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Questions about tasks
Hot
konchada vinay
Level 2
Question about the task
What is ClassLoader?
Java Collections
,
Level 5
,
Lesson 10
Under discussion
what is java
how to use java
10.01.2023
177
views
1
comment
0
Kyle Akuya (Wicked98)
Level 18
United States of America
Question about the task
Remove duplicate strings
Java Syntax
,
Level 6
,
Lesson 4
Under discussion
Why is my output not matching the desired output?
the output I"m getting is: "Hello"null, "World", "Java", "Tasks"null What is happening, that i"m not getting?
12.10.2023
135
views
3
comments
0
Shraddha Lambat
Level 20
Mumbai
Question about the task
Creating our own list
Java Syntax
,
Level 16
,
Lesson 3
Resolved
Why its fail
capacity=capacity+(capacity+capacity/2); String[] temp = new String[capacity]; for (int j = 0; j < elements.length; j++) { temp[j] = elements[j]; } elements = temp;
06.10.2023
224
views
4
comments
0
Justin Smith
Level 41
Greenfield, USA
Question about the task
Calling a static method
Java Collections
,
Level 5
,
Lesson 4
Under discussion
I don't understand the solution
In the previous lesson: https://codegym.cc/quests/lectures/questcollections.level05.lecture03 They use the following block of example code: class Zoo<T> { ArrayList<T> pets = new ArrayList<T>(); public T createAnimal() { T animal = new T(); pets.add(animal) return anima
18.11.2022
360
views
5
comments
0
Abe
Level 41
Salt Lake City
Question about the task
Wildcards
Java Collections
,
Level 5
,
Lesson 8
Resolved
Help!! Another one I just can't figure out.
I believe this task is looking for something very specific and I cannot figure out what that is (or there is a bug). Has anyone else passed this task? If so, could you give me a little push to help me understand what exactly the 3rd requirement is looking for?
19.11.2019
1192
views
3
comments
1
Andrei
Level 41
Question about the task
Collections & Generics
Java Collections
,
Level 5
,
Lesson 6
Resolved
Can someone please explain why I need 2 < T > before and after ArrayList?
So in line 16 I have the method declaration for newArrayList. For it to be accepted, it needs < T > before and after ArrayList. Please let me know if I have understood this correctly. The second < T > is the return type of the ArrayList. So this method will return an ArrayList that con
13.07.2021
559
views
7
comments
0
Justin Johnson
Level 31
Clearwater
Question about the task
Threads of a string or stringy threads? That's the question
Java Multithreading
,
Level 2
,
Lesson 5
Resolved
Can someone help me please and thank you?
In my code,under the OurUncaughtExceptionHandler class, I have literal strings in place for the StringIndexOutOfBounds info. I need help getting this string from the parameters. If anyone has a solution I could look at, I would appreciate it. Thanks.
21.03.2020
1306
views
5
comments
2
Bertalan
Level 10
Question about the task
Giant cities
Java Syntax
,
Level 7
,
Lesson 5
Under discussion
the answer to this problem is explained in the next lesson
The answer provided by the correct solution is explained in the next lesson, from what I can see..
07.10.2023
120
views
0
comments
0
Deniz Karadal
Level 41
Freinsheim
Question about the task
Bug in equals/hashCode
Java Multithreading
,
Level 1
,
Lesson 5
Under discussion
Any hint which I miss on this?
I need an another eye which needs to put me in the right direction. I simply miss a simple point but have not yet found it.
24.09.2020
490
views
1
comment
1
FelixUjo
Level 35
Gijón
Question about the task
Sequential file output
Java Core
,
Level 6
,
Lesson 13
Resolved
I can't find a solutions. I have tried all methods to check if the thread has started.
I can't find a solutions. I have tried all methods to check if the thread has started.
08.10.2023
146
views
1
comment
0
matemate123
Level 50
Kraków
Question about the task
Adding logging to a class
Java Collections
,
Level 4
,
Lesson 10
Resolved
No idea how to log it
I solved task but still I don't know how to physically log information to the file? I had this error: Maybe someone know what to do because like couple times before 0 information about proper and actual library to download.........
07.10.2023
244
views
3
comments
0
Franek
Level 29
Torun
Question about the task
AmigoSet (part 2)
Java Collections
,
Level 4
,
Lesson 15
Archived
To initialize the map field, use a constructor that lets you pass the initial capacity.
Can someone explain what shoud I do here? What initial capacity ?
11.07.2019
1508
views
2
comments
0
Sornam Ravi
Level 5
Bangalore
Question about the task
Positive and negative numbers
Java Syntax
,
Level 4
,
Lesson 4
Under discussion
where to learn about bufferedReader in the course
Could you please let me know where to learn about bufferedReader in the course
07.10.2023
125
views
1
comment
0
Inferno
Level 5
Rewa
Question about the task
To work or not to work? That is the question
Java Syntax
,
Level 3
,
Lesson 6
Under discussion
Requirements error
I did the same thing.Why is requirment not complete
02.10.2023
159
views
3
comments
0
Bhargav
Level 7
Mountain View
Question about the task
Rule of the triangle
Java Syntax
,
Level 4
,
Lesson 4
Resolved
What is wrong with this code? Triangle without specified sides code isn't working!
I don't understand what is wrong with the code listed below, help would be appreciated! The last requirement for the code is not passing, and I do not see what is wrong with my code. It should have come up with some sort of compiler error if it was purely syntax related, right? Not too sure, and I d
29.12.2020
596
views
5
comments
0
FelixUjo
Level 35
Gijón
Question about the task
Exception invasion
Java Core
,
Level 4
,
Lesson 8
Under discussion
I do not know which exceptions are the same
I do not know which exceptions are the same
18.09.2023
160
views
6
comments
0
jamuna
Level 18
tirunelveli
Question about the task
Different methods for different types
Java Core
,
Level 5
,
Lesson 12
Resolved
i dont know why im getting exceptions after handling it
any one can explain please
06.09.2023
163
views
4
comments
0
Shraddha Lambat
Level 20
Mumbai
Question about the task
Binary to hexadecimal converter
Java Syntax
,
Level 11
,
Lesson 1
Resolved
for converting hex to binary, to check the digits and letters which one is better switch or regular exp as regular exp not cover
the toBinary(String) method contains any character other than digits from 0 to 9 or lowercase Latin letters from a to f, then the method returns an empty string.
07.09.2023
158
views
2
comments
0
Shraddha Lambat
Level 20
Mumbai
Question about the task
Correct order
Java Syntax
,
Level 9
,
Lesson 1
Resolved
how to change the value of array
public static void reverseArray(int[] array) { //write your code here int[] ar=new int[array.length]; for (int i=array.length-1;i>=0;i--) { ar[(array.length-1)-i]=array[i] ; } printArray(ar); }
08.09.2023
338
views
4
comments
0
Shraddha Lambat
Level 20
Mumbai
Question about the task
Two iPhones
Java Syntax
,
Level 13
,
Lesson 4
Resolved
Why its fail, output is currect
if (!(this.model.equals(iphone.model)) && !(this.color.equals(iphone.color)) && !(this.price==(iphone.price))) { b=false; }
14.09.2023
158
views
2
comments
0
FelixUjo
Level 35
Gijón
Question about the task
Horse racing
Java Core
,
Level 6
,
Lesson 5
Resolved
I do not understand why it does not validate it. The result seems correct.
I do not understand why it does not validate it. The result seems correct.
30.09.2023
122
views
3
comments
0
Aditya Sinha
Level 17
Bangalore
Question about the task
Bridges
Java Core
,
Level 4
,
Lesson 8
Under discussion
Not able to fix this
package com.codegym.task.task14.task1409; public class Solution { public static void main(String[] args) { println(new WaterBridge()); println(new SuspensionBridge()); //println(new SuspensionBridge()); //println(new SuspensionBridge()); } public static v
16.02.2019
1462
views
6
comments
1
Bogdan Codreanu
Level 23
Question about the task
Bridges
Java Core
,
Level 4
,
Lesson 8
Resolved
can someone help please
i
15.07.2019
1831
views
5
comments
1
Denis
Level 22
Kharkiv
Question about the task
Bridges
Java Core
,
Level 4
,
Lesson 8
Under discussion
Lat condition. What i must be change?
help me pls with solution
26.06.2019
1112
views
2
comments
1
shovan
Level 22
Kolkata
Question about the task
Useless abstractions
Java Core
,
Level 2
,
Lesson 12
Resolved
cant understand
failing condition ::::::You should be able to create a Horse object
10.06.2019
1383
views
3
comments
1
Dương Tiến Đạt
Level 41
Ha Noi City
Question about the task
Aggregator (part 8)
Java Collections
,
Level 8
,
Lesson 15
Under discussion
Cached version does not work
Cached version The cached version in the link above does not contain any element with the "jobs-search-result-item" class. Can anyone help me with this?
25.04.2023
206
views
3
comments
0
FelixUjo
Level 35
Gijón
Question about the task
Request parser
Java Core
,
Level 5
,
Lesson 12
Under discussion
I don't know what to do.
I do not understand the example outputs. They show different things.
24.09.2023
123
views
1
comment
0
Niladri pradhan
Level 33
Mumbai
Question about the task
Refactoring (part 13)
Java Multithreading
,
Level 5
,
Lesson 16
Resolved
Help
Please Help
04.11.2019
850
views
4
comments
0
baked_turkey
Level 6
Question about the task
Three numbers
Java Syntax
,
Level 3
,
Lesson 5
Under discussion
Problem with output
For some reason it is not printing the right solution, but I think my logic is correct? What did I do wrong?
24.09.2023
159
views
1
comment
0
Dipankar Sinha
Level 22
United States of America
New
method lesson quiz
method lesson quiz answers please. some answer that i chose was wrong. from where the correct answer could be referred.
23.09.2023
94
views
0
comments
0
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