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  • All questions
  • Infamous 711
    Level 4
    Question about the task Plan to conquer the world
    Java Syntax, Level 3, Lesson 8
    Under discussion
    help!!!!!! I am keep getting problem. please help
    • 7/3/20
    • 942views
    • 3comments
    0
  • Tony Roy
    Level 41
    Victorville
    Question about the task Number algorithms
    Java Core, Level 10, Lesson 10
    Resolved
    Results look right, excluding 0 still won't pass. ???Based on web, giving right Armstrong numbers. Following advice on this page, zero is excluded. Don't know what's wrong!! Addendum: With some modifications to the code below I have tried: 1. excluding 0, numbers < N 2. excluding 0, numbers <= N 3. including 0, numbers < N 4. including 0
    • 4/6/20
    • 1471views
    • 5comments
    0
  • Ian Rafferty
    Level 13
    Question about the task Census
    Java Syntax, Level 8, Lesson 8
    Under discussion
    failing last requirement but seems to workUsing the System.out (which I've hidden to verify) it looks like this works. Not sure why it won't pass. any help please guys.
    • 7/10/20
    • 708views
    • 2comments
    0
  • Angus McDonald
    Level 5
    Sydney
    Question about the task Snake (part 10)
    Java Multithreading, Level 2, Lesson 18
    Under discussion
    Initializing snake and roomI know I need to initialise the snake and game variables in the main method... fairly sure. With the snake I'm not sure how to pass the x and y variables it needs to be initialised. I've tried using the getSnake() method. Tried passing my own arbitrary x and y ints. With the game.. I gather I'm no
    • 7/10/20
    • 709views
    • 1comment
    0
  • Tata
    Level 16
    Hisar, Haryana
    Question about the task Task about algorithms
    Java Syntax, Level 9, Lesson 11
    Resolved
    I can't understend pls help me??i am stuck with this.
    • 7/9/20
    • 557views
    • 5comments
    0
  • Kostadin
    Level 6
    Hounslow
    Question about the task Jen or Jen?
    Java Syntax, Level 4, Lesson 6
    Resolved
    i tried in compiler and it is worked proper, where is my mistakei tried in compiler and it is worked proper, where is my mistake
    • 7/2/20
    • 778views
    • 2comments
    0
  • Jhoal
    Level 22
    Berlín
    Question about the task Longest string
    Java Syntax, Level 7, Lesson 6
    Archived
    Problem with the last requirementhi guys, what am I doing wrong? I don't understand why the requirements 4 are not achieve with my code?
    • 7/2/20
    • 654views
    • 2comments
    0
  • Ewerton
    Level 30
    Belo Horizonte
    Question about the task Archiver (part 1)
    Java Multithreading, Level 7, Lesson 15
    Under discussion
    "The server is unable to properly test your solution. Be sure you have all the classes you need. Be sure that your solution doesn't have any infinite loops."Caused by: java.lang.ClassNotFoundException: com.codegym.task.task31.task3110.big01.Solution at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 3 more
    • 7/14/19
    • 1410views
    • 2comments
    0
  • Brandon Horvatic
    Level 27
    Johannesburg
    Question about the task Snake (part 16)
    Java Multithreading, Level 2, Lesson 18
    Under discussion
    Can someone please help..I have tried everything and nothing seems to pass validation. Does anyone see what is wrong?
    • 10/21/19
    • 1342views
    • 6comments
    0
  • pratyush prakash
    Level 2
    patna
    Question about the task Where does a Person come from?
    Java Syntax, Level 2, Lesson 2
    Under discussion
    everytime it is wrong please help me everytime it is saying something or the other missing please can u send me like a full correct program so I can analise it please I m not able to figure it from many days
    • 7/5/20
    • 633views
    • 3comments
    0
  • Michael Martin
    Level 2
    Arlington
    Question about the task Counting words
    Java Core, Level 9, Lesson 5
    Resolved
    Not sure what is separating the word "world" in the fileTrying to use all punctuation as the delimiter. Anybody get this working?
    • 12/18/18
    • 2244views
    • 4comments
    0
  • Sanjeevkumar
    Level 22
    Mumbai
    Question about the task To the top of the list
    Java Syntax, Level 7, Lesson 6
    Under discussion
    How in the world it occurs?i solved the problem but i wont understand the part how the all elements stored in the beginning of list changed for displaying those in reverse order from begin to end. please explain if you know! thanks in advance!
    • 6/9/20
    • 1090views
    • 3comments
    0
  • catalinene
    Level 29
    Greven
    Question about the task Equals and HashCode
    Java Multithreading, Level 1, Lesson 5
    Under discussion
    Equals method returns true and has a criteria definedBut the condition 4: The equals method must return true if the first and last fields are equal to the passed object and the current one (don't forget that they might be null)., fails. public boolean equals(Object o) { if (o == this) { return true; } if (!(o insta
    • 3/16/20
    • 1191views
    • 2comments
    0
  • Vesa
    Level 41
    Kaliningrad
    Question about the task Restaurant (part 21)
    Java Multithreading, Level 9, Lesson 15
    Resolved
    I can't pass the second requirement.Maybe the cause is not in the OrderManager constructor?
    • 6/20/20
    • 819views
    • 2comments
    0
  • Angel Stefan Arjoca
    Level 26
    Bucharest
    Question about the task Static modifiers and kittens
    Java Core, Level 5, Lesson 9
    Resolved
    Any hint?I realy have no idea what to do next...
    • 7/8/20
    • 733views
    • 2comments
    0
  • Brad Reed
    Level 19
    Hartford
    Question about the task Vowels and consonants
    Java Syntax, Level 9, Lesson 11
    Under discussion
    from one problem to the nextI have this pretty much figured out, my only question: how do i remove the errant space between the two "m"'s in my output. everything else works great(now) jsut not sure how to do that.
    • 7/8/20
    • 851views
    • 2comments
    0
  • Anthony Mack
    Level 2
    Waukesha
    Question about the task Brain training
    Java Core, Level 5, Lesson 12
    Under discussion
    Why isn't the program accepting my solution?I fixed the program to get the requested output and even after doing so, it's still not recognizing what's being printed to the screen. Why?
    • 7/8/20
    • 545views
    • 1comment
    0
  • Aryan Yadav
    Level 4
    bikaner
    Question about the task Dividing is good
    Java Syntax, Level 3, Lesson 1
    Resolved
    what is my mistakeit shows an list of errors and not compile it
    • 8/31/18
    • 3061views
    • 7comments
    0
  • pratyush prakash
    Level 2
    patna
    Question about the task Where does a Person come from?
    Java Syntax, Level 2, Lesson 2
    Under discussion
    what is wrong herehelp.
    • 7/7/20
    • 633views
    • 1comment
    0
  • Arun
    Level 17
    Tirupati
    Question about the task Sorting even numbers from a file
    Java Core, Level 3, Lesson 11
    Under discussion
    I am stuck on this task, verification of my mistakes make me helpful to execute it.
    • 6/28/20
    • 1002views
    • 5comments
    0
  • Tata
    Level 16
    Hisar, Haryana
    Question about the task Vowels and consonants
    Java Syntax, Level 9, Lesson 11
    Resolved
    where i'm wrong. I can't be getting the bug.pls help🙏🙏
    • 7/7/20
    • 911views
    • 4comments
    0
  • Der Gamer (GermanNoobGaming)
    Level 0
    Question about the task Minesweeper (Part 3/16)
    Games, Level 0, Lesson 0
    Resolved
    Constructor in GameObject?Hello, I don't understand, what I am supposed to do there. It says, I have to implement a Constructor with x and y in GameObject class, but how?
    • 8/13/19
    • 2333views
    • 3comments
    0
  • catalinene
    Level 29
    Greven
    Question about the task Snake (part 16)
    Java Multithreading, Level 2, Lesson 18
    Under discussion
    How should the head be managed?I don't undestand where the "newHead" should be created and how it affects the existing code, created in the previous tasks.
    • 3/24/20
    • 1358views
    • 1comment
    0
  • dhanush
    Level 30
    Chennai
    Question about the task Day of the week
    Java Syntax, Level 4, Lesson 4
    Resolved
    help meI don't know why I'm getting error in the third requirements
    • 5/23/20
    • 856views
    • 4comments
    0
  • Ed Cab
    Level 15
    Hawthorne
    Question about the task Min and max in arrays
    Java Syntax, Level 7, Lesson 12
    Under discussion
    Any explanation appreciated.Why won't this code pass all conditions , though it yield s the correct result?
    • 7/3/20
    • 614views
    • 3comments
    0
  • Maxine Hammett
    Level 19
    San Diego
    Question about the task Min and max in arrays
    Java Syntax, Level 7, Lesson 12
    Resolved
    Cant get passed test to output max and min valuesI'm so confused. My output is correct. I've checked the syntax and it seems fine. Why am I unable to advance past the third test? Your help is appreciated.
    • 7/6/20
    • 953views
    • 4comments
    0
  • Maxine Hammett
    Level 19
    San Diego
    Question about the task Shuffled just in time
    Java Syntax, Level 7, Lesson 12
    Resolved
    So confusedI don't even know where to begin. Can someone please walk me through how to code this? Thank you
    • 7/7/20
    • 766views
    • 1comment
    0
  • Maxine Hammett
    Level 19
    San Diego
    Question about the task Streets and houses
    Java Syntax, Level 7, Lesson 4
    Archived
    Help figuring out this code pleaseMy code creates an array, fills it then compares its value to odd or even and ouputs the response indicated. The output is correct, but I'm not passing the task verifications. Your help is appreciated.
    • 7/6/20
    • 898views
    • 6comments
    0
  • Massimo Lorenzi
    Level 2
    milano
    Under discussion
    problem level 2 less 2 can anyone tell me why in this case the execution of the program gives me an error?
    • 7/8/20
    • 564views
    • 3comments
    0
  • Kamil
    Level 31
    Near Warsaw
    Question about the task Shortener (6)
    Java Collections, Level 6, Lesson 15
    Resolved
    I've got a bit of a problem hereI know the task will not pass due to missing Date objects. Although I thought it will meet at least most of the requirements but it doesn't, even a single one. Anyone can tell me what's wrong? And how did you use Date class to measure the time? Because obviously System.currentMillis(); would be
    • 4/23/20
    • 898views
    • 2comments
    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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