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Java 25
All quests
All levels
Any status
Questions about tasks
Hot
Jegadish chandran
Level 3
Mumbai
Question about the task
Implement the print method
Java Syntax
,
Level 2
,
Lesson 1
Under discussion
how to solve this ..
i dont know
6/25/19
1349
views
3
comments
0
polbatona
Level 17
Omsk
Question about the task
Going national
Java Syntax
,
Level 8
,
Lesson 11
Archived
The message output works correctly, but the code does not pass the check.
Tell me, please, why do not pass the test?
6/25/19
1558
views
2
comments
0
dD
Level 17
Novi Sad
Question about the task
Consecutive threads
Java Core
,
Level 6
,
Lesson 13
Under discussion
Little help please
The first thread shows proper result, but it seems to run infinitely after that, i cant really get where is the mistake in the code, tried to put currentThread.join() method in other places but its not helping.
3/7/19
1875
views
3
comments
0
Louis
Level 17
New York
Question about the task
Animal set
Java Syntax
,
Level 8
,
Lesson 11
Resolved
When I run my code in Eclipse it works fine, but when I try to verify the task, it fails on printPets. Anyone have this issue?
The printPets() method should display all the animals in the set pets. Each animal should be on a new line.
4/14/19
1861
views
3
comments
0
ddi
Level 18
Dortmund
Question about the task
Cat code won't compile
Java Syntax
,
Level 7
,
Lesson 12
Resolved
Do i need a second cat? Where should i put it?
I am failing to see where should i put the second cat. Help pls :)
6/25/19
1493
views
4
comments
0
JGO
Level 4
San Jose
Question about the task
Predictions
Java Syntax
,
Level 3
,
Lesson 8
Resolved
typo help
cannot find the typo
1/9/19
1694
views
2
comments
0
hidden #10426395
Level 2
Question about the task
Implement the print method
Java Syntax
,
Level 2
,
Lesson 1
Resolved
Hope for your help guys
Hey guys, I don't understand the task and hope for your help. Perhaps anybody can pay attention and explain this to me?
2/14/19
2362
views
4
comments
0
Marcin
Level 8
Warsaw
Under discussion
Object type name
How to determine which object type name will be good? For example we often see that construction: Object object = new Object(); or i.e. BufferReader bufferReader = new BufferReader(); - why the type name is BufferReader but no BffReadr for example? Does the type name matter in real life?
6/16/19
1285
views
1
comment
0
Online Learner
Level 6
Question about the task
Implement the print method
Java Syntax
,
Level 2
,
Lesson 1
Resolved
i also showed 4 lines but getting an error
6/20/19
1197
views
4
comments
0
Nishant Bhatia
Level 13
Navi Mumbai
Question about the task
Playing Javarella
Java Syntax
,
Level 7
,
Lesson 9
Resolved
What is the problem here?
6/12/19
1445
views
2
comments
0
Supriya Mishra
Level 10
Bangalore
Question about the task
Name register
Java Syntax
,
Level 4
,
Lesson 2
Resolved
Not able to pass 5th test case
public class Cat { private String fullName; public String setName(String firstName, String lastName) { String fullName = firstName + " " + lastName; //write your code here this.fullName = fullName; return this.fullName; } public static void ma
3/18/19
2719
views
10
comments
1
asthatiwari
Level 13
Baikunthpur
Resolved
why is the function removeAllNumbersGreaterThan10() not working?
package com.codegym.task.task08.task0814; import java.util.HashSet; import java.util.Set; import java.util.Iterator; /* Greater than 10? You're not a good fit for us */ public class Solution { public static HashSet createSet() { // write your code here HashSet set=new HashS
6/24/19
1152
views
2
comments
0
Róbert Miklósi
Level 15
Budapest
Question about the task
We don't need repeats
Java Syntax
,
Level 8
,
Lesson 8
Resolved
I don't understand. I checked the result in the main routine and it's looks good.
What is the problem?
6/8/19
1482
views
2
comments
0
khushbu Nirmal
Level 7
Mumbai
Question about the task
Console-based piggy bank
Java Syntax
,
Level 5
,
Lesson 12
Under discussion
whats problem in my code
help
11/18/18
1427
views
2
comments
0
ddi
Level 18
Dortmund
Question about the task
Console-based piggy bank
Java Syntax
,
Level 5
,
Lesson 12
Under discussion
What am i missing? :)
I have run all the answers in Help but still not seing the answer... Maybe some help pls! :)
6/5/19
1510
views
3
comments
1
William Hoang
Level 10
Hanoi
Question about the task
Closest to 10
Java Syntax
,
Level 4
,
Lesson 4
Resolved
What Am I Wrong
I still don't know where my problem is :(
6/23/19
1383
views
2
comments
0
Ku Yew Siang
Level 30
Sekudai
Question about the task
Introducing tags
Java Core
,
Level 9
,
Lesson 11
Resolved
I am pretty sure i gotten all through. Been thinking for the past week. Please help me find me errors.
Help help
5/19/19
2082
views
2
comments
0
ddi
Level 18
Dortmund
Question about the task
Min and max in arrays
Java Syntax
,
Level 7
,
Lesson 12
Resolved
Having problems with the System.out.println
Second exercise that i am lost on how to apply the System.out.println Can someone help me?!
6/24/19
1778
views
2
comments
0
smaranika sahu
Level 5
Pune
Question about the task
Multiplication table
Java Syntax
,
Level 3
,
Lesson 6
Resolved
Why my solution is failing in line no-3?
Any idea or suggestion
6/24/19
1390
views
3
comments
0
RUSTEM
Level 6
Kazan
Question about the task
Crossing the road blindly
Java Syntax
,
Level 4
,
Lesson 4
Under discussion
Please help understand the logic of the error
Please help understand the logic of the error. Why when entering 24.5 gives red and when entering 24.6 is also red, although the remainder is 1 (
5/26/19
1280
views
2
comments
0
Online Learner
Level 6
Question about the task
Plan to conquer the world
Java Syntax
,
Level 3
,
Lesson 8
Resolved
can anyone one help me on this task
i did't get what's i did wrong with this code...
6/23/19
1687
views
6
comments
0
Harinath Reddy A
Level 7
Delhi
Question about the task
Labels and numbers
Java Syntax
,
Level 4
,
Lesson 7
Under discussion
Help
I am getting wats wrong in this code. please help!!!
2/20/19
2439
views
12
comments
0
Kritika Kumari
Level 11
Mumbai
Question about the task
Minimum of two numbers
Java Syntax
,
Level 2
,
Lesson 8
Under discussion
in the solution code when I mentioned (a=m2 ; and b= m2;in the place of m2=a; or m2=b; ) then why it shown me error .
public static int min(int a,int b) int m2; if (a
6/20/19
1527
views
2
comments
0
Andrew
Level 29
Seattle
Question about the task
Archiver (part 10)
Java Multithreading
,
Level 7
,
Lesson 15
Resolved
Not sure where I'm going wrong
ZipFileManager class. Help please!
6/23/19
1569
views
2
comments
0
Usman Jutt
Level 4
Pir Mahal
Question about the task
Multiplication table
Java Syntax
,
Level 3
,
Lesson 6
Under discussion
plzz
help me
9/29/18
1699
views
9
comments
0
jim smith
Level 22
Cedar Park
Question about the task
Prices
Java Core
,
Level 8
,
Lesson 11
Resolved
My best shot came up short
I think I met all the requirements but obviously am misinterpreting something. Tried debugging with cmd line input of single space between arguments and the 8 30 8 4 format and both add a line to the file that looks ok to me but the verification is none to happy.
2/1/19
1864
views
3
comments
0
Ymje Sköld
Level 4
Bjorko
Question about the task
Number of days in the year
Java Syntax
,
Level 4
,
Lesson 4
Resolved
WHy won't my code work?
Isn't it true that all years that are leap years are divided by 4? In which case I do not need to check if it is also divisible by 400, nor do I need to find out if it is divisible by 100. A simple if-else should suffice. It's not passing, even though I've been checking with various numbers, both la
5/30/19
2397
views
4
comments
0
Dona
Level 7
Question about the task
Calling a constructor from a constructor
Java Syntax
,
Level 5
,
Lesson 9
Under discussion
I can't figure it out anyone help me with this....
it shows error
6/14/19
1190
views
2
comments
0
smile
Level 7
Tainan
Question about the task
Calling a constructor from a constructor
Java Syntax
,
Level 5
,
Lesson 9
Resolved
Why can't I call a constructor by creating a new object in a constructor?
I run the code. The results are: 5.0 5.0 1.0 10.0 5.0 10.0 It did make the radius to 10.0, but it still failed. Why? What's the difference between "this" and an object? What is "the correct arguments" exactly?
6/16/19
2165
views
3
comments
0
AK
Level 6
Mumbai
Question about the task
Calling a constructor from a constructor
Java Syntax
,
Level 5
,
Lesson 9
Under discussion
Please help.
public class Circle { public double x; public double y; public double radius; public Circle(double x, double y, double radius) { this.x = x; this.y = y; this.radius = radius; } public Circle(double x, double y) { //write your code here
4/10/19
2420
views
4
comments
0
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