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Java 25
All quests
All levels
Any status
Questions about tasks
Hot
Eike Holtzhauer
Level 22
Tostedt
Question about the task
Big Ben
Java Core
,
Level 6
,
Lesson 7
Under discussion
Requirements are not met - need a hint
Hi I have no clou what´s wrong here. The last three conditions are not met and the only hint from the site is that the requirements are not met. I assume we have to check that all entered times should be processed properly, but I miss more feedback to figure out what´s wrong. Whould be very nice if
8/5/19
1822
views
2
comments
0
AndreiJ
Level 10
Timisoara
Question about the task
Longest string
Java Syntax
,
Level 7
,
Lesson 6
Archived
error on requirements 3 and 4
hello. i cant get around of what i'm doing wrong. i ran the program just fine, it gives the longest string, it shows all the longest strings, yet the last 2 conditions come false. any help is appreciated.
7/31/19
1324
views
7
comments
0
Nitin raj
Level 12
Mumbai
Question about the task
In the blue depths of the stack trace…
Java Syntax
,
Level 9
,
Lesson 2
Under discussion
please explain it so confusing
Please anyone explain how StackTrace is shown tweleve here. My brain is totally blank Please explain
8/4/19
1525
views
1
comment
0
karina abad
Level 11
Daly City
Question about the task
Remove and insert
Java Syntax
,
Level 7
,
Lesson 6
Under discussion
Can't get the answer, don't get the question.
package com.codegym.task.task07.task0711; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; /* Remove and insert */ public class Solution { public static void main(String[] args) throws Exception { //write your code here ArrayList
8/3/19
2052
views
2
comments
0
Evghenii
Level 13
Chisinau
Question about the task
Kind Emma and the summer holidays
Java Syntax
,
Level 8
,
Lesson 8
Resolved
CAN SOME BODY HELP ME.
I DON'T SEE THE PROBLEM, PLEASE HELP ME.
6/20/19
1823
views
4
comments
0
KARAN BHOITE
Level 15
Nagpur
Question about the task
Cat code won't compile
Java Syntax
,
Level 7
,
Lesson 12
Under discussion
COMPILED BUT OUT PUT NOT COMING ,GETTING THIS ERROR
java.lang.NullPointerException at com.codegym.task.task07.task0726.Solution.main(Solution.java:21) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(De
8/1/19
1516
views
5
comments
1
Niket
Level 8
Kolkata
Question about the task
Jen or Jen?
Java Syntax
,
Level 4
,
Lesson 6
Resolved
Please Help. Error in ".length()" method
I am not able to understand why length of the string is not working. Please Help. Following is my code import java.io.*; public class Solution { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
1/10/19
2071
views
2
comments
3
Steve
Level 9
Denver
Question about the task
We don't need repeats
Java Syntax
,
Level 8
,
Lesson 8
Under discussion
Not sure what I'm doing wrong here,, stuck!!
Not passing the 4th task
8/2/19
1438
views
1
comment
1
Marcin
Level 22
Edinburgh
Question about the task
Rule of the triangle
Java Syntax
,
Level 4
,
Lesson 4
Under discussion
what is wrong here ?
not sure why last condition failed .... any help please?
7/24/19
1501
views
2
comments
0
TatiE
Level 11
Upland
Question about the task
Task about algorithms
Java Syntax
,
Level 5
,
Lesson 12
Archived
Last requirement is not validating
I think the issue is that the code should not work at all if the number of digits is more than N but mine still works. Am I correct with this assumption? I was trying to fix it but was looking at it for too long now. Need a fresh look and a hint, please.
7/15/19
1579
views
5
comments
2
Keith Emery
Level 17
Saint Louis
Question about the task
Task about algorithms
Java Syntax
,
Level 9
,
Lesson 11
Resolved
Output matches example but code fails
When I submit my code all requirements pass except the following: "The displayed words should be sorted in ascending order (using the provided isGreaterThan method)." I have, in fact, used the IsGreaterThan method and my output is exactly as shown in the task details when I use the example input dat
8/2/19
1553
views
0
comments
0
ddi
Level 18
Dortmund
Question about the task
Fluffy no more
Java Core
,
Level 2
,
Lesson 12
Resolved
it prints I'm cat but doesn't verify! help!
it prints I'm cat but doesn't verify! help!
8/3/19
1934
views
1
comment
0
Augusto
Level 13
Callao
Question about the task
Census
Java Syntax
,
Level 8
,
Lesson 8
Under discussion
What is wrong
Please, Could someone point out what the error is? I can't find it
6/23/19
1457
views
3
comments
0
Nitin raj
Level 12
Mumbai
Question about the task
Only for the rich
Java Syntax
,
Level 8
,
Lesson 8
Under discussion
please help me out
whats wrong with my code
7/28/19
1311
views
4
comments
0
Jacek
Level 13
Warsaw
Question about the task
Checking the order
Java Syntax
,
Level 7
,
Lesson 9
Resolved
I don't know why the code isn't work
I don't know why the index isn't printed.
2/1/19
1654
views
4
comments
0
Mikayla Pace
Level 27
Salt Lake City
Question about the task
Writing to a file from the console
Java Core
,
Level 3
,
Lesson 11
Resolved
Condition 4&5 Don't validate
The output is correct, it writes content to the file, every String is on a new line, why doesn't the program validate.
8/2/19
1492
views
2
comments
0
Ian Rebmann
Level 5
San Diego
Question about the task
Somehow average
Java Syntax
,
Level 4
,
Lesson 16
Under discussion
will pass on intelliJ wont on here
My Program works on IntelliJ Any ideas on why it wont pass the server test? I know I can construct it differently but this should work. I have ran into this problem before.
8/3/19
1274
views
2
comments
0
Antonia
Level 10
Question about the task
Family census
Java Syntax
,
Level 7
,
Lesson 12
Under discussion
help
?
8/2/19
1564
views
2
comments
0
smaranika sahu
Level 5
Pune
Question about the task
I'm 15 again!
Java Syntax
,
Level 1
,
Lesson 4
Resolved
Why my code is wrong?
public class Solution { public static void main(String[] args) { String name = "Amigo"; int age = 15; //int money = 500; //int weight = 70; String s1 ="I'"; String s3="m "; String s2=" again!"; System.out.println(s1+s3+age+s2);
5/9/19
1702
views
3
comments
0
Jay
Level 17
Washington
Question about the task
Task about algorithms
Java Syntax
,
Level 9
,
Lesson 11
Under discussion
Won't compile
I'm constantly getting a NullPointer Exception error. I can't get it to compile to see what I need to change. Please assist. Thanks.
8/2/19
1139
views
3
comments
0
Dawid
Level 28
Question about the task
Max, Bella, and Jack
Java Syntax
,
Level 2
,
Lesson 3
Under discussion
Meaning of activities performed in the task.
Well, I understand that dog1, dog2 and so on are variables of type Dog that is created by Class Dog. I understand that we creating two new objects too. But now I dont quite get it what these objects really are. Since "Dog" appears twice in this context I conclude that it is not object's name but obj
8/2/19
1451
views
1
comment
0
dibidebe
Level 7
Question about the task
One large array and two small ones
Java Syntax
,
Level 7
,
Lesson 4
Under discussion
??
What's missing?
7/30/19
1738
views
4
comments
0
Milos
Level 16
Podgorica
Question about the task
Arithmetic mean
Java Syntax
,
Level 5
,
Lesson 5
Resolved
The second solution doesn't work.Why ?
Can I get an explanation to understand this better: I can see that this is working : BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); int sum = 0; int counter = 0; double mean; for (; true; counter++) { String input = reader
7/27/19
1317
views
1
comment
0
deemneem
Level 11
Mumbai
Question about the task
Streets and houses
Java Syntax
,
Level 7
,
Lesson 4
Archived
run well but does not verify
package com.codegym.task.task07.task0706; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; /* Streets and houses */ public class Solution { public static void main(String[] args) throws Exception { int[] house = new int[15]; Buffer
7/29/19
1037
views
1
comment
0
Michał Kwaśny
Level 22
Krakow
Question about the task
Vowels and consonants
Java Syntax
,
Level 9
,
Lesson 11
Under discussion
Last Requirement not satisfied
Any ideas what could be the reason of this bug? I have added the spaces at the end of Strings.
7/10/19
1238
views
4
comments
0
Ondrej
Level 8
Koeln
Question about the task
Console-based piggy bank
Java Syntax
,
Level 5
,
Lesson 12
Resolved
What is wrong?
Hello guys, what is wrong with this code? So far, I have figured out that it takes the first input number and every second thereafter.
7/30/19
1415
views
2
comments
0
Denis
Level 22
Kharkiv
Question about the task
"Fix the code", part 1
Java Core
,
Level 2
,
Lesson 6
Under discussion
Give me your help pls!
help me pls with solution
6/22/19
1150
views
1
comment
0
Nitin raj
Level 12
Mumbai
Question about the task
We don't need repeats
Java Syntax
,
Level 8
,
Lesson 8
Under discussion
can any one please explain
I think my code is corect but why task condition is not met
7/28/19
1186
views
1
comment
0
Gannoju Ikshwak
Level 2
Hyderabad
Question about the task
The required number
Java Syntax
,
Level 2
,
Lesson 5
Under discussion
what to do
what should i comment out to get 19
6/23/19
1403
views
3
comments
0
Antonia
Level 10
Question about the task
More Sam-I-Am
Java Syntax
,
Level 7
,
Lesson 9
Under discussion
please
help
7/29/19
1391
views
2
comments
0
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