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Questions about tasks
Hot
Christopher Abbott
Level 7
Coppull
Question about the task
Sorting three numbers
Java Syntax
,
Level 4
,
Lesson 6
Under discussion
what is going wrong?
package com.codegym.task.task04.task0420; /* Sorting three numbers */ import java.io.*; public class Solution { public static void main(String[] args) throws Exception { BufferedReader reader = new BufferedReader (new InputStreamReader(System.in)); String alpha = reader.rea
26.08.2020
486
views
3
comments
0
Brad Reed
Level 19
Hartford
Question about the task
Table
Java Core
,
Level 8
,
Lesson 8
Under discussion
Help with that one condition
I've browsed the help section and have not found my answer so I'll post a question myself. I tried 'original.setModel(rows);' but get an error saying original doesn't exist. this wont take, and I've tried without the setModel() call(just cuz these things are weird like that sometimes) and nothing. W
21.08.2020
384
views
2
comments
0
Petros
Level 23
Columbia
Question about the task
Prices
Java Core
,
Level 8
,
Lesson 11
Under discussion
Please help - One condition failing
After about 2 days, I really just want to move on. What's the problem here?
23.08.2020
642
views
2
comments
0
Marek Pasierbek
Level 9
Poznań
Question about the task
Chicken factory
Java Core
,
Level 4
,
Lesson 6
Under discussion
Who can help find mistake?
I think that all is ok. Text os screan is OK.
26.08.2020
308
views
4
comments
0
towelie8
Level 16
Darmstadt
Question about the task
Shuffled just in time
Java Syntax
,
Level 7
,
Lesson 12
Under discussion
Help
Can somebody tell me where the problem is?... greetz
26.08.2020
542
views
1
comment
0
Arjun Kiruthivasan
Level 14
Chennai
Question about the task
Task No. 4 about integer type conversions
Java Syntax
,
Level 10
,
Lesson 4
Under discussion
where am i wrong??
pls help me??
25.09.2018
1718
views
8
comments
0
tony
Level 20
Nis
Question about the task
Task No. 1 about integer type conversions
Java Syntax
,
Level 10
,
Lesson 4
Resolved
No idea
What does this means: "The program should display a number greater than 0. "
04.01.2019
1591
views
5
comments
0
Yuvavimal
Level 12
coimbatore
Question about the task
Shortest or longest
Java Syntax
,
Level 7
,
Lesson 6
Under discussion
what is a wrong?
please check my code
12.08.2020
412
views
4
comments
0
allthemore
Level 41
Question about the task
Adding a file to an archive
Java Collections
,
Level 1
,
Lesson 6
Under discussion
Probably this will help somebody
If your program works locally but does't validate and you checked all other possible solution in this forum probably this one may help. Find a line in your code that looks like: zipOutputStream.putNextEntry(new ZipEntry("new/" + Paths.get(fileName).getFileName())); Change slash after "new" so it l
02.08.2020
384
views
1
comment
2
Brandon Horvatic
Level 27
Johannesburg
Question about the task
Factorial
Java Core
,
Level 5
,
Lesson 12
Resolved
Please give your input..
Hi guys, I've been stuck for hours. I've used the help section and google but it won't pass. my output adds a bunch of 0s for the higher numbers.
21.09.2019
1161
views
2
comments
0
Edddieg
Level 15
Providence
Question about the task
Exception invasion
Java Core
,
Level 4
,
Lesson 8
Under discussion
welp ... help please , this sucks
please help
26.08.2020
419
views
1
comment
0
Arshad Khan
Level 4
Kolkata
Question about the task
Plan to conquer the world
Java Syntax
,
Level 3
,
Lesson 8
Under discussion
java.util.NoSuchElementException:
am getting this error can some one help java.util.NoSuchElementException: Solution.java, method main, line: 15
04.09.2018
2462
views
4
comments
0
Baurzhan Konurbayev
Level 40
Question about the task
Deserializing a JSON object
Java Collections
,
Level 3
,
Lesson 5
Resolved
What could be wrong?
Hi Stuck at this task. Any ideas? Thanks
25.08.2020
308
views
2
comments
0
Rim
Level 11
Bucharest
Question about the task
Duplicating words
Java Syntax
,
Level 7
,
Lesson 9
Resolved
what is the problem in the code please
the result is that the string is duplicate and display each element in a line but it don t pass the verification .Why????
25.08.2020
483
views
3
comments
0
Wei Cui
Level 39
Newark
Question about the task
Null object pattern
Java Collections
,
Level 1
,
Lesson 8
Under discussion
any improve for this?
public Solution(String pathToFile) { Path path = Paths.get(pathToFile); try { boolean isHiden = Files.isHidden(path); boolean isExecutable = Files.isExecutable(path); boolean isDirectory = Files.isDirectory(path); boolean isWritable =
19.03.2020
808
views
1
comment
2
Stephen Haokip
Level 12
imphal
Question about the task
Catching custom exceptions
Java Syntax
,
Level 9
,
Lesson 8
Resolved
i m stuck
please i need some help
24.08.2020
525
views
2
comments
0
Lawson
Level 29
Lagos
Question about the task
A big fox is still a fox
Java Core
,
Level 3
,
Lesson 4
Resolved
Help
Pls what's my error
25.08.2020
345
views
2
comments
0
Sarah Suß
Level 25
Hamburg
Question about the task
Hippodrome (part 9)
Java Multithreading
,
Level 1
,
Lesson 16
Resolved
What a I missing in the move()-method?
I tried iterating with a normal for-Loop and for each, but it does not verify.
20.01.2020
952
views
1
comment
1
Henrique
Level 41
São Paulo
Question about the task
Arkanoid (part 8)
Java Multithreading
,
Level 3
,
Lesson 13
Under discussion
Can someone explain, pls?
Hi, people. I passed the task because I copied the magical formula of the other help topic. But I didn't understand. To calculate the distance, we use double distance = Math.sqrt(Math.pow((this.getX() - o.getX()), 2.0) + Math.pow((this.getY() - o.getY()), 2.0)); And... what is it? I should have
28.07.2020
379
views
4
comments
0
sourav bamotra
Level 20
jammu
Under discussion
major project for getting my teachers impressed.
guys what project can i make using java coding for my college practical? please suggest? i am almost about to complete the basic codegym java program and soon will get to the core java. >_<
25.08.2020
308
views
1
comment
0
Tim
Level 7
Question about the task
Create a Dog class
Java Syntax
,
Level 5
,
Lesson 7
Resolved
I don't understand what's wrong
I don't understand what's wrong
18.05.2019
1773
views
6
comments
0
adhargupta01
Level 4
Noida
Question about the task
Sorting three numbers
Java Syntax
,
Level 4
,
Lesson 6
Under discussion
Hey help me, I need help🙋🏻♂️
What's the error
24.08.2020
440
views
4
comments
0
adhargupta01
Level 4
Noida
Question about the task
Day of the week
Java Syntax
,
Level 4
,
Lesson 4
Under discussion
Help!!!
What's the problem in it Plz help.
19.08.2020
460
views
6
comments
2
Jeremy Simons
Level 7
Peterborough, Cambridgeshire, UK
Question about the task
Minesweeper (Part 3/16)
Games
,
Level 0
,
Lesson 0
Under discussion
Where am I going wrong?
I am going to research into how to reference objects from external files in the meantime....
26.09.2019
1215
views
3
comments
0
Seferi
Level 22
Question about the task
User, loser, coder and programmer
Java Core
,
Level 4
,
Lesson 8
Resolved
Not verifying..
It seems like working tho..
25.08.2020
454
views
2
comments
0
Agustin Jauregui
Level 22
Auckland
Question about the task
In decreasing order
Java Syntax
,
Level 7
,
Lesson 12
Resolved
Trying to use Collections on this one
The task preview hints that we could try and use collections here. So I gave it a go. I read in SO that the array[int] has to be converted to an object ArrayList in order to use Collections. So I kept failing and failing until I decided I was using to much time to try and solve this in a way we have
04.08.2020
541
views
3
comments
0
MoJo
Level 17
Cairns
Question about the task
Longest sequence
Java Syntax
,
Level 8
,
Lesson 6
Resolved
what´s with the 127 / -128
So i figured out that theres something going on with this task. My solution works in the range of -128 to 127. This probably means that there´s trouble on the binary interpretation. So i tried the list in Long witch is able to store longer numbers (tho 127 in not anywhere close to the max 'int' can
17.08.2020
510
views
3
comments
0
Andrei Stratu
Level 18
Iasi
Question about the task
Building a file
Java Core
,
Level 8
,
Lesson 11
Under discussion
Getting an exception
Why do i keep getting FileNotFoundException even though the path is correct?
22.08.2020
507
views
3
comments
0
Marek Pasierbek
Level 9
Poznań
Question about the task
Static modifiers and kittens
Java Core
,
Level 5
,
Lesson 9
Resolved
What is wrong in my solution?
This task should be so easy, so who can tell me what is wrong?
24.08.2020
349
views
6
comments
0
Mankin Lee
Level 9
Manchester
Question about the task
Set of cats
Java Syntax
,
Level 8
,
Lesson 11
Under discussion
Please help
Been spending the last week on this
25.08.2020
331
views
1
comment
0
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