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Java 25
All quests
All levels
Any status
Questions about tasks
Hot
hidden #10602322
Level 3
Question about the task
Minimum of three numbers
Java Syntax
,
Level 2
,
Lesson 8
Under discussion
whatis it really is mean
Error = The min method must return the minimum of the numbers a, b, and c.
4/24/20
1149
views
2
comments
0
Sidd
Level 7
Maple Valley
Question about the task
Come on, lucky seven!
Java Syntax
,
Level 4
,
Lesson 4
Under discussion
Plz help
How does this not work????
4/28/20
1181
views
4
comments
0
Sidd
Level 7
Maple Valley
Question about the task
Closest to 10
Java Syntax
,
Level 4
,
Lesson 4
Resolved
Plz help
How on earth is this wrong
4/28/20
1052
views
2
comments
0
Petyo Spasov
Level 11
Asenovgrad
Question about the task
Longest string
Java Syntax
,
Level 7
,
Lesson 6
Archived
I can't understend what is wrong.
I can't understend what is wrong.
4/28/20
1330
views
1
comment
0
Bryce Lindley
Level 9
Olympia
Question about the task
Playing Javarella
Java Syntax
,
Level 7
,
Lesson 9
Resolved
Missing something
all the lists are printed from printmethod on a new line. Seems like I did it correctly but I must be missing something in the code? Thanks for looking!
4/28/20
1014
views
3
comments
0
Dawid
Level 28
Wroclaw
Question about the task
Threads and bytes
Java Core
,
Level 8
,
Lesson 11
Under discussion
Please help !
Please help !
4/20/20
1071
views
1
comment
0
The Real GDG
Level 8
Adelaide
Question about the task
Task about algorithms
Java Syntax
,
Level 5
,
Lesson 12
Resolved
Parsing issue?
I get the following issue: com/codegym/task/task05/task0532/Solution.java:29: error: reached end of file while parsing } ^ but cannot work out why it has reached end of file even though my "for" loop condition should stop reading the file after the fifth read (using the supplied numbers). Any i
2/24/20
1321
views
5
comments
0
Denis
Level 22
Kharkiv
Question about the task
Exception when working with numbers
Java Syntax
,
Level 9
,
Lesson 6
Under discussion
Help pls(((
Give me the solution pls
6/20/19
1505
views
6
comments
0
Koliber101
Level 22
Szczecin
Under discussion
I can't publish or run the game. The error occurs is: An error occurred: APP_PUBLISH_ERROR
4/28/20
978
views
3
comments
0
John W Lolo
Level 8
Coos Bay
Question about the task
Calculate the circumference of a circle
Java Syntax
,
Level 2
,
Lesson 2
Resolved
Why so many decimal places? 31.400000000000002
public class Solution { public static void main(String[] args) { printCircleCircumference(5); } public static void printCircleCircumference(int radius) { System.out.println(2*3.14*radius); } } Why is the output 31.400000000000002? I would expect 31.4
4/27/20
1236
views
4
comments
0
Sarah Suß
Level 25
Hamburg
Question about the task
Build a WHERE query
Java Multithreading
,
Level 2
,
Lesson 9
Under discussion
Last requirement
I tried it on my own, then compared my approach with the ones in the forums but it still doesn't validate. Output is as required. Can anyone help please?
2/10/20
1343
views
7
comments
0
Bryce Lindley
Level 9
Olympia
Question about the task
Task about algorithms
Java Syntax
,
Level 5
,
Lesson 12
Resolved
Last Condition
I understand if the N amount is 0 or less but I don't understand why line 20 doesn't satisfy that last requirement. Any tips? Thanks
4/22/20
1336
views
2
comments
1
Lex Medeiros
Level 18
San Jose
Question about the task
Greater than 10? You're not a good fit for us
Java Syntax
,
Level 8
,
Lesson 8
Resolved
be sure that the removeAllNumbersGreaterThan10 method works with sets of any size.?
Could anyone tell me what i am doing wrong? The issue is in the loop, but I just assume it can work on any set size.
4/8/19
2375
views
9
comments
0
hidden #10550504
Level 10
Question about the task
Streets and houses
Java Syntax
,
Level 7
,
Lesson 4
Archived
It says me "Carefully check the displayed text. It looks like you made a typo."
Where is the mistake in my code? Thank you
4/26/20
1087
views
4
comments
0
Dorian
Level 7
Mumbai
Question about the task
Maximum of four numbers
Java Syntax
,
Level 4
,
Lesson 6
Resolved
The program seems to work completely fine, yet it keeps showing that the conditions aren't satisfied... Kindly check what could be wrong in this code
package com.codegym.task.task04.task0419; /* Maximum of four numbers */ import java.io.*; import java.util.Scanner; public class Solution { public static void main(String[] args) throws Exception { //write your code here Scanner sc = new Scanner(System.in); int a = s
3/8/20
1186
views
6
comments
0
ashish more
Level 2
Nagpur
Under discussion
dark matters
sir my dark matters over what i do?
4/28/20
785
views
1
comment
0
Liew
Level 10
Question about the task
HashMap of 10 pairs
Java Syntax
,
Level 8
,
Lesson 3
Under discussion
help :'(
I can't pass the last 2 requirements for some reason. Tried adding commas and full stop as well but don't seem to work.
4/28/20
1096
views
1
comment
0
tony
Level 20
Nis
Question about the task
Exception when working with numbers
Java Syntax
,
Level 9
,
Lesson 6
Resolved
why it's not verified
What is not correct?
1/5/19
1833
views
5
comments
0
Wei Cui
Level 39
Newark
Question about the task
Aggregator (part 5)
Java Collections
,
Level 8
,
Lesson 15
Under discussion
how to fix last
plz help me
4/22/20
1094
views
1
comment
0
Abhilash Ravichandran
Level 10
Kigali
Question about the task
Getters and setters for the Dog class
Java Syntax
,
Level 5
,
Lesson 5
Resolved
getName method clarification
In the getName method, don't we need to specify it as public String getName() { return this.name; // rather than just 'return name'? }
9/1/18
2315
views
5
comments
0
LucGar
Level 22
Bilbao
Question about the task
User, loser, coder and programmer
Java Core
,
Level 4
,
Lesson 8
Under discussion
are there other form_?
will there be another way to pass the exercise without using if loop? I have been testing using the "Class.forName" method, but have not got results. Class cl = Class.forName(key); Person.cl person = Person.new cl(); System.out.println(person);
4/1/20
1165
views
2
comments
0
Mikayla Pace
Level 27
Salt Lake City
Question about the task
User, loser, coder and programmer
Java Core
,
Level 4
,
Lesson 8
Under discussion
Requirement 2 Not Verifying
The code runs as expected, outputs the correct output and closes when anything else is input, however, it won't verify.
8/5/19
1258
views
5
comments
0
Ntuthuko Xaba
Level 18
Johannesburg
Question about the task
Most frequent bytes
Java Core
,
Level 8
,
Lesson 3
Resolved
Can't find help in the help section.
Please Help.
4/27/20
882
views
2
comments
0
hidden #10602322
Level 3
Question about the task
Minimum of four numbers
Java Syntax
,
Level 2
,
Lesson 8
Under discussion
I don't know what to do😐❓
what we code in different place and why
4/27/20
1098
views
1
comment
0
Rittu Paul
Level 6
Delhi
Question about the task
Financial expectations
Java Syntax
,
Level 3
,
Lesson 12
Under discussion
I don't know what's wrong. The final condition is not met
public class Solution { public static void main(String[] args) throws Exception { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
4/27/20
915
views
1
comment
0
Patrick freeman
Level 14
Buffalo
Question about the task
Hey, are you alive?
Java Core
,
Level 3
,
Lesson 2
Resolved
Return type
For this problem, am I supposed to initialize a boolean variable, and add a return boolean variable; line in the isAlive method?
11/10/19
1601
views
2
comments
1
Branka
Level 41
Belgrade
Question about the task
MVC (part 3)
Java Multithreading
,
Level 4
,
Lesson 14
Resolved
Can't pass the last condition.
I cannot pass the last condition. I get NullPointerException when I run the verification. I suppose that I haven't done everything correctly in the controller: public void onShowAllUsers(){ model.loadUsers(); usersView.refresh(model.getDataModel()); } Can someone please he
4/26/20
1387
views
3
comments
0
hidden #10602322
Level 3
Question about the task
Max, Bella, and Jack
Java Syntax
,
Level 2
,
Lesson 3
Under discussion
why we do this dog dog........
why it has not any output
4/20/20
963
views
1
comment
0
Vidya Pb
Level 5
Ernakulam
Question about the task
Multiplication table
Java Syntax
,
Level 3
,
Lesson 6
Under discussion
Why are they giving for loops?
The easiest way to do such type of questions is to use for loop. But they haven't touched this topic yet. So why are they giving such kind of questions? Any hidden agenda behind this?
10/27/19
1567
views
3
comments
0
Rismitha Ismail
Level 2
Mumbai
Question about the task
Pay raise
Java Syntax
,
Level 2
,
Lesson 2
Resolved
This is my code...can anyone please help me to solve
package com.codegym.task.task02.task0205;
4/23/20
1005
views
2
comments
0
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