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  • All questions
  • Gummy C
    Level 11
    United States of America
    Question about the task Filling an array flexibly
    Java Syntax, Level 7, Lesson 2
    Under discussion
    Question for my understandingSo, this is the given code. public class Solution { public static void main(String[] args) { Integer[] array = new Integer[5]; fillArray(array, 3, 1, 3); System.out.println(Arrays.toString(array)); } public static void fillArray(Integer[] array, int value, int
    • 1/5/23
    • 437views
    • 2comments
    0
  • public enum WaysToDie
    Level 23
    Denver
    Question about the task Creating threads recursively
    Java Core, Level 6, Lesson 13
    Under discussion
    How did I get here?My program seems to fulfill all the requirements, it recursively creates and displays 15 threads following the listed instruction. Yet if you notice the test requirements, my program is still failing. Any help would be appreciated.
    • 1/3/22
    • 1161views
    • 3comments
    0
  • Mishal Goswami
    Level 1
    Jakarta
    Under discussion
    codinghow to learn coding?
    • 1/7/23
    • 323views
    • 0comments
    0
  • sreedhar s
    Level 1
    Wellington
    Question about the task Working with dates
    Java Syntax, Level 8, Lesson 11
    Resolved
    Verification failingReccomendation from the mentor : "The isDateOdd() method returns an incorrect value. Test it with different dates." Can you help to identify where I am doing wrong? Thank you :)
    • 1/7/23
    • 558views
    • 3comments
    0
  • JIMMYS73
    Level 43
    Ukraine
    New
    Problem with pluginHi, I have a problem with plugin. Every time I'm launch IDEA 2022.3 i have error messge What can be done ?
    • 12/11/22
    • 571views
    • 0comments
    1
  • Przemek
    Level 25
    Lublin
    Question about the task Serializing people
    Java Core, Level 10, Lesson 10
    Under discussion
    Short questionI know my mistake and I will correct that soon but at at first in can anybody explain me better word ,,transient'' why do we use transient tp ,,full Name''?
    • 5/20/21
    • 614views
    • 3comments
    0
  • Gummy C
    Level 11
    United States of America
    Question about the task Correct order
    Java Syntax, Level 6, Lesson 1
    Under discussion
    What is wrong?I got the array to reverse the order, why doesn't my code pass??
    • 1/2/23
    • 515views
    • 2comments
    0
  • Evan
    Level 33
    United States of America
    Question about the task Second smallest number entered
    Java Syntax, Level 6, Lesson 2
    Resolved
    Issue w/ validationCan anyone point out why this is not validating? Much appreciated!
    • 12/16/22
    • 652views
    • 3comments
    0
  • Mats Main
    Level 0
    Under discussion
    why so expensive and not germanhello why is this site so expensive and why no german language
    • 4/21/20
    • 1092views
    • 1comment
    1
  • Swarnadip Saha
    Level 2
    Kolkata
    Under discussion
    Can I run my own codes in this appI want to do some codes other than the tasks .Where and How to do them
    • 1/2/23
    • 373views
    • 1comment
    0
  • hidden #11220344
    Level 3
    Under discussion
    Task assistanceWhen reading numbers, I noticed in an example that variables were being used without first being initialised. What's up with that?
    • 1/2/23
    • 463views
    • 3comments
    0
  • Pavlo
    Level 13
    Ilmenau
    Question about the task Multiplication table
    Java Syntax, Level 4, Lesson 5
    Under discussion
    Char instead of String for Space (" ")I suppose using ' ' instead of " " leads to adding an ASCII value of ' ' to my i*j term. Is there any other possibility to tell compiler that I mean Character and not it's ASCII value? Of course I can use String, but it appears to me not that efficient.
    • 12/10/22
    • 913views
    • 4comments
    0
  • Gummy C
    Level 11
    United States of America
    Question about the task Remove duplicate strings
    Java Syntax, Level 5, Lesson 3
    Under discussion
    Fresh codeI don't understand why my code is not passing the test. I have tried different variations of inputs to make sure that it works and it does. Can someone please explain to me what I am doing wrong?
    • 1/1/23
    • 467views
    • 5comments
    0
  • Anonymous #11240343
    Level 2
    CodeGym University in India
    New
    doubtin system. out. println("name= " + name) ; why + operator used?
    • 1/1/23
    • 523views
    • 0comments
    0
  • Dulsara
    Level 10
    Colombo
    Question about the task Remove duplicate strings
    Java Syntax, Level 6, Lesson 4
    Under discussion
    What is wrong with my code? Scanner scanner =new Scanner(System.in); strings=new String[6]; for(int j=0;strings.length>j;j++){ strings[j]=scanner.nextLine(); } for(int i=0;strings.length>i;i++){ for(int k=i+1;strings.length>k;k++){
    • 12/31/22
    • 517views
    • 2comments
    0
  • Cloudclark
    Level 1
    Aurora
    Under discussion
    how to redeem premium code?How do you redeem a premium code?
    • 12/3/22
    • 414views
    • 1comment
    0
  • hendra gunawan
    Level 9
    tebing tinggi
    Question about the task Creating a multi-array
    Java Syntax, Level 6, Lesson 6
    Resolved
    what wrong with my code?I have displayed all numbers in multiArray..but the result that I am stuck with last point
    • 12/30/22
    • 536views
    • 2comments
    0
  • Ilia Kalugin
    Level 25
    Novara
    Question about the task Minesweeper (Part 5/16)
    Games, Level 0, Lesson 0
    Resolved
    Verification of the penultimate item failsBe sure that a mine is created with a probability of 10%. Whats wrong in my code?
    • 9/24/20
    • 771views
    • 4comments
    0
  • Tiko hakobyan
    Level 20
    Yerevan
    Question about the task One for all, all for one
    Java Core, Level 6, Lesson 10
    Resolved
    am i missing something? first requirement wont pass.
    • 7/4/20
    • 743views
    • 4comments
    2
  • Baljinder Singh
    Level 20
    Toronto
    Question about the task No interrupt, no dice?
    Java Core, Level 6, Lesson 10
    Under discussion
    Give me a hint, how to interrupt without using interrupt()
    • 10/29/18
    • 1946views
    • 6comments
    0
  • matemate123
    Level 50
    Kraków
    Question about the task Reading a file
    Java Core, Level 3, Lesson 11
    Resolved
    And now I pass 4 condition but 3 is now on red.This topic with streams is so unclear, vague. I sit on this task but how I could do?
    • 12/28/22
    • 676views
    • 2comments
    0
  • Gummy C
    Level 11
    United States of America
    Question about the task Remove duplicate strings
    Java Syntax, Level 5, Lesson 3
    Under discussion
    I know I am asking a lot Hi all, I know that I am asking a lot. But, I was able to get the code working, however, I do not really understand how it is working. So, my thought process went something like this. 1. We make an array with 6 elements. 2. We take the user's input and store it in each index. 3. We create a loop
    • 12/29/22
    • 602views
    • 2comments
    0
  • yashwanth j v
    Level 1
    Jakarta
    Under discussion
    java code construction of decoder in digital electronics
    • 12/29/22
    • 451views
    • 0comments
    0
  • Jurij Thmsn
    Level 29
    Flensburg
    Question about the task Arkanoid (part 8)
    Java Multithreading, Level 3, Lesson 13
    Resolved
    why Math.max(...)?I already solved the task. I get how and why we calculate the distance between two points - but I don't understand one given part of the code: why we check if the distance is less than the bigger radius of the two objects? Shouldn't we check if the distance is less than the both radiuses added tog
    • 10/19/21
    • 718views
    • 1comment
    1
  • Gummy C
    Level 11
    United States of America
    Question about the task Even and odd cells of an array
    Java Syntax, Level 5, Lesson 0
    Under discussion
    What is wrong with my code?I ran the code and it shows the correct solution. I am not sure what is wrong with it
    • 12/28/22
    • 441views
    • 6comments
    0
  • EDDIE SANCALA JR
    Level 6
    Caraga DAVAO ORIENTAL
    Question about the task Even and odd cells of an array
    Java Syntax, Level 5, Lesson 0
    New
    Solution package en.codegym.task.pro.task05.task0502; /* Even and odd cells of an array */ public class Solution { public static final String ODD = "Odd"; public static final String EVEN = "Even"; public static String[] strings = new String[5]; public static void main(String[] args) {
    • 12/27/22
    • 375views
    • 0comments
    0
  • matemate123
    Level 50
    Kraków
    Question about the task Reading a file
    Java Core, Level 3, Lesson 11
    Under discussion
    The BufferedReader must also be closed.But I closed it. I was reading other people problem with this task , and I don't understand whats going on with this closing stream. Please some hint.
    • 12/27/22
    • 491views
    • 1comment
    0
  • Gummy C
    Level 11
    United States of America
    Under discussion
    What is wrong with my code. It is printing the frame but I am getting an extra B on the side. int a=0; while(a<10){ int b=0; if(a ==0 || a==9){ while(b<20){ b++; System.out.print("B"); } }else{ System.out.println("B B"); } a++; }
    • 12/27/22
    • 366views
    • 0comments
    0
  • slyyx
    Level 15
    New York City
    Question about the task Snake (Part 6/20)
    Games, Level 0, Lesson 1
    Resolved
    Error says there are no arguments in the Snake constructor?Getting the following error: com/codegym/games/snake/part06/Snake.java:12: error: constructor GameObject in class com.codegym.games.snake.part06.GameObject cannot be applied to given types; public Snake(int x, int y){ ^ required: int,int found: no arguments
    • 7/19/20
    • 1089views
    • 1comment
    0
  • Dustin Lerch
    Level 9
    United States of America
    Question about the task Minesweeper (Part 3/16)
    Games, Level 0, Lesson 0
    New
    What is this ??? I just want the game to launch. (LINUX)Can anyone provide some advice ? I didnt do anything with task 3 yet because I dont want to continue until i can figure out how to launch this game via linux OS /home/dustinlerch/.jdks/corretto-1.8.0_352/bin/java -javaagent:/home/dustinlerch/idea-IC-221.5080.210/lib/idea_rt.jar=44107:/home/dustinle
    • 12/24/22
    • 473views
    • 0comments
    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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