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Java 25
All quests
All levels
Any status
Questions about tasks
Hot
priss
Level 18
Roosendaal
Question about the task
Countdown at the races
Java Core
,
Level 6
,
Lesson 10
Under discussion
help
What's the isuue?
4/26/20
926
views
3
comments
0
hidden #10430490
Level 22
Question about the task
Rarest bytes
Java Core
,
Level 8
,
Lesson 3
Under discussion
Problem with third condition - "All of the least frequently repeated bytes from the file should be displayed, separated by spaces"
The output is correct, I checked with three files, and the result is always correct. But verification is not valid!
4/27/20
1019
views
1
comment
0
Onome Brownly-Otiede
Level 9
Galway
Question about the task
Pay raise
Java Syntax
,
Level 2
,
Lesson 2
Resolved
I can't seem to get the last requirement correct, what should I do?
I can't seem to get the last requirement correct, what should I do?
4/26/20
1024
views
2
comments
0
Derek
Level 14
An Longfort
Question about the task
Writing to a file from the console
Java Core
,
Level 3
,
Lesson 11
Under discussion
Requirements 2 and 5 failing
Hey All, A little help if you don't mind. I feel I've met all the requirements but its says requirement 2 and 5 are wrong? Any help would be much appreciated. Thanks in advance.
2/23/20
1417
views
3
comments
0
Agata
Level 20
Warsaw
Question about the task
Number of letters
Java Syntax
,
Level 10
,
Lesson 11
Resolved
equals is always false
When I print for example alphabet.get(2).equals(allStrings.get(0)) (which is c and c) it returns false, but I am not sure why...
4/26/20
1460
views
2
comments
0
Gellert Varga
Level 23
Szekesfehervar
Question about the task
Multiplication table
Java Syntax
,
Level 3
,
Lesson 6
Resolved
The task work well, but the verifier give me 3*RED
Hi, i think, my solution to "Multiplication table" task works well. The table is displayed, it contains 10 lines, and the numbers are right. I used the "for" cycle. But the task-verifier said the follows: The program should output text. - GREEN The displayed text should contain 10 lines. - RED Eac
2/16/20
2012
views
28
comments
1
TIT4N90
Level 14
Tourin
Question about the task
Checking the order
Java Syntax
,
Level 7
,
Lesson 9
Resolved
Hello! what's wrong with my index output?
Considering index 0 the base on which starting the comparation and being index 1 string as long as index 0, 1 should be the first index violating the order.. so why i could not pass the 4th task?
4/25/20
1031
views
2
comments
0
Manish Sinha
Level 1
london
Question about the task
Most frequent bytes
Java Core
,
Level 8
,
Lesson 3
Resolved
i dont know what is the issue. i am getting the correct result.
please help me knowing the issue. Thanks.
4/26/20
1367
views
4
comments
0
Henry
Level 6
Stuttgart
Question about the task
Name register
Java Syntax
,
Level 4
,
Lesson 2
Under discussion
hi
I need help with regards to the code. I have done it in two different ways and it is either ,i miss the fourth requirement or i miss the last requirement .I do not know if i have to apply the equal() method. Any information with explanation would be appreciated.
9/12/19
2132
views
5
comments
0
Ntuthuko Xaba
Level 18
Johannesburg
Question about the task
Shall we play?
Java Core
,
Level 6
,
Lesson 13
Under discussion
Task does'nt output correctly
I was wondering if anybody else is getting the wrong output but passing the task? Smith:Start game Jones:Start game Gates:Start game This is the only output I got, no display of the winner or the losers , but still passed. Am I misunderstanding the task requirements or is this a bug? Here's my cod
4/18/20
1217
views
7
comments
0
Agata
Level 20
Warsaw
Question about the task
Big salary
Java Syntax
,
Level 10
,
Lesson 11
Resolved
Output is correct but 4th requirement is not met
Can you help me find out why?
4/26/20
1138
views
2
comments
0
Angana Bose
Level 12
Kolkata
Question about the task
Describing numbers
Java Syntax
,
Level 4
,
Lesson 7
Archived
I can't understand what's wrong.Can someone help?
package com.codegym.task.task04.task0427; /* Describing numbers */ import java.util.Scanner; public class Solution { public static void main(String[] args){ //write your code here Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int len = (int)(Math
4/26/20
1271
views
7
comments
0
Andrew
Level 29
Seattle
Question about the task
Hippodrome (part 15)
Java Multithreading
,
Level 1
,
Lesson 16
Archived
Anyone else not able to verify printWinner?
I have copied and pasted directly from the task conditions. Also tried including a new line character but nothing I have tried works. Example output: The winner is Boots!
4/4/19
1994
views
8
comments
0
Bill Wu
Level 29
Wellington
Question about the task
Equals and HashCode
Java Multithreading
,
Level 1
,
Lesson 5
Resolved
How should the HashSet behave?
I don't understand why the last requirement isn't satisfied? Shouldn't it return true in the example of the main method? Thanks in advance.
4/3/19
1754
views
4
comments
2
DeltaPilot12
Level 24
Berlin
Question about the task
2048 (Part 5/18)
Games
,
Level 0
,
Lesson 2
Resolved
2 requirements not fullfilled, programm working
Hey, what´s the problem here? The programm is working, it is displaying sometimes 2, sometimes 4 in random cells. I am calling twice the getRandomNumber(SIDE) and once the getRandomNumber(10). Any help would be appreciated! :)
4/25/20
1320
views
3
comments
0
Jack
Level 4
Yerevan
Question about the task
Multiplication table
Java Syntax
,
Level 3
,
Lesson 6
Resolved
wha?
it says ")" expected on line 12. what am i doing wrong...?
4/21/20
1311
views
9
comments
0
Raj Mishra
Level 2
India
Question about the task
HashMap of cats
Java Syntax
,
Level 8
,
Lesson 3
Resolved
Unable to understand the cause of failure
Here my output is according to the requirement. Still why its failing. Can anyone help please? I am already adding all the cats in the Map collection.
3/30/20
1321
views
3
comments
0
hidden #10502603
Level 2
Question about the task
CodeGym. Learn once - use anywhere
Java Syntax
,
Level 1
,
Lesson 4
Under discussion
The easy way
Hello. Could you please tell me How to print it 10 times without copy it 10 times. Thanks.
10/4/19
1310
views
2
comments
0
Schantl Johann
Level 2
Wuerzburg
Question about the task
As simple as 2+2
Java Syntax
,
Level 1
,
Lesson 8
Under discussion
reactivate an example
How can I reativate an example which is closed?Thanks, Johann
2/21/20
1346
views
2
comments
0
Sidd
Level 7
Maple Valley
Question about the task
Square of a number
Java Syntax
,
Level 1
,
Lesson 8
Under discussion
??
What is wrong In this? I don't get it at all. It is just so confusing, I did everything right, so what is wrong in it?
4/19/20
1056
views
3
comments
0
Jonathan
Level 9
Wakiso
Question about the task
Display right away
Java Syntax
,
Level 3
,
Lesson 3
Under discussion
what's wrong
I don't understand what am missing out in this code!
4/25/20
1201
views
2
comments
0
Przemek null
Level 8
Question about the task
Jen or Jen?
Java Syntax
,
Level 4
,
Lesson 6
Under discussion
does not compile
Hej, I am pretty sure this should work but it does not and I don't see why. Please give me a hint.
4/25/20
868
views
2
comments
0
Will
Level 8
Orlando
Question about the task
Minesweeper (Part 1/16)
Games
,
Level 0
,
Lesson 0
Under discussion
What am I missing?
So I am trying to start working on the Minesweeper Game. I am working on part 1/16 and it seems like it is both asking for the basic layout of the MinesweeperGame class but also writing out initializing the Game class on top of what is being requested in the requirements. I have followed the instruc
4/24/20
1244
views
1
comment
0
Benas Ribačenka
Level 4
Joniskis
Question about the task
Our first converter!
Java Syntax
,
Level 2
,
Lesson 2
Resolved
it is me or it's a bug?
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 you
4/14/20
1514
views
3
comments
0
Sargam
Level 3
Aligarh
Question about the task
CodeGym. Learn once - use anywhere
Java Syntax
,
Level 1
,
Lesson 4
Under discussion
error not identified
I cant understand what is wrong with my code
10/6/18
1522
views
4
comments
0
Tony Roy
Level 41
Victorville
Question about the task
Chat (part 19)
Java Multithreading
,
Level 6
,
Lesson 15
Resolved
Should pass!
I'm especially puzzled since what seems to be the relevant line (40 in my BotClient) is identical to Andrew's from this page (line 42 in his BotClient). His passes and mine does not!! Further, so far as I can tell, it works -- an incoming message is printed on the console just as for the regular
4/24/20
1305
views
3
comments
0
Radim Strapek
Level 6
Prague
Question about the task
Display right away
Java Syntax
,
Level 3
,
Lesson 3
Resolved
Please, someone tell me what to change it my code.
I am sitting in front of this task about half an hour and still don't get what I am doing wrong here.
4/24/20
1331
views
4
comments
0
Fang44
Level 13
Under discussion
reset progress ?
Hello, i am back to learn java after a really long break i obviously forgot it all. I want to know if it's possible to reset all and re-start from zero on the courses and tasks ? thank you :)
4/24/20
1586
views
2
comments
0
Łukasz
Level 61
Lodz
Question about the task
Sokoban (part 15)
Java Collections
,
Level 10
,
Lesson 15
Resolved
Help "checkBoxCollisionAndMoveIfAvailable"
Hi, Does anyone know what could be a problem with second validation: Implement the boolean checkBoxCollisionAndMoveIfAvailable(Direction direction) method in the Model class.
3/17/20
1398
views
6
comments
0
asif nawaz
Level 8
Mumbai
Question about the task
Task about algorithms
Java Syntax
,
Level 5
,
Lesson 12
Under discussion
i have done so many cha ge still not able to paas the test
the last task not able to pass
4/24/20
1088
views
2
comments
0
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