CodeGym online Java course - Help

Pavan Sanga
Level 1
Pune
Under discussion
WebIDE related question is codegym have any WebIDE available in app? I need to practice coding in my mobile.
12/30/25
16views
1comment
0
Mwanaisha
Level 2
Dodoma
Under discussion
No available tasks I have no available tasks to complete in my current level, so I cannot earn Dark Matter to unlock the next lesson
12/25/25
118views
2comments
0
Sandeep
Level 6
Greensboro
Question about the task Number Guessing Game 🎲
Java 25, Level 5, Lesson 3
Under discussion
Code not getting executed Code not getting executed. Seeing the "Program ran too long" error
1/3/26
26views
2comments
0
Anonymous #11743339
Level 2
Brockton
Question about the task Fixing bugs 🐛
Java 25, Level 1, Lesson 5
Under discussion
This is not a question this task is broke and can not be completed as is.This question is incorrect and cannot be completed as stated in the instructions; even the "Correct solution" is marked as incorrect.
12/29/25
26views
1comment
0
Hypnotoad
Level 4
Manila
Question about the task To work or not to work? That is the question
Java Syntax, Level 3, Lesson 6
Under discussion
About "inclusive" It stated 60 (inclusive), so as I understand it should be: if(age < 20 || age >=60) but solution is: if(age < 20 || age > 60) - its not inclusive
9/17/23
244views
3comments
0
Sandeep
Level 6
Greensboro
Question about the task Minimum or maximum
Java Syntax, Level 13, Lesson 2
Under discussion
Please help - Is this error due to incompatible jdk ? C:\Users\gangi\.jdks\openjdk-25.0.1\bin\java.exe -Dfile.encoding=UTF-8 "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2025.2.5\lib\idea_rt.jar=52237" -Dsun.stdout.encoding=UTF-8 -Dsun.stderr.encoding=UTF-8 -classpath C:\Users\gangi\Downloads\codegym\11531669\codegym-project\o
12/20/25
35views
1comment
0
Djole
Level 41
Belgrade
Question about the task Chat (part 7)
Java Multithreading, Level 6, Lesson 15
Resolved
?public class Server { static Map connectionMap; static { connectionMap = new ConcurrentHashMap(); } public static void main(String[] args) throws IOException { int port = ConsoleHelper.readInt(); ServerSocket ss = new ServerSocket(port); ConsoleHel
4/26/19
1879views
1comment
4
Nobody
Level 37
Seattle
Question about the task Making the right conclusion
Java Core, Level 10, Lesson 10
Under discussion
How this impossible?if we declare A B C as inner classes then we can access the others methods no matter we declare those method are private or not. So in the requirement 4th ask that in C class' method 2 it have to call super.method1() then we have an ambiguity because it can call method1 from class A and B
5/25/19
1503views
3comments
1
slowly
Level 10
Mörfelden-walldorf
Question about the task Somewhere in the middle
Java Syntax, Level 4, Lesson 10
Under discussion
Solution not accepted Why is my solution not accepted?
8/25/24
261views
1comment
2
DolciNShortE
Level 3
Fort Worth
Question about the task This age doesn't work for me…
Java Syntax, Level 3, Lesson 4
Under discussion
Why is the person object created before the Person class???I am having a very difficult time understanding this task. I've worked on it for about 3 days now and I'm still a little confused. I think I understand the concept of using the "this" keyword, though I'm still a little fuzzy on it. It wasn't explained well at all. But what I'm really confused ab
10/11/21
1039views
2comments
6
Wojtek
Level 23
Solec-Zdroj
Question about the task Encryption
Java Core, Level 8, Lesson 11
Under discussion
What is wrong with decryption?need hint
4/19/19
1747views
3comments
2
Angeget
Level 22
Potsdam
Question about the task Encryption
Java Core, Level 8, Lesson 11
Resolved
I am tired trying and trying without result. I need help please. I could not find out the solution I am tired trying and trying without result. I need help please. I could not find out the solution
3/12/19
2136views
3comments
0
Raisa Toscano
Level 1
Tepic
Question about the task Cows are animals too
Java Core, Level 2, Lesson 6
Resolved
what is the problem here?public class Solution { public static void main(String[] args) { Animal e= new Cow(); e.getName(); } } abstract class Animal { public abstract String getName(); } class Cow extends Animal{ public String getName(){ String s="Cow"; return s;}
1/8/19
2203views
4comments
2
SHARLENE FEIJOO PACHECO
Level 5
Question about the task Ask a question on Help
Web Core, Level 3, Lesson 4
Under discussion
Probando s gv
4/29/25
119views
1comment
2
Harshit Garg
Level 34
Chandigarh
Question about the task Logging a stack trace
Java Syntax, Level 15, Lesson 6
Resolved
Doubt regarding 2 methods....why is System.out.println(e.getStackTrace); wrong and e.printStackTrace correct???????????????????????????????? package en.codegym.task.pro.task14.task1416; /* Logging a stack trace (THE SOLUTION AS PER CODEGYM) */ public class Solution { public static void main(String[] args) { try
6/6/25
314views
2comments
2
Nina
Level 6
Cervinia
New
I don't see any task cards The lessons refer to task cards in the bottom of the lesson through which I can open Web IDE... But I see none, neither in the lesson itself, nor in the task section. Had anyone encountered such issues? What do I do?
11/1/25
61views
0comments
2
Maven
Level 17
United States of America
Question about the task Filling an array
Java Syntax, Level 6, Lesson 8
Resolved
I am filling the array according to the specifications. What is wrong here?The error message is too general. My solution is filling the even and odd arrays according to the specifications. I'm not sure what I'm missing here.
3/6/22
1227views
13comments
2
Henrik Krogsholm
Level 18
Copenhagen
Under discussion
missings tasks I cant open next page because of missing tasks and black matters. when will the missing tasks come?
12/2/25
89views
2comments
0
Srdjan Stojkovic
Level 2
Leskovac
Under discussion
dark matter How to earn dark matters, I do not have tasks, and can not open new lesson?
12/6/25
56views
3comments
0
Lolita Young
Level 5
Rockville
Question about the task Changing shoes on the move
Java Syntax, Level 3, Lesson 8
Under discussion
Break point How do you add breakpoint?
12/9/25
41views
3comments
0
Meet Bhogayta
Level 2
CodeGym University in India
New
ware is the moon?// HealthComponent.cs (Unity C# Script) using UnityEngine; public class HealthComponent : MonoBehaviour { public int maxHealth = 100; private int currentHealth; void Start() { currentHealth = maxHealth; } public void TakeDamage(int damage) { currentHea
12/11/25
20views
0comments
0
Leonardo Novak
Level 1
Cavtat
Question about the task Ask a question on Help
Web Core, Level 3, Lesson 4
New
Just solving a task My First HTML Page Hello, Web Development World! This is the basic structure of an HTML document.
11/24/25
42views
0comments
0
Akmal Hizbi
Level 1
-
Under discussion
writing my first program. how can I open web IDE on mobile?
10/3/25
99views
0comments
2
mc
Level 29
Galati
Question about the task Loan approval conditions at the bank 💰
Java 25, Level 3, Lesson 4
Archived
clarification Hi, The code is already completed. Is this supposed to happen? Am I missing something? Thank you.
10/5/25
89views
0comments
2
Jack
Level 13
Poland
Under discussion
hello, i gave a question yesterday but no anwer from your side ??sfsd
10/9/25
80views
1comment
2
Sebastian111
Level 28
Question about the task Compare Candidates
Java Professional, Level 20, Lesson 1
Resolved
Problem with reflectionEquals method The four requirements - current and new object - permission to process transient variables - prohibition to use reflection for the superclass - exclusion of fields are implemented, but something is not working yet.
9/29/25
86views
1comment
2
Sebastian111
Level 28
Question about the task We don't need templates
Java Professional, Level 20, Lesson 1
Resolved
Output not matching requirements For some reason the output is not printing the person's sex.
9/29/25
74views
1comment
2
Djole
Level 41
Belgrade
Question about the task No idiots
Java Multithreading, Level 5, Lesson 5
Resolved
any idea on this one?public class Solution { public static void main(String[] args) { MyThread myThread = new Solution().new MyThread("super secret key"); myThread.start(); } public class MyThread extends Thread { private String secretKey; public MyThread(String secretKey)
4/18/19
1685views
9comments
1
Sebastian111
Level 28
Question about the task task0149
SQL & Hibernate, Level 1, Lesson 4
Resolved
Not validating For some reason the task is not validating. Please check...
9/13/25
128views
1comment
0
Ada
Level 4
Tirana
Question about the task Minesweeper (Part 1/16)
Games, Level 0, Lesson 0
Under discussion
What is going on? I don't know what went wrong? Is something with my code , because when I try to compile it is shows this ( the message on the screenshot)? My code : package com.codegym.games.minesweeper; import com.codegym.engine.cell.*; public class MinesweeperGame extends Game { }
8/6/19
1689views
1comment
2

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