CodeGym
Promotion
CodeGym University
Learning
Courses
Tasks
Surveys & Quizzes
Games
Help
Schedule
Community
Users
Forum
Chat
Articles
Success stories
Activity
Reviews
Subscriptions
Light theme

Help with tasks

  • Reviews
  • About us
Start
Start learning
Start learning now
  • All questions
  • Cory Keller
    Level 4
    Sankt Johannisberg
    Question about the task Crossing the road blindly
    Java Syntax, Level 4, Lesson 4
    Under discussion
    SO I used the modulo....Switched to the modulo but the system won't verify the yellow. Any ideas why? When I put numbers to get yellow it shows yellow.
    • 2/22/20
    • 1409views
    • 1comment
    0
  • Adam S
    Level 22
    Gliwice
    Question about the task Flip the array
    Java Syntax, Level 7, Lesson 4
    Resolved
    please help me fellow programmers :)a little hit pls.
    • 1/9/20
    • 1564views
    • 5comments
    0
  • Art
    Level 13
    Chisinau
    Question about the task Functionality is not enough!
    Java Syntax, Level 10, Lesson 11
    Under discussion
    Work perfectly on Intelij, but fails on here - as usually.Please help me find that little mistake lol
    • 3/24/20
    • 1002views
    • 5comments
    0
  • Wojtek
    Level 23
    Solec-Zdroj
    Question about the task MovieFactory
    Java Core, Level 4, Lesson 8
    Under discussion
    What is wrong here?need help
    • 2/15/19
    • 1893views
    • 6comments
    1
  • Johannes
    Level 27
    Centurion, Pretoria
    Question about the task Sorting even numbers from a file
    Java Core, Level 3, Lesson 11
    Resolved
    program only reading 1 line, then exiting my while loop ?Please help ?
    • 3/24/20
    • 1130views
    • 6comments
    0
  • Jonas
    Level 41
    Vilnius
    Question about the task TableAdapter
    Java Core, Level 9, Lesson 3
    Resolved
    Please help me formatting the answer, I don't get itPlease explain what should be the format of the answer and why my code is not verifying. I have tried multiple format variations but nothing works. Thanks for your help.
    • 3/24/20
    • 963views
    • 3comments
    0
  • Ivaylo Trifonov
    Level 26
    Madrid
    Question about the task Replacing numbers
    Java Core, Level 9, Lesson 11
    Archived
    Why the verification did not accept my solution!?
    • 10/21/19
    • 1556views
    • 4comments
    0
  • Henry Yao
    Level 22
    Pasadena
    Question about the task Changing functionality
    Java Syntax, Level 7, Lesson 12
    Under discussion
    throw nullpointer exception even pass the requirement , any ideas ? thanks! ArrayList listUpperCase = new ArrayList(); for (int i = 0; i < list.size(); i++) { String s = list.get(i); int len = s.length(); if(len%2==0){ listUpperCase.add(s+" "+s); } else if((len%2!=0)){ l
    • 3/24/20
    • 1047views
    • 2comments
    0
  • Sanjay Chauhan
    Level 28
    Delhi
    Question about the task The richest
    Java Core, Level 9, Lesson 11
    Resolved
    can you please explain the requirement more clearlyDear CodeGymMember, Requirement is not clear to me, will it be possible to explain it more? Thank you. Have a nice day, Sanjay Chauhan
    • 3/24/20
    • 1405views
    • 2comments
    0
  • priss
    Level 18
    Roosendaal
    Question about the task Sorting three numbers
    Java Syntax, Level 4, Lesson 6
    Under discussion
    why my program is not being verified coz everything is fine here import java.io.*; public class Solution { public static void main(String[] args) throws Exception { //write your code here BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); int a = Integer.parseInt(reader.readLine()); int b = Integer.
    • 3/24/20
    • 947views
    • 1comment
    0
  • Paul
    Level 26
    Jyvaskyla
    Question about the task Minesweeper (Part 9/16)
    Games, Level 0, Lesson 0
    Under discussion
    Final condition failed. Code works as requestedLike others, I am having trouble with the final condition. I used a different method for the recursion, making a List that adds the coordinates of all neighbours that also need to be run through openTile(x,y). Line 38 clearly makes those cells show nothing with "". I have also tried commenting out
    • 3/23/20
    • 1283views
    • 3comments
    0
  • Cristian
    Level 16
    Bucharest
    Question about the task Remove and insert
    Java Syntax, Level 7, Lesson 6
    Under discussion
    I have a problem with the two last requirements. Why? Thanks a lot.package com.codegym.task.task07.task0711; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Scanner; /* Remove and insert */ public class Solution { public static void main(String[] args) throws Exception { ArrayList list =
    • 10/31/19
    • 1340views
    • 4comments
    0
  • Ákos Kovács
    Level 10
    Budapest
    Question about the task To the top of the list
    Java Syntax, Level 7, Lesson 6
    Resolved
    Unable to satisfy last 2 requirementsPlease check my code.
    • 1/16/20
    • 1362views
    • 1comment
    0
  • holybible
    Level 28
    Plovdiv
    Question about the task Inner 3
    Java Multithreading, Level 3, Lesson 4
    Resolved
    How to complete thisI do not really get what the last two requirements want, It seems to me everything is okay.
    • 9/25/19
    • 1372views
    • 2comments
    0
  • Raqib Gazi
    Level 11
    Question about the task Longest string
    Java Syntax, Level 7, Lesson 6
    Archived
    So i got the right answer after 45 - 50 min...So i got the right answer after 45 - 50 minutes BUT the requirements are not being met. Would anyone please review why this may be the case?
    • 3/24/20
    • 1071views
    • 2comments
    2
  • max
    Level 8
    livorno
    Question about the task Playing Javarella
    Java Syntax, Level 7, Lesson 9
    Resolved
    help i don't understandciao to all, when i'm trying to test my code i received following error message: ILLEGAL START OF EXPRESSION PUBLIC STATIC VOID PRINTLIST...... What's going wrong? Tnks for your help Max
    • 3/23/20
    • 887views
    • 2comments
    0
  • Cam
    Level 15
    Bogota
    Question about the task Even numbers
    Java Syntax, Level 4, Lesson 13
    Under discussion
    whats going on?it gives me error on the mod symbol: expecting variable. why is that? I am running that exact code on a laptop and it runs just fine.
    • 3/24/20
    • 962views
    • 1comment
    0
  • Alban
    Level 14
    Kukes
    Question about the task Crossing the road blindly
    Java Syntax, Level 4, Lesson 4
    Under discussion
    Helpp please !!!!What to do..
    • 3/21/20
    • 1071views
    • 3comments
    0
  • Dusernajder
    Level 20
    Budapest
    Question about the task Transactionality
    Java Core, Level 7, Lesson 10
    Resolved
    It works fine in my IDEI've made an isDebugging boolean variable, so I could check what is going on in the code. I made two text files list and remove, here are those and the output:
    • 9/28/19
    • 1884views
    • 3comments
    0
  • CREATIVE COMMON
    Level 4
    Nashik
    Question about the task Currency exchange
    Java Syntax, Level 3, Lesson 3
    Under discussion
    4 requirements not met please help i am not getting any output for my program please suggest and highlight my error as my program is compling but with no solution help
    • 3/24/20
    • 1012views
    • 1comment
    0
  • Patrick Moreland
    Level 27
    Kirkland
    Question about the task Nice weather
    Java Core, Level 3, Lesson 11
    Resolved
    Failing First ConditionMy solution runs and prints the three weather types. It fails this condition though: The Today class must implement the Weather interface. I created a Today interface with the getWeatherType() method, and my Today class implements the Today interface. What could the problem be? I didn't see the i
    • 3/24/20
    • 1011views
    • 1comment
    0
  • Caleb
    Level 16
    Harmony
    Question about the task Number of letters
    Java Syntax, Level 10, Lesson 11
    Under discussion
    Output looks correct but does not verify.The output looks correct but the verification fails at output to the screen.
    • 3/23/20
    • 1087views
    • 2comments
    0
  • gabe
    Level 6
    Greenville
    Question about the task Minimum of four numbers
    Java Syntax, Level 2, Lesson 8
    Resolved
    error: class, interface, or enum expectedhow do i solve this
    • 3/20/20
    • 1093views
    • 6comments
    0
  • Wei Cui
    Level 39
    Newark
    Question about the task Prevent cloning
    Java Multithreading, Level 1, Lesson 8
    Resolved
    Cant solve last requirementPlease help, i cant figure out the last condition, please have some hint
    • 11/19/19
    • 1386views
    • 2comments
    0
  • Denis
    Level 22
    Kharkiv
    Question about the task Shared list
    Java Core, Level 7, Lesson 10
    Under discussion
    Help me pls with a full codehelp (
    • 6/28/19
    • 1603views
    • 2comments
    0
  • Jacek
    Level 1
    Warsaw
    Resolved
    "Nerd Break" on task13 not working"Nerd Break" on https://codegym.cc/tasks/pl.codegym.task.task13.video01 not working. I see only "Wystąpił błąd. Spróbuj jeszcze raz później (identyfikator odtwarzania: xtPSyVJDAEGXcwnk)."
    • 3/23/20
    • 1018views
    • 2comments
    0
  • Johannes
    Level 27
    Centurion, Pretoria
    Question about the task Selectable and Updatable
    Java Core, Level 3, Lesson 2
    Resolved
    Why are the interfaces suddenly deemed "abstract" ?Why are the interfaces suddenly deemed "abstract" ? Is it because the "public" access modifier was left out ? Passed the requirements, but don't know why I had to create the class and overridden methods "abstract".
    • 3/21/20
    • 1029views
    • 2comments
    0
  • Azhar Iqbal
    Level 18
    Multan
    Question about the task Synchronized notes
    Java Core, Level 7, Lesson 4
    Resolved
    Where the problem is ?Not able to identify mt mistakes.
    • 10/11/18
    • 2212views
    • 5comments
    0
  • hidden #10468516
    Level 5
    Question about the task Triangle of eights
    Java Syntax, Level 4, Lesson 13
    Under discussion
    please i am bit confusedNot sble to find what is the problem in my code
    • 7/26/19
    • 1369views
    • 5comments
    1
  • Fadi Alsaidi
    Level 34
    Carrollton, TX
    Question about the task Building a file
    Java Core, Level 8, Lesson 11
    Resolved
    Code does what it suppose to do, still can't passWhat is the secret to passing this task
    • 3/22/20
    • 1182views
    • 1comment
    0
  • 1
  • ...
  • 221
  • 222
  • 223
  • 224
  • 225
  • ...
  • 374
Learn
  • Registration
  • Java Course
  • Help with Tasks
  • Pricing
  • Java Syntax
Community
  • Users
  • Articles
  • Forum
  • Chat
  • Success Stories
  • Activity
  • Affiliate Program
Company
  • About us
  • Contacts
  • Reviews
  • Press Room
  • CodeGym for EDU
  • FAQ
  • Support
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.
Follow us
Interface language
English
Deutsch Español हिन्दी Français Português Polski বাংলা 简体中文 मराठी தமிழ் Italiano Bahasa Indonesia 繁體中文 Nederlands 日本語 한국어 Bulgarian Danish Hungarian Basa Jawa Malay Norwegian Romanian Swedish Telugu Thai Українська Filipino Turkish Azərbaycan Русский Vietnamese
Programmers Are Made, Not Born © 2026 CodeGym
MastercardVisa
Programmers Are Made, Not Born © 2026 CodeGym