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  • All questions
  • MecoS
    Level 16
    Question about the task R or L
    Java Syntax, Level 7, Lesson 9
    Under discussion
    I don't understand why this did not function..Please help.
    • 28.11.2019
    • 904views
    • 1comment
    0
  • Artur Jarosz
    Level 30
    Lublin
    Question about the task Sequential file output
    Java Core, Level 6, Lesson 13
    Under discussion
    Can't find an error.Hi all. Can't find an error. The message is "Be sure that the getFileContents method returns all the file contents, not just a part of it. " I have tried many files and everytime the output is correct. Can someone give me a little hint? Thanks!
    • 28.11.2019
    • 1072views
    • 1comment
    0
  • Cristian
    Level 16
    Bucharest
    Question about the task One large array and two small ones
    Java Syntax, Level 7, Lesson 4
    Under discussion
    The last condition isn't acomplished. Why? Thanks a lot.package com.codegym.task.task07.task0705; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Scanner; /* One large array and two small ones */ public class Solution { public static void main(String[] args) throws Exception { int[] list = new int[20];
    • 30.10.2019
    • 1195views
    • 2comments
    2
  • Vasagio
    Level 5
    Gdynia
    Under discussion
    Level 3, Lesson 3I click on "verify" and nothing happens. Tried to refresh page couple of times, but it's still the same. Also, in previous task with "repeat the following code" there is no code, just blank space. In the task there is nothing under "requirements".
    • 06.11.2019
    • 787views
    • 1comment
    1
  • Chucky1985
    Level 3
    Regensburg
    Under discussion
    Dividing is good - No Class in the treeI have a problem to run all of the excercises in Level 3. There is no class tree behind, I´m not able to run any code. What class do I need to implement, where to implement the main method? Is this a bug or have I missed out all this info?
    • 07.11.2019
    • 1216views
    • 2comments
    1
  • Erhan H.
    Level 23
    Istanbul
    Question about the task Prices 2
    Java Core, Level 8, Lesson 11
    Under discussion
    Need helpNeed help
    • 27.11.2019
    • 1168views
    • 3comments
    0
  • Ethan
    Level 7
    Hannover
    Question about the task Sorting three numbers
    Java Syntax, Level 4, Lesson 6
    Resolved
    why isn't it working???package com.codegym.task.task04.task0420; /* Sorting three numbers */ import java.io.*; public class Solution { public static void main(String[] args) throws Exception { //write your code here BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.i
    • 26.11.2019
    • 1387views
    • 4comments
    0
  • chinchillo
    Level 6
    Question about the task Rule of the triangle
    Java Syntax, Level 4, Lesson 4
    Under discussion
    Any idea whats wrong?Seems right to me.
    • 17.11.2019
    • 783views
    • 3comments
    0
  • Ethan
    Level 7
    Hannover
    Question about the task This age doesn't work for me…
    Java Syntax, Level 4, Lesson 1
    Under discussion
    my program fails over and over! and idk why... please helppublic class Solution { public static void main(String[] args) { Person person = new Person(); System.out.println("Age is: " + person.age); person.adjustAge(person.age); //System.out.println("Adjusted age: " + person.age); } public static class Person {
    • 25.11.2019
    • 1169views
    • 5comments
    0
  • Nicolas Huet
    Level 41
    Provins
    Question about the task Working with Java 8's DateTime API
    Java Collections, Level 10, Lesson 10
    Under discussion
    And of course exact same problem here as the previous taskAny help would be very welcomed :)
    • 27.11.2019
    • 849views
    • 2comments
    0
  • Andrew
    Level 29
    Seattle
    Question about the task Chat (part 16)
    Java Multithreading, Level 6, Lesson 15
    Resolved
    Can't get a < break; >Take a look at the bottom of the Client class. I've tried both switch block and if-else block and the results are the same. I'm wracking my brain to think of why the exception wouldn't be thrown correctly. I tried putting the exception test just after receive(), but it REALLY didn't like that. Al
    • 28.05.2019
    • 1204views
    • 5comments
    0
  • Serg
    Level 23
    Tyumen
    Question about the task Family relations
    Java Syntax, Level 2, Lesson 2
    Under discussion
    Why code is written like this: man.wife = woman; woman.husband = man; ?What does the code mean? man.wife = woman; woman.husband = man; Why is a variable set like this? man.wife woman.husband And what is the value of this variable? How can it be used? And the main thing: why variables are set like this - through a point, using a point?
    • 18.04.2019
    • 1318views
    • 1comment
    1
  • Francisco Rey
    Level 3
    Carluke
    Question about the task Minimum of three numbers
    Java Syntax, Level 2, Lesson 8
    Under discussion
    what's wrong? It is doing what is asked, but not completing don't know why.
    • 27.11.2019
    • 923views
    • 2comments
    0
  • LucGar
    Level 22
    Bilbao
    Under discussion
    Problem "no class to display"Hello, i am have a problem (i think) with the first lesson of the level 3, when i try to do the task in the window appear "no class to display", and this appear in the rest of task.
    • 09.11.2019
    • 957views
    • 3comments
    1
  • Fer
    Level 4
    Valencia
    Under discussion
    I am getting a very weird output when I type on my keyboard using your Java compiler while doing the tasksSomething is wrong with your tasks. I am getting this output after typing just s and then y where you write your program and the more I type, the more random letters are displayed on the screen. Please help: package com.codegym.task.task01.task0126; /* Don't feel like it? Do it anyway. */ publi
    • 22.08.2019
    • 959views
    • 2comments
    0
  • krystian
    Level 9
    Kozle
    Question about the task Maximum of four numbers
    Java Syntax, Level 4, Lesson 6
    Under discussion
    Can someone help me? I do not know what is wrong with that code public class Solution {
    • 27.11.2019
    • 699views
    • 2comments
    0
  • Keerthana Vijayakumar
    Level 19
    Mumbai
    Question about the task Minesweeper (Part 6/16)
    Games, Level 0, Lesson 0
    Under discussion
    Please help me to figure my mistake outEvery time it's showing like "You are checking for the field that is a mine", even i tried by changing the conditions.
    • 17.07.2019
    • 937views
    • 1comment
    0
  • Павел Артеменко
    Level 41
    Krasnodar
    Question about the task Prices 2
    Java Core, Level 8, Lesson 11
    Under discussion
    Please, help!This code passed all my tests, updated product resides on the same line as before update, but requirement 3 somehow not met... What am I doing wrong, or how to change code to pass requirement 3?
    • 25.04.2019
    • 1509views
    • 1comment
    0
  • Erhan H.
    Level 23
    Istanbul
    Question about the task Finding data inside a file
    Java Core, Level 8, Lesson 11
    Under discussion
    Need helpNeed help.
    • 27.11.2019
    • 1075views
    • 1comment
    0
  • Shalini
    Level 1
    Mumbai
    Under discussion
    Needs project or topic of projectI m in the final year and need projects (language Php, java, Html, or any other language). Please help me
    • 18.08.2019
    • 1087views
    • 2comments
    0
  • Anastassia
    Level 5
    Sofia
    Question about the task Rule of the triangle
    Java Syntax, Level 4, Lesson 4
    Resolved
    Any help with this task?It seems that my code is OK (tried different versions), but still giving me errors. Any help will be appreciated! :)
    • 27.11.2019
    • 900views
    • 2comments
    0
  • Ilia Kalugin
    Level 25
    Novara
    Question about the task Even and odd digits
    Java Syntax, Level 6, Lesson 5
    Under discussion
    what's wrong in my code?Could somebody give me answer why my code is wrong? It satisfies all conditions.
    • 27.11.2019
    • 1107views
    • 1comment
    0
  • Picvajzmen
    Level 20
    Belgrade
    Question about the task Prices 2
    Java Core, Level 8, Lesson 11
    Resolved
    I need a fresh pair of eyes pleaseI can not find a mistake, if anyone can point it out, i would be very grateful. Thanks
    • 25.11.2019
    • 1368views
    • 5comments
    0
  • Francisco Silva
    Level 6
    Reykjavik
    Question about the task Task about algorithms
    Java Syntax, Level 5, Lesson 12
    Archived
    Last Requirement Can't get the last requirement to work and I don't understand why? Code seems to have the correct output.
    • 27.11.2019
    • 889views
    • 2comments
    0
  • Jen P
    Level 26
    Question about the task Unzipping a file
    Java Collections, Level 1, Lesson 10
    Under discussion
    Can anyone help to give me some clues on where my code is wrong ?I also tried to do a local test, what I did is : create a local zip file, for example zip a music.map file to musicmp3.zip. I then use zip musicmp3.zip --out splitArchive.zip -s 3m Then I ll get files like: splitArchive.z01 // Zip archive splitArchive.z02 // for some reason mac shows it as ` Doc
    • 23.08.2019
    • 1214views
    • 1comment
    0
  • Erhan H.
    Level 23
    Istanbul
    Question about the task Prices
    Java Core, Level 8, Lesson 11
    Resolved
    My tests are OK but it doesn't verifyCan you please give me an advice..
    • 26.11.2019
    • 974views
    • 2comments
    0
  • hidden #10538281
    Level 10
    Question about the task Labels and numbers
    Java Syntax, Level 4, Lesson 7
    Resolved
    Problem with "Zero"Hello! The task requirements are not met. Could you please tell me what I got wrong with the "zero" requirement? Thank you so much!
    • 31.10.2019
    • 1741views
    • 3comments
    0
  • hidden #10538281
    Level 10
    Question about the task Do we have a pair?
    Java Syntax, Level 4, Lesson 4
    Resolved
    Can't see the errorWhere is the error? Thanks!
    • 23.11.2019
    • 1116views
    • 3comments
    0
  • hidden #10538281
    Level 10
    Question about the task Seasons on Terra
    Java Syntax, Level 4, Lesson 4
    Resolved
    Why it doesn't compile?Hello, Could anyone please tell me why it doesn't compile? (I've tried at the end with both "else if" and just "else", but that's not the problem). The compiler says "error: not a statement". Thank you very much!
    • 28.10.2019
    • 919views
    • 3comments
    0
  • yi
    Level 20
    Toronto
    Question about the task Kind Emma and the summer holidays
    Java Syntax, Level 8, Lesson 8
    Under discussion
    Can someone explian what is wrong here?Is this the way to get the answer? if it is, can someone explian me what should I need to edit here ? Or it is just wrong. Thanks
    • 26.11.2019
    • 1010views
    • 2comments
    0
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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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