Page 146 | CodeGym online Java course - Help

Dave Andrea
Level 41
Question about the task Most frequent bytes
Java Core, Level 8, Lesson 3
Resolved
Could not find or load main class... ???Hello everyone, I'm having an issue where I cannot run my code for this example. IntelliJ gives me the following error: This might be a problem on Codegym's end, or I could be doing something really dumb that I don't realize haha. But I cannot debug my code without being able to run it, so I canno
25.07.2020
863views
10comments
0
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
590views
3comments
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
460views
2comments
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
801views
2comments
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
418views
4comments
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
671views
1comment
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
1930views
8comments
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
1798views
5comments
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
532views
4comments
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
486views
1comment
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
1339views
2comments
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
506views
1comment
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
2817views
4comments
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
405views
2comments
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
579views
3comments
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
996views
1comment
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
609views
2comments
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
448views
2comments
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
1149views
1comment
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
500views
4comments
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
409views
1comment
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
1990views
6comments
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
531views
4comments
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
591views
6comments
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
1391views
3comments
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
564views
2comments
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
665views
3comments
0
MoJo
Level 23
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
639views
3comments
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
603views
3comments
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
425views
6comments
0

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