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Java 25
All quests
All levels
Any status
Questions about tasks
Hot
hidden #10600580
Level 9
Under discussion
issues running program on intelliJ
everytime i load up a new task to complete on intelliJ, whenever i try to run the new code for the new task theres always an issue because another task is automatically being ran aswell. it opens up an older task and attempts to run that
4/6/20
869
views
1
comment
0
Alison F Converse
Level 2
New York City
Question about the task
Uh... Happy New Year!
Java Syntax
,
Level 1
,
Lesson 4
Under discussion
help
how to reset work space?
3/23/20
1122
views
2
comments
0
IVAN
Level 17
Milan
Question about the task
OOP: Books
Java Core
,
Level 5
,
Lesson 2
Resolved
I can't understand the problem
Please, can someone help me!?
2/5/20
1384
views
2
comments
1
Evghenii Seremet
Level 41
London
Question about the task
What is ClassLoader?
Java Collections
,
Level 5
,
Lesson 10
Under discussion
Can't see why it doesn't accept the code.
I think it does what it asks for. Can someone point what the problem is?
2/16/20
1175
views
0
comments
0
Lgd
Level 20
London
Question about the task
Task about algorithms
Java Syntax
,
Level 5
,
Lesson 12
Resolved
Hello - please can anybody shed any light on this ? it seems to work imo even with large neg. numbers but it wont pass validation
The program should display the maximum of the N entered numbers. it says ...be sure that the program works correctly for large negative numbers such as -2000000000
2/25/20
1296
views
3
comments
0
Jack
Level 4
Yerevan
Question about the task
Implement the print method
Java Syntax
,
Level 2
,
Lesson 1
Under discussion
Print???
Well, I don't get how the print command works, people said to lookup loop for JavaScript but still didn't get it, anyone?
4/5/20
1064
views
2
comments
0
Aakash potepalli
Level 22
Bangalore
Question about the task
Playing Javarella
Java Syntax
,
Level 7
,
Lesson 9
Resolved
everything is working except the printList method
please help me with this...
5/12/19
1518
views
3
comments
0
Abe
Level 41
Salt Lake City
Question about the task
Using JSON to convert from one class to another
Java Collections
,
Level 3
,
Lesson 5
Under discussion
stumped
Can anyone help me out on this one? I believe I am successfully converting the object from one type to another - all fields are equal. But I cannot get the first criteria to pass. Any ideas?
11/13/19
1552
views
4
comments
0
Pablo Souza
Level 22
Brisbane
Question about the task
Wanna fly?
Java Core
,
Level 2
,
Lesson 9
Under discussion
Is public really necessary?
Hey folks! From the little I have learned about interfaces so far, aren't they inherently public? "All abstract, default, and static methods in an interface are implicitly public , so you can omit the public modifier." (from Oracle Docs)
4/5/20
1011
views
1
comment
0
Ntuthuko Xaba
Level 18
Johannesburg
Question about the task
Chicken factory
Java Core
,
Level 4
,
Lesson 6
Resolved
Will somebody please help.
At my wit's end.I've tried everything under help already ,will somebody please tell me what is wrong with this code.
4/5/20
1151
views
3
comments
0
Jack
Level 4
Yerevan
Question about the task
Pay raise
Java Syntax
,
Level 2
,
Lesson 2
Under discussion
help...
how do i assign the variable to the string
4/5/20
1003
views
4
comments
0
Wojtek
Level 23
Solec-Zdroj
Question about the task
Writing to a file from the console
Java Core
,
Level 3
,
Lesson 11
Resolved
it loads too long
What is wrong with my code?
2/7/19
1478
views
1
comment
1
Raqib Gazi
Level 11
Question about the task
Even and odd digits
Java Syntax
,
Level 6
,
Lesson 5
Under discussion
Requirements are not being met. Code is running as expected. Please provide input.
So everything seems to be working, but the Requirements are not being met. Wondering if anyone can help with this?
3/19/20
1294
views
3
comments
0
Satya Vath
Level 31
Vijayawada
Question about the task
OOP: Cars
Java Core
,
Level 5
,
Lesson 2
Resolved
A little Hint is appreciated
Its working in intellij idea
4/14/19
1651
views
2
comments
1
Goran
Level 41
Belgrade
Question about the task
Writing to a file from the console
Java Core
,
Level 3
,
Lesson 11
Resolved
Problem with fifth requiremnt
I am going mad here! Tried everything and still can't find problem. Can some one help ?
4/5/20
918
views
1
comment
0
Satya Vath
Level 31
Vijayawada
Question about the task
MVC (part 1)
Java Multithreading
,
Level 4
,
Lesson 14
Resolved
Where is the Error
Help
5/14/19
1521
views
3
comments
0
Ntuthuko Xaba
Level 18
Johannesburg
Question about the task
Turnip
Java Core
,
Level 3
,
Lesson 11
Under discussion
Need to know
I just realised that there are multiple files in this task. Is there anyway of seeing these in IntelliJ?
4/3/20
1241
views
1
comment
0
jclements2
Level 20
Rogers
Question about the task
GCD
Java Core
,
Level 4
,
Lesson 8
Resolved
I think this is right, it won't verify.
My algorithm is as follows: Fill an ArrayList with all possible divisors of num1, ordered from least to greatest. Starting with the greatest, divide into num2 until the first number is found that successfully divides without a remainder, and that is the GCD for the two numbers. It has worked in ever
4/4/20
1143
views
2
comments
0
Uchenna Benjamin
Level 15
Madisonville
Question about the task
Task about algorithms
Java Syntax
,
Level 5
,
Lesson 12
Under discussion
who can give me the knowledge I need to solve this task
please I need help , this task is eating my memory. tell me how to solve the task. thanks
3/29/20
1488
views
11
comments
0
hidden #10604255
Level 4
Question about the task
Minimum of three numbers
Java Syntax
,
Level 2
,
Lesson 8
Under discussion
help!!
please what am I doing wrong? it clearly out puts the minimum of the numbers but still they don't approve why? can some one point out what I have done wrong?
4/4/20
1215
views
2
comments
0
Ted404
Level 11
Dubai
Question about the task
Longest sequence
Java Syntax
,
Level 8
,
Lesson 6
Under discussion
Can you help me to figure out what is the problem in here?
the last point is not passing. when i tried it in eclipse it is showing corrently but here it is not passing. pls need help with explanation.
4/4/20
989
views
1
comment
0
Viddyasagar CS
Level 4
Chennai
Under discussion
How to reset all progress and start again?
Hello Is there a way to reset all progress and start all over again? Thanks Viddya
3/28/20
1577
views
4
comments
0
Dennis
Level 1
Malakoff
Question about the task
String array in reverse order
Java Syntax
,
Level 7
,
Lesson 4
Under discussion
Why does the array hold 10 strings?
Just a requirements question, not sure anyone has the answer. But why are we creating an array of 10 strings, but only entering 8 and then a requirement is to display all 10 strings from the array? Seems to me we should be entering 10 strings from the keyboard or the directions should say to just fi
4/3/20
1019
views
2
comments
0
Han
Level 24
Question about the task
Moon Lander (Part 10/23)
Games
,
Level 0
,
Lesson 4
Resolved
The 9th check fails and I don't see why
it says: In the move(boolean, boolean, boolean) method, the x field must be incremented by the value of speedX after the speedX field has been changed. It seems that x get's incremented by speedX after updating the speedX field. I must overlook something but I can't see what is might be.
9/18/19
1658
views
3
comments
0
max
Level 8
livorno
Question about the task
Cat code won't compile
Java Syntax
,
Level 7
,
Lesson 12
Under discussion
why only one cat is printed?
ciao to all, i'm getting crazy!, only the first cat is printed, I know is a stupid error somewhere but at the time being i'm not able to detect my mistake. Pls help me
4/4/20
966
views
1
comment
0
HM
Level 5
Cheras
Question about the task
Minimum of four numbers
Java Syntax
,
Level 2
,
Lesson 8
Under discussion
I need explanation for this.
How this can return the minimum of a,b,c,d? a = min(a, b) c = min(c, d) return min(a, c)
4/4/20
1040
views
1
comment
0
Anton
Level 26
Oslo
Question about the task
The whole duck isn't enough
Java Syntax
,
Level 5
,
Lesson 12
Under discussion
toString method
Why do we get console output if we don't call toString method?
4/3/20
1024
views
1
comment
0
Jay
Level 17
Washington
Question about the task
Initializing cats
Java Syntax
,
Level 5
,
Lesson 7
Under discussion
What am I doing wrong?
I can't seem to figure out where the problem. Your assistance is appreciated.
7/10/19
2043
views
8
comments
0
errorCode
Level 9
Makati
Question about the task
The code won't compile…
Java Syntax
,
Level 9
,
Lesson 11
Resolved
I Need your help!!!
I can't figured out what I should do.
10/31/18
1932
views
3
comments
0
hidden #10462592
Level 8
Question about the task
Ascending numbers
Java Syntax
,
Level 6
,
Lesson 11
Under discussion
How to implement this method?
The for loops work just fine! The issue arises at temp part... "number(k) now found". how to solve this.
10/16/19
1518
views
10
comments
0
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