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Questions about tasks
Hot
Przemek
Level 25
Lublin
Question about the task
Making the right conclusion
Java Core
,
Level 10
,
Lesson 10
Under discussion
Can anybody help, please? :)
The result in my task like below is: C class, method2 A class, method2 C class, method1 B class, method1 Does anybody can tell me why changing to private modifier in method1 of class A gives correct result? IS it not enaugh to call method1() like I do in 16-th line?
24.05.2021
382
views
1
comment
0
Vincent
Level 2
Question about the task
Minesweeper (Part 1/16)
Games
,
Level 0
,
Lesson 0
Under discussion
Help
Can someone give me the answer please? I need it in order to have enough dark matter to continue, but I haven't learned it yet
20.07.2020
668
views
0
comments
1
Andrei
Level 41
Question about the task
Refactoring the Chain of Responsibility pattern
Java Multithreading
,
Level 9
,
Lesson 9
Resolved
If the methods of an abstract class shouldn't have a body, why does this exercise validate with the abstract class's methods having bodies?
I don't understand. Are we supposed to have bodies in the abstract class's methods or not? What is the recommended practice? public abstract class AbstractLogger implements Logger{ int level; Logger next; public AbstractLogger(int level) { this.level = level; } @Overr
24.05.2021
499
views
4
comments
0
Cristian
Level 16
Bucharest
Question about the task
GCD
Java Core
,
Level 4
,
Lesson 8
Under discussion
What's wrong with my code? Thank you very much!
package com.codegym.task.task14.task1420; import java.io.*; /* GCD */ public class Solution { public static void main(String[] args) throws Exception { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); int a = Integer.parseInt(reader.readLine
24.05.2021
454
views
2
comments
0
hacks patel
Level 20
Ahmedabad
Question about the task
Whether it's a bird or a lamp
Java Core
,
Level 2
,
Lesson 2
Under discussion
Don't know , what's wrong with it?
plz help and give solution...
23.03.2019
2142
views
10
comments
0
Zach
Level 22
Fort Collins
Question about the task
GCD
Java Core
,
Level 4
,
Lesson 8
Under discussion
Second Condition not passing
package com.codegym.task.task14.task1420; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; /* GCD */ public class Solution { public static void main(String[] args) throws Exception { // create reader BufferedReader reader
22.05.2021
603
views
1
comment
0
Yuchen
Level 17
Los Angeles
Question about the task
OOP: The Euro is money too
Java Core
,
Level 5
,
Lesson 12
Under discussion
Please help me to work this out!
the third condition keeps failing. Please point out what is wrong with it?
30.07.2019
1678
views
6
comments
0
TJ Wize
Level 19
Houston
Question about the task
Rounding numbers
Java Core
,
Level 8
,
Lesson 11
Under discussion
Not sure where I'm going wrong
I can't tell where I am getting it wrong. I have tried maybe 20 different ways to read, convert, and write the values. Please help.
22.05.2021
442
views
1
comment
0
srikanth
Level 10
Bangalore
Question about the task
R or L
Java Syntax
,
Level 7
,
Lesson 9
Under discussion
one and only one condition is not getting executed ,can any one tell where is the problem?
where is the mistake?
23.01.2019
1991
views
10
comments
0
Maxim Raitin
Level 20
Tomsk
Question about the task
OOP: Books
Java Core
,
Level 5
,
Lesson 2
Resolved
It works but doesn't compile
Hello! It shows correctly result in IDE. Why CodeGym doesn't accept it?
13.05.2021
654
views
10
comments
0
Edward Rickers
Level 15
Washington
Question about the task
Positive and negative numbers
Java Syntax
,
Level 4
,
Lesson 7
Under discussion
Giving me fails on all the tasks. Code seems to work with all situations
import java.io.*; public class Solution { public static void main(String[] args) throws Exception { // program reads numbers from keyboard BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); int neg = 0; int pos = 0;
20.05.2021
610
views
2
comments
0
Joseph Bonhomme
Level 1
Rockville
Under discussion
Why can't I continue Tasks?
Im currently locked out of level 1 lesson 5 and I don't know why. I completed all of my previous tasks and I paid for premium so why can't I do this task?
17.05.2021
430
views
0
comments
0
Vladyslav Korol
Level 16
Coral Springs
Question about the task
Horse racing
Java Core
,
Level 6
,
Lesson 5
Under discussion
Why is last condition not satisfied
20.05.2021
449
views
1
comment
0
Andrei
Level 41
Question about the task
This weird BigDecimal
Java Multithreading
,
Level 9
,
Lesson 9
Under discussion
Why does passing the number to the constructor as String does not generate a lot of decimals?
If I pass just v1 and v2 to their respective constructors the result is 2.3000000000000000000000000000000000000000032342 something like this. But if I transform the argument into a string, for both constructors, then the result is 2.3. Where does this come from? public class Solution { publi
21.05.2021
573
views
4
comments
0
- FniJnn -
Level 33
Paris
Question about the task
Autoboxing features
Java Multithreading
,
Level 9
,
Lesson 5
Under discussion
how ?
Help me please my brain is dead
19.03.2020
1255
views
5
comments
0
Libby
Level 20
Question about the task
MovieFactory
Java Core
,
Level 4
,
Lesson 8
Resolved
Last three conditions not met.
I don't understand exactly what has to be done here. any help will be appreciated.
12.05.2021
385
views
2
comments
0
Asia
Level 19
Bydgoszcz
Question about the task
Vowels and consonants
Java Syntax
,
Level 9
,
Lesson 11
Under discussion
What is wrong? Forth requirement
I like my solution, but not passing 4th requirement, anyone can tell me why do? Looked up their solution and it seems much more complicated.
19.05.2021
398
views
2
comments
0
dplaza2394
Level 2
Manassas
Question about the task
I think being a programmer is cool
Java Syntax
,
Level 0
,
Lesson 3
Under discussion
not a question; more so a suggestion
The story above the task goes through explaining a lot about the difference between System.out.println and System.out.print methods. I feel like this corresponding exercise would be a lot more helpful if one of the constituents for success was that you needed to have at least one System.out.print st
19.05.2021
495
views
0
comments
0
Andrei
Level 41
Question about the task
Mastering Callable
Java Multithreading
,
Level 8
,
Lesson 10
Resolved
What are arbitrarily long numbers and why do they use BigInteger?
public static Callable getTask(final int i) { return new Callable() { @Override public String call() throws Exception { BigInteger sum = BigInteger.ZERO; for (int j = 1; j <= i; j++){ sum = sum.add(BigInteger.
18.05.2021
686
views
2
comments
0
Josephine
Level 26
Normal
Question about the task
MVC (part 2)
Java Multithreading
,
Level 4
,
Lesson 14
Resolved
why the controller class is throwing an error?Please help
class, interface, or enum expected. file com/codegym/task/task36/task3608/big02/controller/Controller.java, line 2, position 60
18.05.2021
491
views
5
comments
0
ImDevin
Level 15
Old Town
Resolved
no output in intellij
Currently on task 0905. People have posted that they get stackTraceDepth of 3 in intellij, but there is no output when I run the code in intellij. When I run the same code in CG, I do get output of 12 like others have gotten. Anyone know why intellij is not showing any output? thx for the repl
06.05.2021
731
views
2
comments
0
Dmitri
Level 22
Seversk
Question about the task
Iterating through a file tree
Java Collections
,
Level 1
,
Lesson 2
Archived
my code works as described
My code works as described in the task. What is wrong?
24.03.2021
623
views
5
comments
0
Yusuf el Turki
Level 5
Rhein
Under discussion
What is the solution ?
I have the right answer got. But i dont understand why i get these Problem ? public class Solution { public static int min(int a, int b, int c, int d) { //write your code here int min; if (a<=b && a<=c && a<=d) min = a;
18.05.2021
377
views
2
comments
0
John
Level 17
Mansfield
Question about the task
Minimum and Maximum
Java Core
,
Level 1
,
Lesson 11
Under discussion
Failed in last condition
I made a copy of the passed array to avoid modifying the original one but still don't pass the last requirements
17.05.2021
674
views
16
comments
0
Nehal Abubakar
Level 7
Karachi
Question about the task
Minimum of four numbers
Java Syntax
,
Level 2
,
Lesson 8
Resolved
Help me out plzzz
Help me out with the solution plzzz
10.08.2018
2762
views
10
comments
0
Andrei
Level 41
Question about the task
Thread priorities
Java Multithreading
,
Level 8
,
Lesson 6
Resolved
Why is it starting numbering from 3, for the threadgroup example?
Current code in MyThread class public class MyThread extends Thread{ public static volatile AtomicInteger priority = new AtomicInteger(1); public synchronized void correctPriority(){ int newPriority = priority.getAndIncrement(); newPriority = getThreadGroup() != null &
17.05.2021
651
views
3
comments
0
David Close
Level 17
London
Question about the task
CRUD
Java Core
,
Level 7
,
Lesson 10
Resolved
args[] values
I am having alot of trouble within this task, i am unsure on how to use the args[] values correctly ? can someone please explain how to use these correctly.
10.03.2021
727
views
7
comments
0
Ilias Elb
Level 8
Leuven
Question about the task
Longest string
Java Syntax
,
Level 7
,
Lesson 6
Resolved
Who can help??
I don't understand the requirements
17.05.2021
594
views
2
comments
0
Zach
Level 22
Fort Collins
Question about the task
User, loser, coder and programmer
Java Core
,
Level 4
,
Lesson 8
Under discussion
Getting correct output but task 2 and 3 not passing?
package com.codegym.task.task14.task1411; import java.io.BufferedReader; import java.io.InputStreamReader; /* User, loser, coder and programmer */ public class Solution { public static void main(String[] args) throws Exception { BufferedReader reader = new BufferedReader(new InputS
17.05.2021
394
views
1
comment
0
Zach
Level 22
Fort Collins
Question about the task
User, loser, coder and programmer
Java Core
,
Level 4
,
Lesson 8
Under discussion
How do you access each of the different functions??
package com.codegym.task.task14.task1411; import java.io.BufferedReader; import java.io.InputStreamReader; /* User, loser, coder and programmer */ public class Solution { public static void main(String[] args) throws Exception { BufferedReader reader = new BufferedReader(new InputS
16.05.2021
375
views
1
comment
0
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