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Java 25
All quests
All levels
Any status
Questions about tasks
Hot
Infamous 711
Level 4
Question about the task
Plan to conquer the world
Java Syntax
,
Level 3
,
Lesson 8
Under discussion
help!!!!!!
I am keep getting problem. please help
7/3/20
942
views
3
comments
0
Tony Roy
Level 41
Victorville
Question about the task
Number algorithms
Java Core
,
Level 10
,
Lesson 10
Resolved
Results look right, excluding 0 still won't pass. ???
Based on web, giving right Armstrong numbers. Following advice on this page, zero is excluded. Don't know what's wrong!! Addendum: With some modifications to the code below I have tried: 1. excluding 0, numbers < N 2. excluding 0, numbers <= N 3. including 0, numbers < N 4. including 0
4/6/20
1471
views
5
comments
0
Ian Rafferty
Level 13
Question about the task
Census
Java Syntax
,
Level 8
,
Lesson 8
Under discussion
failing last requirement but seems to work
Using the System.out (which I've hidden to verify) it looks like this works. Not sure why it won't pass. any help please guys.
7/10/20
708
views
2
comments
0
Angus McDonald
Level 5
Sydney
Question about the task
Snake (part 10)
Java Multithreading
,
Level 2
,
Lesson 18
Under discussion
Initializing snake and room
I know I need to initialise the snake and game variables in the main method... fairly sure. With the snake I'm not sure how to pass the x and y variables it needs to be initialised. I've tried using the getSnake() method. Tried passing my own arbitrary x and y ints. With the game.. I gather I'm no
7/10/20
709
views
1
comment
0
Tata
Level 16
Hisar, Haryana
Question about the task
Task about algorithms
Java Syntax
,
Level 9
,
Lesson 11
Resolved
I can't understend pls help me??
i am stuck with this.
7/9/20
557
views
5
comments
0
Kostadin
Level 6
Hounslow
Question about the task
Jen or Jen?
Java Syntax
,
Level 4
,
Lesson 6
Resolved
i tried in compiler and it is worked proper, where is my mistake
i tried in compiler and it is worked proper, where is my mistake
7/2/20
778
views
2
comments
0
Jhoal
Level 22
Berlín
Question about the task
Longest string
Java Syntax
,
Level 7
,
Lesson 6
Archived
Problem with the last requirement
hi guys, what am I doing wrong? I don't understand why the requirements 4 are not achieve with my code?
7/2/20
654
views
2
comments
0
Ewerton
Level 30
Belo Horizonte
Question about the task
Archiver (part 1)
Java Multithreading
,
Level 7
,
Lesson 15
Under discussion
"The server is unable to properly test your solution. Be sure you have all the classes you need. Be sure that your solution doesn't have any infinite loops."
Caused by: java.lang.ClassNotFoundException: com.codegym.task.task31.task3110.big01.Solution at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 3 more
7/14/19
1410
views
2
comments
0
Brandon Horvatic
Level 27
Johannesburg
Question about the task
Snake (part 16)
Java Multithreading
,
Level 2
,
Lesson 18
Under discussion
Can someone please help..
I have tried everything and nothing seems to pass validation. Does anyone see what is wrong?
10/21/19
1342
views
6
comments
0
pratyush prakash
Level 2
patna
Question about the task
Where does a Person come from?
Java Syntax
,
Level 2
,
Lesson 2
Under discussion
everytime it is wrong
please help me everytime it is saying something or the other missing please can u send me like a full correct program so I can analise it please I m not able to figure it from many days
7/5/20
633
views
3
comments
0
Michael Martin
Level 2
Arlington
Question about the task
Counting words
Java Core
,
Level 9
,
Lesson 5
Resolved
Not sure what is separating the word "world" in the file
Trying to use all punctuation as the delimiter. Anybody get this working?
12/18/18
2244
views
4
comments
0
Sanjeevkumar
Level 22
Mumbai
Question about the task
To the top of the list
Java Syntax
,
Level 7
,
Lesson 6
Under discussion
How in the world it occurs?
i solved the problem but i wont understand the part how the all elements stored in the beginning of list changed for displaying those in reverse order from begin to end. please explain if you know! thanks in advance!
6/9/20
1090
views
3
comments
0
catalinene
Level 29
Greven
Question about the task
Equals and HashCode
Java Multithreading
,
Level 1
,
Lesson 5
Under discussion
Equals method returns true and has a criteria defined
But the condition 4: The equals method must return true if the first and last fields are equal to the passed object and the current one (don't forget that they might be null)., fails. public boolean equals(Object o) { if (o == this) { return true; } if (!(o insta
3/16/20
1191
views
2
comments
0
Vesa
Level 41
Kaliningrad
Question about the task
Restaurant (part 21)
Java Multithreading
,
Level 9
,
Lesson 15
Resolved
I can't pass the second requirement.
Maybe the cause is not in the OrderManager constructor?
6/20/20
819
views
2
comments
0
Angel Stefan Arjoca
Level 26
Bucharest
Question about the task
Static modifiers and kittens
Java Core
,
Level 5
,
Lesson 9
Resolved
Any hint?
I realy have no idea what to do next...
7/8/20
733
views
2
comments
0
Brad Reed
Level 19
Hartford
Question about the task
Vowels and consonants
Java Syntax
,
Level 9
,
Lesson 11
Under discussion
from one problem to the next
I have this pretty much figured out, my only question: how do i remove the errant space between the two "m"'s in my output. everything else works great(now) jsut not sure how to do that.
7/8/20
851
views
2
comments
0
Anthony Mack
Level 2
Waukesha
Question about the task
Brain training
Java Core
,
Level 5
,
Lesson 12
Under discussion
Why isn't the program accepting my solution?
I fixed the program to get the requested output and even after doing so, it's still not recognizing what's being printed to the screen. Why?
7/8/20
545
views
1
comment
0
Aryan Yadav
Level 4
bikaner
Question about the task
Dividing is good
Java Syntax
,
Level 3
,
Lesson 1
Resolved
what is my mistake
it shows an list of errors and not compile it
8/31/18
3061
views
7
comments
0
pratyush prakash
Level 2
patna
Question about the task
Where does a Person come from?
Java Syntax
,
Level 2
,
Lesson 2
Under discussion
what is wrong here
help.
7/7/20
633
views
1
comment
0
Arun
Level 17
Tirupati
Question about the task
Sorting even numbers from a file
Java Core
,
Level 3
,
Lesson 11
Under discussion
I am stuck on this task,
verification of my mistakes make me helpful to execute it.
6/28/20
1002
views
5
comments
0
Tata
Level 16
Hisar, Haryana
Question about the task
Vowels and consonants
Java Syntax
,
Level 9
,
Lesson 11
Resolved
where i'm wrong. I can't be getting the bug.
pls help🙏🙏
7/7/20
911
views
4
comments
0
Der Gamer (GermanNoobGaming)
Level 0
Question about the task
Minesweeper (Part 3/16)
Games
,
Level 0
,
Lesson 0
Resolved
Constructor in GameObject?
Hello, I don't understand, what I am supposed to do there. It says, I have to implement a Constructor with x and y in GameObject class, but how?
8/13/19
2333
views
3
comments
0
catalinene
Level 29
Greven
Question about the task
Snake (part 16)
Java Multithreading
,
Level 2
,
Lesson 18
Under discussion
How should the head be managed?
I don't undestand where the "newHead" should be created and how it affects the existing code, created in the previous tasks.
3/24/20
1358
views
1
comment
0
dhanush
Level 30
Chennai
Question about the task
Day of the week
Java Syntax
,
Level 4
,
Lesson 4
Resolved
help me
I don't know why I'm getting error in the third requirements
5/23/20
856
views
4
comments
0
Ed Cab
Level 15
Hawthorne
Question about the task
Min and max in arrays
Java Syntax
,
Level 7
,
Lesson 12
Under discussion
Any explanation appreciated.
Why won't this code pass all conditions , though it yield s the correct result?
7/3/20
614
views
3
comments
0
Maxine Hammett
Level 19
San Diego
Question about the task
Min and max in arrays
Java Syntax
,
Level 7
,
Lesson 12
Resolved
Cant get passed test to output max and min values
I'm so confused. My output is correct. I've checked the syntax and it seems fine. Why am I unable to advance past the third test? Your help is appreciated.
7/6/20
953
views
4
comments
0
Maxine Hammett
Level 19
San Diego
Question about the task
Shuffled just in time
Java Syntax
,
Level 7
,
Lesson 12
Resolved
So confused
I don't even know where to begin. Can someone please walk me through how to code this? Thank you
7/7/20
766
views
1
comment
0
Maxine Hammett
Level 19
San Diego
Question about the task
Streets and houses
Java Syntax
,
Level 7
,
Lesson 4
Archived
Help figuring out this code please
My code creates an array, fills it then compares its value to odd or even and ouputs the response indicated. The output is correct, but I'm not passing the task verifications. Your help is appreciated.
7/6/20
898
views
6
comments
0
Massimo Lorenzi
Level 2
milano
Under discussion
problem level 2 less 2
can anyone tell me why in this case the execution of the program gives me an error?
7/8/20
564
views
3
comments
0
Kamil
Level 31
Near Warsaw
Question about the task
Shortener (6)
Java Collections
,
Level 6
,
Lesson 15
Resolved
I've got a bit of a problem here
I know the task will not pass due to missing Date objects. Although I thought it will meet at least most of the requirements but it doesn't, even a single one. Anyone can tell me what's wrong? And how did you use Date class to measure the time? Because obviously System.currentMillis(); would be
4/23/20
898
views
2
comments
2
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