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Questions about tasks
Hot
Divakar Reddy
Level 15
Nandyal
Question about the task
One method in a class
Java Core
,
Level 3
,
Lesson 11
Under discussion
how to solve this
can anyone help me
30.07.2019
1501
views
3
comments
0
Mason Rake
Level 4
Grand Marsh
Question about the task
Seasons on Terra
Java Syntax
,
Level 4
,
Lesson 4
Resolved
Please help...
I keeps saying I am doing something wrong with the winter months... I am not sure what is wrong
04.08.2020
442
views
2
comments
0
Ivan
Level 22
Nope
Question about the task
OOP: Method overloading
Java Core
,
Level 5
,
Lesson 12
Resolved
Key to this validation.
public void info(Object s) { System.out.println(String.format("Tree No. %d , Object method, parameter: %s", number, s.getClass().getSimpleName())); } Guys, it is the space after - @Tree No. %d ,@- do you see it, that's how it should be for all. Also the end should be @paramter : %s@
12.12.2019
1093
views
0
comments
3
Johannes
Level 27
Centurion, Pretoria
Question about the task
Arming ourselves to the teeth!
Java Multithreading
,
Level 5
,
Lesson 9
Resolved
please help with output display ?
No clue what format the display should take. Lovely requirements, this level.
18.05.2020
456
views
9
comments
1
Maxine Hammett
Level 19
San Diego
Question about the task
Fixing bugs
Java Core
,
Level 4
,
Lesson 8
Under discussion
Confused with why a semi-colon is needed
I'm confused why the semi-color is used with the new Orca object. CanSwim creature = new Orca( ) { @Override public void swim() { } @Override CanSwim getCurrentCreature() { return null; } };
04.08.2020
445
views
1
comment
0
Henrique
Level 41
São Paulo
Question about the task
Implementing an interface using a local class
Java Multithreading
,
Level 4
,
Lesson 6
Resolved
Output seems correct, but test fails on 4th requirement
Any idea?
29.07.2020
410
views
7
comments
0
Jeanine Kimball
Level 26
New London
Question about the task
Prices 2
Java Core
,
Level 8
,
Lesson 11
Resolved
I can't figure out the problem.
I've been at it for hours. It's probably something small and I'm crosseyed and can no longer see it. Or of course it's major and I have to redo the whole thing. Again. Help please?
03.08.2020
309
views
4
comments
0
Rebekah H
Level 8
Gothenburg
Question about the task
R or L
Java Syntax
,
Level 7
,
Lesson 9
Resolved
My code gives correct output but conditions 3 and 4 are not meet - would someone please explain?
Thank you !
04.08.2020
517
views
2
comments
0
Paweł
Level 15
Gromnik
Question about the task
Sorting even numbers from a file
Java Core
,
Level 3
,
Lesson 11
Resolved
Can't figure it out
If you have a little time, help me please. package com.codegym.task.task13.task1326; /* Sorting even numbers from a file 1. Read a file name from the console. 2. Read a set of numbers from the file. 3. Display only the even numbers, sorted in ascending order. */ import java.io.*; import java.u
27.01.2020
1416
views
5
comments
0
Andrei Stratu
Level 18
Iasi
Question about the task
Clew
Java Core
,
Level 6
,
Lesson 13
Resolved
Can't validate it because of the 4th thread
Any idea what is wrong with the code. I tried to change the 4th thread in every way with this.stop(), this.interrupt(), stop(), interrupt(), etc. Need some help please.
02.08.2020
430
views
6
comments
0
Brad Reed
Level 19
Hartford
Question about the task
ApplicationContext
Java Core
,
Level 7
,
Lesson 10
Under discussion
"marker interface"
It has Bead listed as a "marker interface" what does that mean? if its covered later let me know I'll delete the ?
03.08.2020
434
views
2
comments
2
Artur
Level 22
Moorends
Question about the task
Duplicating words
Java Syntax
,
Level 7
,
Lesson 9
Resolved
won't pass 3rd requirement?
All seems to be right it prints out whole list with doubled words but why won't it pass then?
03.08.2020
515
views
2
comments
0
Azja
Level 32
Krakow
Question about the task
Phone number verification
Java Multithreading
,
Level 2
,
Lesson 13
Under discussion
How regex should looks like in this task?
How it should be? I added solution for conditions only
15.05.2019
1562
views
10
comments
0
Seferi
Level 22
Question about the task
Display numbers in reverse order
Java Syntax
,
Level 7
,
Lesson 12
Resolved
Why doesn't it work?
Can't figure it out...
26.06.2020
383
views
3
comments
2
Brad Reed
Level 19
Hartford
Question about the task
CRUD 2
Java Core
,
Level 7
,
Lesson 10
Resolved
What.... It's failing and telling me to add what i already have....
It wont pass the last verification, saying I need to have a switch statement that has (args[0]) which is right there on line 26. so, what do I do now, becuase I'm not even sure how to make it "see" that its there....
03.08.2020
434
views
3
comments
0
Seferi
Level 22
Question about the task
What sort of list is that?
Java Syntax
,
Level 7
,
Lesson 6
Resolved
Little help please..
Don't know why the last condition fails...
25.06.2020
875
views
4
comments
0
Nicolas Huet
Level 41
Provins
Question about the task
It's not as easy as it seems
Java Multithreading
,
Level 5
,
Lesson 7
Under discussion
I really don't see...
I'm totally blocked in this task, I have read a lot about callable, future, sockets etc. and still, I really don't know what to do... I hope someone will give me some hints please.
31.08.2019
1015
views
6
comments
1
Lawson
Level 29
Lagos
Question about the task
Cat relations
Java Syntax
,
Level 6
,
Lesson 11
Under discussion
help
pls what's wrong with my code
03.08.2020
328
views
1
comment
0
Artur
Level 22
Moorends
Question about the task
R or L
Java Syntax
,
Level 7
,
Lesson 9
Resolved
Null pointer exception?? What is wrong?
I have tried printing out whole array in "print 1" and "print 2" first one prints out the list and the second one does not print nothing just "null" so somehow my "list = fix(list)" makes the arraylist null? any ideas why?
03.08.2020
469
views
2
comments
0
Djole
Level 41
Belgrade
Question about the task
No idiots
Java Multithreading
,
Level 5
,
Lesson 5
Resolved
any idea on this one?
public class Solution { public static void main(String[] args) { MyThread myThread = new Solution().new MyThread("super secret key"); myThread.start(); } public class MyThread extends Thread { private String secretKey; public MyThread(String secretKey)
18.04.2019
1341
views
9
comments
1
YSS
Level 16
New York City
Question about the task
Default values
Java Core
,
Level 5
,
Lesson 9
Resolved
Code runs, does not pass the test, Thanks for taking a look.
.
20.12.2019
1186
views
2
comments
2
James Kelly
Level 31
Point Pleasant
Question about the task
Prices
Java Core
,
Level 8
,
Lesson 11
Resolved
can't verify 3rd requirement
everything verifies but "When you run the program without arguments, the product list must remain unchanged"
13.06.2020
539
views
5
comments
0
Johannes
Level 27
Centurion, Pretoria
Question about the task
Your own enum
Java Multithreading
,
Level 5
,
Lesson 2
Resolved
Skipping this task too. Don't know what they want.
Lot's of talk about real order and new order, and an array of Column class objects passed as input parameter, but code is not understandable to me. Skip....
18.05.2020
591
views
21
comments
2
Maxine Hammett
Level 19
San Diego
Question about the task
Bridges
Java Core
,
Level 4
,
Lesson 8
Under discussion
Really Confused
I'm getting a error on my Solutions Bridge call. I don't know what to do. Your help is appreciated.
03.08.2020
326
views
2
comments
0
Brad Reed
Level 19
Hartford
Question about the task
OOP: Fix inheritance problems
Java Core
,
Level 5
,
Lesson 2
Resolved
Should work.
Not sure where I went wrong, poked around the help section and the condition I’m failing is identical to some others that have passed it....help?
23.07.2020
604
views
3
comments
1
Angel Stefan Arjoca
Level 26
Bucharest
Question about the task
OOP: Books
Java Core
,
Level 5
,
Lesson 2
Resolved
getOutPutByBookType()????
In getOutPutByBookType() i think i need to work with instanceof Agatha... and Mark...but i dont know what to instanceof. This is so frustrating!!! 🤦♂️
07.07.2020
583
views
3
comments
1
Dawid Lubera
Level 26
Rzeszów
Question about the task
Between tabs
Java Multithreading
,
Level 2
,
Lesson 5
Under discussion
Last requirement!!!
Any ideas what's wrong with this code?
29.07.2020
404
views
3
comments
0
Joy Majumdar
Level 16
Kolkata
Question about the task
Shared last names and first names
Java Syntax
,
Level 8
,
Lesson 11
Resolved
What's the bug bro ?
Point out the error please!
20.03.2019
1779
views
5
comments
0
Pioniio
Level 22
Schaffhausen
Question about the task
Make a family
Java Syntax
,
Level 8
,
Lesson 11
Resolved
Output seem as expected but one verification violation
could somebody help me? what is wrong with my code? thank you
26.05.2019
1727
views
4
comments
2
Joan Ushie
Level 4
calabar
Question about the task
Currency exchange
Java Syntax
,
Level 3
,
Lesson 3
Under discussion
i need help
please who can help, i don't understand why when i called the convertEurToUsd method twice using convertEurToUsd(1,2.2) convertEurToUsd(2,2.2) and displayed it twice using( System.out.println(convertEurToUsd(1,2.2)); ( System.out.println(convertEurToUsd(2,2.2)); my second requirement was not met unt
25.07.2020
344
views
1
comment
0
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