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Java 25
All quests
All levels
Any status
Questions about tasks
Hot
Christian Djanea
Level 7
Mount Laurel
Question about the task
Checking the order
Java Syntax
,
Level 7
,
Lesson 9
Under discussion
All, I need help with this task. Could anyone give me a hint? Thanks
All, I need help with this task. Could anyone give me a hint? Thanks
4/22/20
1165
views
1
comment
0
Kingsten Banh
Level 22
Newark
Question about the task
Reading and writing to a file: CodeGym
Java Core
,
Level 10
,
Lesson 2
Under discussion
The codeGym.equals(loadedObject) returns true, but never pass the test
I have the check for each property but somehow it still doesn't pass.
5/1/19
1957
views
2
comments
0
yz
Level 37
Jakarta
Question about the task
Shortener (14)
Java Collections
,
Level 6
,
Lesson 15
Resolved
is there any sneaky thing?
??
4/17/20
1175
views
2
comments
0
Bryce Lindley
Level 9
Olympia
Question about the task
Cat relations
Java Syntax
,
Level 6
,
Lesson 11
Resolved
last requirement not being met from toString() method.
I believe I need nested if statements but am having gathering brain matter solving this last scenario. Do I need to switch the order? Thank you.
4/21/20
1350
views
2
comments
0
Daniel
Level 15
Colnbrook
Question about the task
Reading a file
Java Core
,
Level 3
,
Lesson 11
Archived
"The program displays too few lines."
I tried print, println. Can't really figure it out. Any ideas?
4/21/20
1158
views
8
comments
0
Alexandre Lalancette
Level 41
Quebec
Question about the task
Using TreeSet
Java Collections
,
Level 6
,
Lesson 8
Under discussion
There's no first parameter... I get ArrayIndexOutOfBoundsException
Is there a bug in this task because it seems like there's no filename as the first parameter in the main method...
2/9/20
1250
views
2
comments
0
Vaibhavi
Level 5
Vijayawada
Question about the task
Multiplication table
Java Syntax
,
Level 3
,
Lesson 6
Resolved
Please explain the below code where I am going wrong that entire loop is not getting printed
Please explain the below code where I am going wrong that entire loop is not getting printed
11/29/19
1690
views
4
comments
0
Jonathan
Level 9
Wakiso
Question about the task
Crazy eights
Java Syntax
,
Level 2
,
Lesson 5
Resolved
patience
I tried 5 times for a very small mistake of writing lower case c instead of C
4/14/20
1230
views
3
comments
0
Artur Jarosz
Level 30
Lublin
Question about the task
Find the class by its description
Java Collections
,
Level 6
,
Lesson 6
Under discussion
Any help?
I'm pretty sure, that the answer is LinkedList, but I have no clue hot to get that class name by using getDeclaredClasses. I would appreciate any tip.
1/19/20
1608
views
2
comments
0
Steffen Hammelow-Berg
Level 17
Bangkok
Question about the task
Arithmetic mean
Java Syntax
,
Level 5
,
Lesson 5
Resolved
Please help me with this one.
Hi everyone :). My last requirement does not pass. Any help is appreciated.
4/21/20
994
views
2
comments
0
Paul Harman
Level 5
Question about the task
A name is a name
Java Syntax
,
Level 4
,
Lesson 16
Resolved
where is my typo?
cannot verify
4/21/20
806
views
1
comment
0
Tahsin Anam
Level 12
Helsinki
Question about the task
Even and odd digits
Java Syntax
,
Level 6
,
Lesson 5
Resolved
The displayed text must match the task conditions.
Hello, Can you please tell me where I am doing wrong in this code? The answers seem to right.
4/19/20
1074
views
3
comments
0
Djole
Level 41
Belgrade
Question about the task
Space (part 3)
Java Collections
,
Level 3
,
Lesson 15
Resolved
bugged?
... private ArrayList<Ufo> ufos = new ArrayList<>(); private ArrayList<Rocket> rockets = new ArrayList<>(); private ArrayList<Bomb> bombs = new ArrayList<>(); ...
5/25/19
1341
views
4
comments
0
Liliane Top
Level 17
Amsterdam
Question about the task
Snake (Part 14/20)
Games
,
Level 0
,
Lesson 1
Under discussion
Very confused as the game is actually working
Can any please help me. I do not understand at all why this is failing the test as it is working.
2/29/20
1079
views
2
comments
0
Prashant Vishwakarma
Level 12
Mumbai
Question about the task
Minimum of four numbers
Java Syntax
,
Level 2
,
Lesson 8
Under discussion
check code
Answer Is correct but it shows that min(a,b,c,d) should return minimum value
4/20/20
1146
views
2
comments
0
Zuzana Corea
Level 10
Kosice
Question about the task
Hello, StarCraft!
Java Syntax
,
Level 3
,
Lesson 4
Under discussion
Help pls
What is wrong here
4/15/20
947
views
3
comments
0
Miroslav
Level 9
Bratislava
Question about the task
Console-based piggy bank
Java Syntax
,
Level 5
,
Lesson 12
Under discussion
Guys please help why it doesnt sum in one number?
Can anyone please help me why this doesnt work?
4/1/20
1197
views
3
comments
0
Jakub Góźdź
Level 31
Katowice
Question about the task
Restaurant (part 22)
Java Multithreading
,
Level 9
,
Lesson 15
Under discussion
I get timeout
I have no clue what is wrong. I get timeout.
4/6/20
1274
views
1
comment
0
Brad Hawk
Level 20
Everett
Question about the task
Snake (Part 10/20)
Games
,
Level 0
,
Lesson 1
Resolved
Something is correct in my move() method.
What am I missing? When I run the program, it appears to be working properly.
4/21/20
1259
views
1
comment
0
Tony Ng
Level 6
Singapore
Question about the task
18+
Java Syntax
,
Level 4
,
Lesson 6
Under discussion
All requirements pass but the first one.
As you can see, I have passed all requirements but the first one. My code shows that I have indeed call the program to read from the keyboard twice. Is this a bug ?
10/4/19
1492
views
3
comments
0
Johannes
Level 27
Centurion, Pretoria
Question about the task
Who called me?
Java Syntax
,
Level 9
,
Lesson 2
Resolved
Why would we use array index 2 of the stack ?
Where was that explained ?
3/13/20
1602
views
2
comments
0
Paul Harman
Level 5
Question about the task
Positive and negative numbers
Java Syntax
,
Level 4
,
Lesson 7
Resolved
what is wrong here?
om/codegym/task/task04/task0429/Solution.java:44: error: expected System.out.println("Number of negative numbers: " +negativeCount); it is telling me that ( is a problem
4/21/20
1086
views
2
comments
0
jorge ives murillo paredes
Level 1
New York City
Question about the task
MVC (part 6)
Java Multithreading
,
Level 4
,
Lesson 14
Under discussion
Please help
I don't know how to put the separator in a new line in the refresh(dataModel) method in the editUserView. And I have problems in the refresh UserView method.
3/7/20
1262
views
1
comment
0
sirisha karanki
Level 10
Question about the task
Three numbers
Java Syntax
,
Level 4
,
Lesson 6
Under discussion
whats wrong with my code
package com.codegym.task.task04.task0424; /* Three numbers */ import java.io.*; import java.util.Scanner; public class Solution { public static void main(String[] args) throws Exception { //write your code here Scanner sc=new Scanner(System.in); int a=sc.nextInt();
4/10/20
1145
views
2
comments
0
Daniel L. Tovar
Level 9
Question about the task
Streets and houses
Java Syntax
,
Level 7
,
Lesson 4
Archived
Why is my code not meeting the last condition?
I thought the reason was because the code wasn't accounting for the 0 so I added || arr[i] == 0 to the code. Apparently that was not the problem. I've been trying to understand why but I don't see what I should change or add. Please, just explain the problem to me.
4/10/20
1198
views
2
comments
0
Marcin Olech
Level 41
Kraków
Question about the task
2048 (part 9)
Java Multithreading
,
Level 10
,
Lesson 15
Resolved
Got stuck. 6 & 7 requirements.
I'm not sure why is it not working. What else I need to do? Looks simple but...
12/1/19
1376
views
4
comments
0
Meensi
Level 3
Bangalore
Question about the task
Subjective reality
Java Syntax
,
Level 2
,
Lesson 3
Under discussion
output too long
package com.codegym.task.task02.task0210; /* Subjective reality */ public class Solution { public static void main(String[] args) { //write your code here System.out.println("If you don't code well, Java will come and eat your memory."); } }
4/1/19
2516
views
10
comments
0
Basem Zaki
Level 3
Question about the task
Multiplication table
Java Syntax
,
Level 3
,
Lesson 6
Under discussion
need to know how to limit the line to out put only 10 characters
package com.codegym.task.task03.task0314;
4/20/20
1144
views
1
comment
0
Łukasz
Level 16
GDANSK
Question about the task
Multiplication table
Java Syntax
,
Level 3
,
Lesson 6
Under discussion
Seemingly all is ok, but NO...
Hi Folks... I haven't an idea where it is bugs. Seemingly all is ok, but NO. Please help me! The displayed text should contain 10 lines --------> 13 line The displayed numbers must form a multiplication table --------> 15 line Thx
4/15/20
1329
views
5
comments
0
hidden #10602322
Level 3
Question about the task
Where does a Person come from?
Java Syntax
,
Level 2
,
Lesson 2
Resolved
what is out put of code
public static void main(String[] args) { what is actually why we write code of person person = new person () how is different from public static class
4/20/20
1062
views
1
comment
0
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