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  • All questions
  • Kyle Akuya (Wicked98)
    Level 18
    United States of America
    Question about the task Binary to hexadecimal converter
    Java Syntax, Level 10, Lesson 2
    Under discussion
    Right Output but not passing task requirementsThe output I get from this code is correct, but it isn't passing the task requirements (specifically the first two). Why do I keep on having this issue? Please help.
    • 27.10.2023
    • 211views
    • 2comments
    0
  • FelixUjo
    Level 35
    Gijón
    Question about the task Splitting a file
    Java Core, Level 8, Lesson 5
    Resolved
    I don't think I understand what void write(byte[] buff,int form, int count) is doing.I don't think I understand what void write(byte[] buff,int form, int count) is doing.
    • 24.10.2023
    • 242views
    • 2comments
    0
  • koko
    Level 1
    Under discussion
    efp hack pubg hack efp
    • 26.10.2023
    • 168views
    • 0comments
    0
  • Justin Smith
    Level 41
    Greenfield, USA
    Question about the task Knowledge is power!
    Java Multithreading, Level 4, Lesson 9
    Under discussion
    I can get it sorting correctly, but I don't understand the Formatting part at allI vaguely understand what ChoiceFormat does (it says that it's meant for controlling how singular/plurals work, but CG is using it differently here). I understand that there are two arrays, filelimits and filepart, and that the indexes of the former match up with the indexes in the latter. For examp
    • 14.01.2022
    • 956views
    • 3comments
    1
  • - FniJnn -
    Level 33
    Paris
    Question about the task Refactoring, anonymous classes
    Java Multithreading, Level 4, Lesson 9
    Resolved
    How to create a new object of an anonymous class ?Everything is in the title, thanks :)
    • 27.01.2020
    • 1372views
    • 4comments
    2
  • Bertalan
    Level 10
    Question about the task Inheriting methods
    Java Syntax, Level 8, Lesson 7
    Under discussion
    Buggy tasks?I'm maybe doing something wrong, but unless I exit this task and reenter it, it just shows the same class in every file, even for the default starting point. Same with the other inheritance task before this. i just pushed show correct solution in the end and published that
    • 22.10.2023
    • 205views
    • 0comments
    0
  • Week Kee
    Level 1
    Under discussion
    Gui java write code in java GUI intellij swing for school management system project
    • 16.10.2023
    • 247views
    • 1comment
    0
  • rousal.mart
    Level 1
    Under discussion
    How do I change the programing language?How do I change the programing language?
    • 19.10.2023
    • 211views
    • 1comment
    0
  • Nicolas Huet
    Level 41
    Provins
    Question about the task Sometimes anonymity is so nice!
    Java Multithreading, Level 3, Lesson 8
    Under discussion
    Not passing ONE condition, the USER one...Every condition is passing with exactly the same method, but the USER one won't, even if it's correctly displaying everything. Can someone help me? EDIT: there are no " ' " in my real solution, that was just a desperate attempt
    • 16.08.2019
    • 1424views
    • 1comment
    1
  • Kyle Akuya (Wicked98)
    Level 18
    United States of America
    Question about the task A cubed cube calculator
    Java Syntax, Level 7, Lesson 3
    Under discussion
    Ninth degree method should work , what is wrong ? I have implemented everything and it appears that the ninth Degree method should work , but I keep on getting that I'm not able to pass the second requirement: The ninthDegree() method must return the result of raising the passed number to the power of nine. What is going wrong for this code?
    • 18.10.2023
    • 267views
    • 2comments
    0
  • Sára Göblová
    Level 26
    Prague
    Question about the task Word search
    Java Core, Level 10, Lesson 10
    Under discussion
    it runs smoothly but the verification fails with "the list returned by detectAllWords method is not the right size"I dont understnad why the last condition is not satisfied
    • 23.02.2020
    • 1114views
    • 5comments
    0
  • Marcin Olech
    Level 41
    Kraków
    Question about the task MyMultiMap
    Java Collections, Level 6, Lesson 10
    Under discussion
    remove() and keySet() not passingHey, I have the same output as commented in main (also tested it a bit and everything works fine) but it's not passing. keySet() seems obvious (or not?). @Override public Set keySet() { return map.keySet(); } remove(): @Override public V remove(Object key) {
    • 15.01.2020
    • 1574views
    • 5comments
    2
  • Denis
    Level 22
    Kharkiv
    Question about the task Another interruption
    Java Core, Level 6, Lesson 10
    Under discussion
    Last condition. HelpPls give me some advice
    • 27.06.2019
    • 1096views
    • 3comments
    1
  • Kyle Akuya (Wicked98)
    Level 18
    United States of America
    Question about the task Creating a two-dimensional array
    Java Syntax, Level 6, Lesson 6
    Under discussion
    How to fix this ? Why am I getting errors? Hello All, I'm still encountering error after running the following code. I'm not sure what I'm missing here. I thought I established all my variable correctly.
    • 16.10.2023
    • 260views
    • 1comment
    0
  • Harshit Garg
    Level 23
    Chandigarh
    Question about the task Two iPhones
    Java Syntax, Level 11, Lesson 5
    Resolved
    didnt understand the problem errorSecond requirement is not being met.. Requirements: • The IPhone class must override the public boolean equals(Object) method. • The equals method must return true for two equal IPhone objects and false for different ones. • The equals method must return false if null is passed to it. it also says
    • 18.09.2023
    • 604views
    • 10comments
    0
  • FelixUjo
    Level 35
    Gijón
    Question about the task CRUD
    Java Core, Level 7, Lesson 10
    Resolved
    I do not understand the mentor's recommendationsI don't know how to be sure that the Person object is added to the list and how to be sure that the size of the list does not change when the object is updated.
    • 14.10.2023
    • 263views
    • 1comment
    0
  • Amantai
    Level 47
    Shymkent
    Question about the task Thread priorities
    Java Multithreading, Level 8, Lesson 6
    Resolved
    Help is neededWhy is the task not accepted? All these constructors were produced by IntelliJ IDEA(Alt+Insert), I just added the logic to the corresponding two constructors. Validation result: Error in com/codegym/task/task28/task2805/MyThread.java on line 58 no suitable constructor found for Thread(java.lang.Thr
    • 14.10.2023
    • 604views
    • 5comments
    0
  • Inferno
    Level 5
    Rewa
    Question about the task Maximum of entered numbers
    Java Syntax, Level 4, Lesson 5
    Under discussion
    Requirements error All requirements are satisfied but still it's showing error in requirement "System must show the output".
    • 14.10.2023
    • 288views
    • 2comments
    0
  • Inferno
    Level 5
    Rewa
    Question about the task We show what we get
    Java Syntax, Level 4, Lesson 4
    Under discussion
    Requirements erroroutput is according to requirement but still requirements not complete
    • 04.10.2023
    • 202views
    • 2comments
    0
  • digger
    Level 18
    CodeGym University in India
    Question about the task Second smallest number entered
    Java Syntax, Level 4, Lesson 5
    Resolved
    my solution is correct but its not accepting. idk Whyplease correct me if I am wrong anywhere.
    • 30.11.2022
    • 524views
    • 3comments
    0
  • Anonymous #11149234
    Level 6
    United States of America
    Question about the task Second smallest number entered
    Java Syntax, Level 4, Lesson 5
    Under discussion
    any ideas with my solution? pleaseI am getting some of the tasks but I am missing something here! anyone can help me or give me some ideas?? please
    • 05.11.2022
    • 645views
    • 4comments
    0
  • sagar thakur
    Level 6
    CodeGym University in India
    Question about the task Second smallest number entered
    Java Syntax, Level 4, Lesson 5
    Under discussion
    What is wrong with my solution?import java.util.Scanner; /* Second smallest number entered */ public class Solution { public static void main(String[] args) { Scanner console = new Scanner(System.in); int min = Integer.MAX_VALUE; int secondMin = Integer.MAX_VALUE; while (console.hasNextInt
    • 08.03.2023
    • 518views
    • 2comments
    0
  • Anonymous #11408642
    Level 1
    Bryanston
    Under discussion
    which command is used to codea valuesif for displaying text command is System.out.println which command is for values
    • 12.10.2023
    • 201views
    • 1comment
    0
  • konchada vinay
    Level 2
    Question about the task What is ClassLoader?
    Java Collections, Level 5, Lesson 10
    Under discussion
    what is javahow to use java
    • 10.01.2023
    • 305views
    • 1comment
    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
    • 246views
    • 3comments
    0
  • Shraddha Lambat
    Level 20
    Mumbai
    Question about the task Creating our own list
    Java Syntax, Level 16, Lesson 3
    Resolved
    Why its failcapacity=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
    • 448views
    • 4comments
    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 solutionIn 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
    • 588views
    • 5comments
    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
    • 1493views
    • 3comments
    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
    • 910views
    • 7comments
    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
    • 1619views
    • 5comments
    2
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CodeGym CodeGym is an online course for learning Java programming from scratch. This course is a perfect way to master Java for beginners. It contains 1200+ tasks with instant verification and an essential scope of Java fundamentals theory. To help you succeed in education, we’ve implemented a set of motivational features: quizzes, coding projects, content about efficient learning, and a Java developer’s career.
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