopeless, I don't know what is wrong or how to fix it.
21.01.2024
388views
9comments
0
hidden #11454140
Level 3
New
why can't I open tasks in intellij idea in pc codegym is asking for a subscription for opening a task.
23.01.2024
386views
0comments
0
Andrei
Level 41
Question about the task MVC (part 8)
Java Multithreading, Level 4, Lesson 14
Under discussion
This MVC task has got to be one of the least thought through programs so far...I mean, how can you introduce this new concept of programming, which is very complicated (at least this is how it seems for a beginner), with an exercise that contains over 15 classes and interfaces, some of which overlap, you don't know which is which anymore.. Who does what.. who's the view, who'
16.04.2021
806views
6comments
1
TryingToBecomeJavaDev
Level 2
Question about the task My young friend
Java Syntax, Level 1, Lesson 4
Under discussion
Hint so you need to create 2 {int} a,b whatever and then use text display command and 3126-8 it's just a hint i don't want to people a solution
21.01.2024
328views
0comments
0
Bashka
Level 4
Russia
Under discussion
Help... 🙄I can't decide, I've tried everything. At least crack it, mfk... 😵 The Last option is a cry of the soul! 🤣🤣🤣
21.01.2024
248views
0comments
0
Andrei
Level 41
Question about the task Password generator
Java Collections, Level 2, Lesson 6
Under discussion
Challenge for YOU : create a shorter algorithm than the one below! Do you think you can do it? Let's see what you got. 😁 package com.codegym.task.task32.task3204; import java.io.ByteArrayOutputStream; import java.io.DataOutputStream; import java.io.IOException; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util
22.06.2021
947views
19comments
1
Amantai
Level 47
Shymkent
Question about the task Tetris (part 14)
Java Collections, Level 2, Lesson 15
Under discussion
Where is my mistake?For testing, I temporarily created a 'main' method in the 'Field' class. public void removeFullLines() { // Looking for partially filled rows in the // original matrix (from bottom to top) int[][] tempMatrix = new int[height][width]; // Current row index for tem
22.01.2024
288views
1comment
0
Bashka
Level 4
Russia
Question about the task Let's compare strings
Java Syntax, Level 3, Lesson 9
Under discussion
Help me!))) Why it not work?
16.01.2024
268views
3comments
0
Beautifuly Dedicated
Level 0
Long Branch
Question about the task We solemnly publish and declare these variables...
Java Syntax, Level 1, Lesson 3
Under discussion
how to move on to next task something is wrong with website, it wont allow me to start next task.....
28.12.2018
1448views
6comments
0
Tangerin
Level 27
Chongqing
Question about the task Correct inheritance chain: part 4
Java Core, Level 1, Lesson 11
Resolved
I want to leave my footprint here...It's the first task that doesn't need to change a bit, quite interesting!
07.07.2019
1934views
8comments
12
FelixUjo
Level 35
Gijón
Question about the task Inverted words
Java Multithreading, Level 2, Lesson 9
Resolved
I don't know what's wrong.I don't know what's wrong.
15.01.2024
467views
9comments
0
Jen P
Level 26
Question about the task Caesar cipher
Java Collections, Level 2, Lesson 4
Under discussion
Is online test mechanism wrong ? I always got "Under no circumstances should null be returned", even though my local test got exactly the same correct result Hi guys, I constantly got the same "Under no circumstances should null be returned" error, even though I run the main method to do local test and got exactly the same test result, i,e : "Hello Amigo #@)₴?$0" Which part could I be wrong ??
24.08.2019
1771views
6comments
0
Isa Musa
Level 3
Kano
Question about the task Pay raise
Java Syntax, Level 2, Lesson 2
Resolved
Pay raise Hey guys can someone come to my help please.? Whenever I run the code it shown me ""
07.01.2021
693views
3comments
0
Mike S
Level 28
Saint Louis
Question about the task Prices
Java Core, Level 8, Lesson 11
Under discussion
(Seemingly) Correct Output, But Not Passing Anything Except 1st & 2nd Requirements. Uggh Greetings, After my fair share of hours already spent on this, I finally have what seems to be the correct output, but the validator isn't accepting anything meaningful. I realize my code could be better organized into tidy little methods. Maybe I'll do that if no one is willing to cross their eye
14.02.2023
593views
11comments
0
Hoist
Level 5
San Diego
New
An error occurred during verification of Codegym solution ---> An error occurred: UNKNOWN_ERROR Output: 0.5 6 // I ran it 3 times --- It finally passed nvm sorry must have been stuck lol package com.codegym.task.task34.task3404; import java.math.RoundingMode; import java.text.DecimalFormat; import java.text.NumberFormat; import java.util.LinkedList; import java.util
12.01.2024
201views
0comments
0
gabe
Level 6
Greenville
Question about the task Getters and setters for the Dog class
Java Syntax, Level 5, Lesson 5
Resolved
i cant figure it out I can't figure out how to tell it to change jim.name, help!
05.11.2020
750views
3comments
0
Bashka
Level 4
Russia
Question about the task Triangle
Java Syntax, Level 3, Lesson 6
Under discussion
Hello, help me... Were is my wrong?
08.01.2024
254views
1comment
0
Bashka
Level 4
Russia
Question about the task Conscription
Java Syntax, Level 3, Lesson 3
Under discussion
WTF is going on? Is one task, I'm can't wrong, 100%....
31.12.2023
312views
2comments
0
Artur Svvvskyi
Level 13
Geneva
Under discussion
Application to learn Python Do you know some similar applications in Python? Thank you in advance!
29.11.2023
257views
0comments
0
Adrian Kuligowski
Level 2
United States of America
Question about the task Amigo is very smart
Java Syntax, Level 1, Lesson 1
Under discussion
seems buggy unless i really missed something...it did not like System.out.println("Amigo is very smart"); had to use System.out.print instead -.-
12.12.2023
372views
0comments
0
Anonymous #11439288
Level 22
Question about the task Cat carnage (2)
Java Syntax, Level 10, Lesson 2
Under discussion
what it's not passing ? package en.codegym.task.jdk13.task05.task0501; /* Cat carnage (1) */ public class Solution { public static void main(String[] args) { Cat cat1 = new Cat("name1",1,2,3); Cat cat2 = new Cat("name2",1,2,3); Cat cat3 = new Cat("name3",1,2,3); } publi
06.01.2024
272views
1comment
0
MoJo
Level 23
Cairns
Question about the task Chess board
Java Syntax, Level 6, Lesson 5
Resolved
I want to understand the validation better. My code works fine as far as I can tell, but won't be accepted Any Ideas, why this is not valid?
13.12.2023
309views
2comments
0
Abhishek Tripathi
Level 72
Rewa
Question about the task Serialization of a zoo
Java Core, Level 16, Lesson 5
Resolved
Annotation in Serialization Can anyone explain me what should I do here?
05.12.2023
431views
2comments
0
Md Emon
Level 2
Under discussion
h how to change course language
29.11.2023
310views
2comments
0
Mina Nabil
Level 17
Sydney
Question about the task Something superfluous
Java Core, Level 5, Lesson 4
Under discussion
Problem with my code Hi, whats the problem with my code, I know that print((short) 1) will work and print((Short) 1); won't but why is this happening although I should use the wrapper class Short not the short as I understand ?
06.03.2021
940views
6comments
1
Kotlet
Level 28
Wroclaw
Resolved
CodeGym language change Hello everyone, I have unusual question. Yesterday by accident somehow my language in some areas of CodeGym changed from English to Russian (for example instead of “level” under name I see “уровень”). This also affected some text in intelliJ (in task conditions instead of the word “requirements” I
05.06.2019
3786views
8comments
4
matemate123
Level 50
Kraków
Question about the task Aggregator (part 5)
Java Collections, Level 8, Lesson 15
Resolved
WTF? The same code like solution Three red buttons? What the hell is going on here? I think this project was build untidy...
17.11.2023
272views
4comments
0
Artur Svvvskyi
Level 13
Geneva
Under discussion
how to reach the next task without a task menu navigation?how to reach the next task without a task menu navigation? it takes some time to click the bottom and search for the next task in the menu
08.11.2023
208views
2comments
0
matemate123
Level 50
Kraków
Question about the task Deserializing an XML object
Java Collections, Level 3, Lesson 8
Resolved
Implementation of JAXB-API has not been found on module path or classpath.I validate but it's not working on my computer. What can I do if I want it's works for me :(
14.09.2023
939views
7comments
0
NNAMDI HENRY
Level 6
ABUJA
Question about the task Sum of the digits of a three-digit number
Java Syntax, Level 3, Lesson 12
Under discussion
Confused here, assistance needed please please I'm stuck here, I don't understand the question. please can anyone assist me . much appreciation.
30.06.2021
677views
5comments
0

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