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Java 25
All quests
All levels
Any status
Questions about tasks
Hot
Junior Chire
Level 3
Maputo
Under discussion
problem with all the exercises!
Activities no longer appear to me! and I can't get dark material, what to do?
8/24/20
555
views
1
comment
0
Marek Pasierbek
Level 9
Poznań
Question about the task
Longest sequence
Java Syntax
,
Level 8
,
Lesson 6
Under discussion
Code is OK, I works! It is not correct!?
Hello I know that code is not perfect but it works. I try it so meny times and allways all was ok. Who know why it is not correct for codegym validator? My plan: 1. Create table [] 2. Add 10 number for table [] 3. Sort table 1,2,2,.....4,4,4,7,7,.. 4. Find longest sequence 5. Create ArrayList (we m
7/16/20
557
views
2
comments
0
Saulo Moreira
Level 5
Quebec
Question about the task
The humble programmer
Java Syntax
,
Level 3
,
Lesson 8
Resolved
Scanner instead of BufferedReader - I don't get what's wrong
I can't detect why it isn't working. I prefer to use the Scanner instead of BufferedReader, and I've done other tests like this, but this one simply doesn't work. The compiler says the following: com/codegym/task/task03/task0320/Solution.java:15: error: cannot find symbol Scan scan = new S
8/23/20
517
views
2
comments
0
Edddieg
Level 15
Providence
Question about the task
MovieFactory
Java Core
,
Level 4
,
Lesson 8
Resolved
please help ,im stuck!!!
been working on this for almost a day, I just don't know what to do now, I'm stuck
8/23/20
583
views
2
comments
0
Ailana
Level 2
San Carlos
Question about the task
Where does a Person come from?
Java Syntax
,
Level 2
,
Lesson 2
Under discussion
WHAT TO DO WITH THIS CODE
ggygu
8/11/20
664
views
1
comment
0
anna
Level 15
Question about the task
Task about algorithms
Java Syntax
,
Level 5
,
Lesson 12
Resolved
Output is correct but one condition is not matched
The condition that you should display maximum of N numbers, is not matched. But output looks correct. I can't find where is the problem..
8/23/20
540
views
3
comments
0
Sanjeevkumar
Level 22
Mumbai
Question about the task
Overriding serialization in a thread
Java Core
,
Level 10
,
Lesson 10
Under discussion
looks like perfect but not.
stucked in the 4th condition dont know why?
8/22/20
458
views
1
comment
0
Ailana
Level 2
San Carlos
Question about the task
Where does a Person come from?
Java Syntax
,
Level 2
,
Lesson 2
Under discussion
Whats wrong in my code plz explain
here is my code whats wrong with it?? public class Solution { public static void main(String[] args) { Person person = new Person(); }
8/11/20
898
views
3
comments
0
Aleksandar Mladenov
Level 9
Dublin
Question about the task
Task about algorithms
Java Syntax
,
Level 5
,
Lesson 12
Under discussion
Help, It works but doesnt validate.
I dont get it the reuqirements work and it compiles corectly but it doesn seem to get validated any ideas ?
8/20/20
531
views
3
comments
0
sourav bamotra
Level 20
jammu
Question about the task
Catching custom exceptions
Java Syntax
,
Level 9
,
Lesson 8
Resolved
help me out -_-
error says that FileSystemException has already been caught on line 37 -_-
8/22/20
671
views
4
comments
0
amj
Level 7
Imphal
Question about the task
Even and odd digits
Java Syntax
,
Level 6
,
Lesson 5
Under discussion
help me please
I don't know what my wrong
8/21/20
584
views
2
comments
0
Matthew Max
Level 29
Giza
Question about the task
Number algorithms
Java Core
,
Level 10
,
Lesson 10
Resolved
It work fine but it dosen't verify!?
I don't know why it doesn't verify? your help is much appreciated
8/22/20
562
views
0
comments
0
srikanth
Level 10
Bangalore
Question about the task
Vowels and consonants
Java Syntax
,
Level 9
,
Lesson 11
Under discussion
second line is not giving output i didnt get where i made mistake?
only one requirement is not passed
3/9/19
2082
views
9
comments
1
Baurzhan Konurbayev
Level 40
Question about the task
Adding a file to an archive
Java Collections
,
Level 1
,
Lesson 6
Under discussion
All tests are failing
Hi, Functionality works as described in the task, but still getting issues with tests. Please, help Thanks
8/22/20
538
views
1
comment
0
Sara Ferré
Level 10
Lisbon
Question about the task
Streets and houses
Java Syntax
,
Level 7
,
Lesson 4
Archived
I'm going crazy! an entire night doing this why doesn't it satisfy the last two conditions? please help :( :(
package com.codegym.task.task07.task0706; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Scanner; /* Streets and houses */ public class Solution { public static void main(String[] args) throws Exception { int even = 0;
8/22/20
566
views
1
comment
0
Sinking
Level 20
Brno
Question about the task
Prices 2
Java Core
,
Level 8
,
Lesson 11
Under discussion
Cannot pass 3th and 4th req. (works on my machine)
I tested it on my machine and it works, however, i cant fullfil the requirements... Please, could you make the code-review and tell me where the mistake is. public static void main(String[] args) throws IOException { BufferedReader reader = new BufferedReader(new InputStreamReader(System.i
8/22/20
486
views
1
comment
0
karla
Level 9
Venlo
Question about the task
Longest sequence
Java Syntax
,
Level 8
,
Lesson 6
Resolved
Where is my mistake?
Code works when i run it but it is not verifying. Verify error says :Be sure that the length of the longest sequence is calculated correctly when it is located at the end of the list of entered numbers
11/1/18
2158
views
2
comments
0
DM
Level 22
Worcester
Question about the task
Factorial
Java Core
,
Level 5
,
Lesson 12
Resolved
Any tips?
"Be sure that the program correctly calculates the factorial of the number 0." It does what codegym wants, I got no clue. "The factorial method must return a string representation of the factorial of the number passed as an argument." ther is no specific format output string so I assumed It's "4!=24
8/21/20
821
views
3
comments
0
dhanush
Level 30
Chennai
Question about the task
Symbol frequency
Java Core
,
Level 8
,
Lesson 11
Resolved
need help
failing to pass the requirement.
8/20/20
597
views
4
comments
0
dhanush
Level 30
Chennai
Question about the task
CRUD 2
Java Core
,
Level 7
,
Lesson 10
Resolved
need help
3rd and 4th requirement is not passing. :(
8/21/20
561
views
2
comments
0
orangepeeler
Level 14
Not in list
Question about the task
Going national
Java Syntax
,
Level 8
,
Lesson 11
Resolved
What is wrong with my code?
I run and every thing is fine, but it is not working. Can someone please help me fix my code? I don't know what is wrong. Thanks!
8/21/20
587
views
4
comments
0
Johannes
Level 27
Centurion, Pretoria
Question about the task
Clew
Java Core
,
Level 6
,
Lesson 13
Resolved
5th requirement not passing, please help
Even pasted it in from other solutions, that passed the 5th requirement. Still not working ?
4/3/20
1807
views
13
comments
2
David
Level 9
Atlanta
Question about the task
Even and odd digits
Java Syntax
,
Level 6
,
Lesson 5
Under discussion
Seems to be the right answer but...
I'm getting the right answer but not fulfilling the requirements somehow. What am I missing?
8/21/20
501
views
2
comments
0
hidden #10625598
Level 23
Question about the task
Find a substring
Java Multithreading
,
Level 2
,
Lesson 5
Under discussion
how can i get this to work?
and why doesnt it?
7/26/20
589
views
1
comment
0
Maxine Hammett
Level 19
San Diego
Question about the task
Chicken factory
Java Core
,
Level 4
,
Lesson 6
Under discussion
How do you add new files to webpage?
I understand that I need to put each Hen type into a new file on the website, but how do you do it? Thank you
7/31/20
663
views
2
comments
0
Xavier
Level 17
Pearland
Question about the task
Shuffled just in time
Java Syntax
,
Level 7
,
Lesson 12
Resolved
I thought I did what was required.
The wording for this task is weird. From what I can tell, I did everything it says.
8/19/20
578
views
3
comments
0
Sanjeevkumar
Level 22
Mumbai
Question about the task
Externalizable Person
Java Core
,
Level 10
,
Lesson 7
Resolved
what else I'm missing?
help mee.
8/21/20
559
views
1
comment
0
Maxim Raitin
Level 20
Tomsk
Question about the task
Describing numbers
Java Syntax
,
Level 4
,
Lesson 7
Archived
Please!
I've checked everything but it is still wrong
8/21/20
506
views
4
comments
0
Paul
Level 24
Vienna
Question about the task
Set of cats
Java Syntax
,
Level 8
,
Lesson 11
Under discussion
my code can't pass the last requirement
If I run the code, the removal worked, and only 2 elements are printed to standard output, Does anyone have a clue, why the last requirement isn't fulfilled?
8/21/20
615
views
1
comment
0
DM
Level 22
Worcester
Question about the task
Functionality is not enough!
Java Syntax
,
Level 10
,
Lesson 11
Under discussion
Any tips? HashMap sorts output, is that a reason this code doesn't pass?
It comes out ok, any help welcome...
8/21/20
436
views
1
comment
0
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