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Java 25
All quests
All levels
Any status
Questions about tasks
Hot
Lawson
Level 29
Lagos
Question about the task
Arkanoid (part 9)
Java Multithreading
,
Level 3
,
Lesson 13
Resolved
Help plssssss.....
Pls I've tried all I can and it keeps saying It doesn't initialise correctly
9/26/20
497
views
5
comments
0
Dorin Chira
Level 15
Horsens
Question about the task
OOP: Books
Java Core
,
Level 5
,
Lesson 2
Under discussion
The problem everybody has
The MarkTwainBook class constructor should call the constructor of the parent class (Book) with the argument "Mark Twain". To pass this you have to name the field: "title" . or you wont pass. I was using bookTitle and it was giving me errors
9/29/20
570
views
1
comment
0
Wouter Van Kerschaver
Level 6
Oostende
Question about the task
Snake game (Part 4/20)
Games
,
Level 0
,
Lesson 1
Resolved
draw method must be called on created apple
As far as i can see i am using the draw method on the created apple ..........
7/15/19
2794
views
5
comments
2
Павел Артеменко
Level 41
Krasnodar
Question about the task
2048 (part 15)
Java Multithreading
,
Level 10
,
Lesson 15
Under discussion
What am I doing wrong?
Somehow can't get it verified.
5/31/19
1733
views
4
comments
0
umidbek
Level 17
Tashkent
Question about the task
Visitors
Java Core
,
Level 2
,
Lesson 12
Resolved
What is the problem here? The first requirement isn't accepted.
public class Solution { public static void main(String[] args) { System.out.println(getObjectType(new Cat())); System.out.println(getObjectType(new Tiger())); System.out.println(getObjectType(new Lion())); System.out.println(getObjectType(new Bull())); Sys
9/29/20
662
views
4
comments
0
Seferi
Level 22
Question about the task
CRUD 2
Java Core
,
Level 7
,
Lesson 10
Resolved
whats wrong with the switch statement?
Help is appreciated
9/29/20
639
views
3
comments
0
Pioniio
Level 22
Schaffhausen
Question about the task
Big Ben
Java Core
,
Level 6
,
Lesson 7
Resolved
Program ran too long and was closed
the output looks like the example, but i get the error message that it run too long. where is the mistake? thanks
6/2/19
1837
views
3
comments
2
BlueJavaBanana
Level 37
Question about the task
Inheriting an inner class
Java Multithreading
,
Level 4
,
Lesson 4
Resolved
No idea whats wrong? Any clues?
Not passing but it is doing as required?
8/2/20
782
views
3
comments
0
Alvin B
Level 8
Newark
Question about the task
Move one static modifier
Java Syntax
,
Level 7
,
Lesson 12
Under discussion
Simple Task not Working
The task seems simple enough. What is wrong here? Everything seems to work according to requirements. Please help. Thanks in advance.
9/29/20
555
views
1
comment
0
sergio
Level 7
Colorado
Question about the task
Minimum of four numbers
Java Syntax
,
Level 2
,
Lesson 8
Resolved
help please
I am not sure how to use the min method within the other method?? do i just move it into the other method so that it runs it with in?? im focused.
9/27/20
598
views
5
comments
0
sergio
Level 7
Colorado
Question about the task
Minimum of two numbers
Java Syntax
,
Level 4
,
Lesson 6
Resolved
help im not sure why it won't compile
not sure what's wrong. thank you.
9/28/20
579
views
6
comments
0
The Chief
Level 18
Question about the task
Sum of the digits of a three-digit number
Java Syntax
,
Level 3
,
Lesson 12
Under discussion
How do I initialize the other 'sum'?
The compiler says that the 'sum' on the right side of the equal sign on line 17 might not have been initialized. How do I correct this?
9/29/20
495
views
1
comment
0
Angelo Spampinato
Level 18
Boston
Question about the task
Compiling the program
Java Core
,
Level 3
,
Lesson 11
Under discussion
Not sure how to get this to pass
I'm not really sure what to do to get this to pass, could anyone help? Thanks!
6/30/20
748
views
2
comments
0
sourav bamotra
Level 20
jammu
Question about the task
Consecutive threads
Java Core
,
Level 6
,
Lesson 13
Under discussion
2nd and last condition not met.
how to apply join() method on each thread in main
9/28/20
539
views
4
comments
0
Carli Eubanks
Level 15
San Diego
Question about the task
Playing Javarella
Java Syntax
,
Level 7
,
Lesson 9
Resolved
Missing variable
I tried to model my code after the examples from the previous lesson, but clearly I did something wrong because on line 38 it's saying that it can't find variable three. Any advice on how to fix this would be a huge help and greatly appreciated.
9/28/20
491
views
2
comments
0
Philip Butler
Level 32
United Kingdom
Question about the task
Factories (part 2)
Java Collections
,
Level 5
,
Lesson 15
Under discussion
Weirdness - requirement #2 does not verify
Stumped again - so seems fairly straigforward ro create a Factory and return the appropriate objects. Output from main method all looks good. So why does requirement #2 not verify? Help please. Thanks, Phil
11/30/19
1558
views
4
comments
0
gabe
Level 6
Greenville
Question about the task
Three numbers
Java Syntax
,
Level 4
,
Lesson 6
Resolved
why is this not working
i did steal this from someone else, but then I followed what they said in the comments and it worked, but it says I did it wrong
9/23/20
620
views
3
comments
0
Шарох
Level 12
Question about the task
Plan to conquer the world
Java Syntax
,
Level 3
,
Lesson 8
Resolved
what the hell is this?
I'm confused.please help me.
9/27/20
1091
views
9
comments
0
Carli Eubanks
Level 15
San Diego
Question about the task
Longest string
Java Syntax
,
Level 7
,
Lesson 6
Resolved
Index out of bounds
I'm getting an error that an index (maybe more than one) is out of bounds. I don't know how to fix it. Any advice you have is appreciated.
9/28/20
576
views
2
comments
0
Fabian Andiel
Level 9
Vienna
Question about the task
Deep cloning of a map
Java Multithreading
,
Level 1
,
Lesson 8
Under discussion
Why do I have to overwrite the clone method in the users as well
Hi guys, and don`t have any problem with the task but logically I don`t understand why I have to clone the users as well? kind regards Fabian
9/25/20
641
views
2
comments
0
jorge ives murillo paredes
Level 1
New York City
Question about the task
Archiver (part 16)
Java Multithreading
,
Level 7
,
Lesson 15
Resolved
what is wrong throwing the exception?
what is the problem throwing the exception?
4/22/20
1597
views
5
comments
0
Seferi
Level 22
Question about the task
CRUD
Java Core
,
Level 7
,
Lesson 10
Resolved
Doesn't compile
It says that on line 33 , 35, 38 args[1] is not an int. I have to change it to string. But id argument given as int right? I tried it with, Integer.parseInt(args[1]), It compiles but fails the tests. Help is very much appreciated. Thanks.
9/28/20
474
views
2
comments
2
Anitamalina
Level 18
København
Question about the task
Minimum of three numbers
Java Syntax
,
Level 2
,
Lesson 8
Under discussion
error: variable min might not have been initialized return min;
what do I do wrong? get the output: com/codegym/task/task02/task0216/Solution.java:24: error: variable min might not have been initialized return min;
9/28/20
543
views
1
comment
0
The Chief
Level 18
Question about the task
Deep and pure love
Java Syntax
,
Level 3
,
Lesson 8
Under discussion
What is wrong with my code?
It keeps on saying that it can't find a symbol on line 16. Does anyone know what the error is?
9/27/20
659
views
2
comments
0
Chris
Level 19
Newark
Question about the task
Duplicating words
Java Syntax
,
Level 7
,
Lesson 9
Resolved
I have no clue
Can someone please explain to me how to do this. Step by step so I can reverse engineer myself.
9/26/20
613
views
1
comment
0
David Haines
Level 13
La Crosse
Question about the task
Catching a group of exceptions
Java Syntax
,
Level 9
,
Lesson 8
Resolved
I don't understand the exercise - can somebody please explain what is currently happening and what needs to happen?
I don't necessarily want the exact coding to solve this... What I would like is for somebody to please explain (in mono-syllable newb-speak, please) what the requirements are and what needs to happen to fix the problem. I have been googling 'java exceptions' for a couple days now trying to figure
9/23/20
524
views
2
comments
0
sergio
Level 7
Colorado
Question about the task
Our first converter!
Java Syntax
,
Level 2
,
Lesson 2
Resolved
i dont know what i am doing wrong
package com.codegym.task.task01.task0130; /* Our first converter! */ public class Solution { public static void main(String[] args) { System.out.println(convertCelsiusToFahrenheit(41)); } public static double convertCelsiusToFahrenheit(int celsius) { //write your cod
9/23/20
1024
views
3
comments
0
sergio
Level 7
Colorado
Question about the task
18+
Java Syntax
,
Level 4
,
Lesson 6
Resolved
what am I doing wrong? please help.
I cant find my mistake
9/25/20
860
views
4
comments
0
dhanush
Level 30
Chennai
Question about the task
Prices
Java Core
,
Level 8
,
Lesson 11
Resolved
need help
Its not test passing the requirements from 3-6 and also i have tried with some inputs in the arguments but it's throwing a StringIndexOutOfBoundsException -c apple 20000 4 but its not working.
9/25/20
674
views
8
comments
0
Tom ford
Level 15
Question about the task
Expressing ourselves more concisely
Java Syntax
,
Level 7
,
Lesson 6
Archived
Code does exactly what is required. Not sure why it is not verified.
Please help.
9/26/20
556
views
2
comments
0
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