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  • All questions
  • Lawson
    Level 29
    Lagos
    Question about the task Positive and negative numbers
    Java Syntax, Level 4, Lesson 4
    Resolved
    Pls I didn't get any of the tasks write...I need heloThe questions seem a little bit confusing
    • 7/26/20
    • 821views
    • 1comment
    0
  • hidden #10568956
    Level 9
    Question about the task Positive number
    Java Syntax, Level 4, Lesson 7
    Resolved
    It works but it don't work.My code does what is intended to do but some how i can't get one of the validation. >>>>>The program should display the number of positive numbers in the original set.<<<<<<
    • 1/6/20
    • 1492views
    • 6comments
    0
  • Jeremi Nuer
    Level 7
    San Francisco
    Question about the task Task about algorithms
    Java Syntax, Level 5, Lesson 12
    Under discussion
    Trying to initialize maximum so that it will incorporate all negative numbers.At first, I was setting maximum as 0, and telling the program to only increase the maximum if the number was greater than 0. The problem became that when all the numbers are less than 0, nothing happens, the maximum stays at 0. No matter how low I set the maximum, this problem stays. The solution I
    • 7/27/20
    • 693views
    • 3comments
    0
  • Iliri Cani
    Level 37
    Tirana
    Question about the task RMI (part 2)
    Java Collections, Level 2, Lesson 10
    Under discussion
    Whats wrong with this!!last condition doesn't validate.
    • 9/10/19
    • 1664views
    • 5comments
    0
  • Filip
    Level 4
    Karlovac
    Question about the task Sum of the digits of a three-digit number
    Java Syntax, Level 3, Lesson 12
    Under discussion
    Sum of the digits of a three-digit numberWhats wrong with my code? Could anyone help!
    • 11/19/18
    • 4118views
    • 13comments
    0
  • Hari
    Level 8
    Worcester
    Question about the task Positive and negative numbers
    Java Syntax, Level 4, Lesson 7
    Under discussion
    how to check condition for 0. I can't write x = 0 && y =0 && z=0package com.codegym.task.task04.task0429; /* Positive and negative numbers */ import java.io.*; import java.util.*; public class Solution { public static void main(String[] args) throws Exception { //write your code here Scanner scanner = new Scanner(System.in);
    • 7/24/20
    • 676views
    • 4comments
    0
  • Mysnikol Miller
    Level 7
    Lutsen
    Question about the task Number of days in the year
    Java Syntax, Level 4, Lesson 4
    Resolved
    The code works so WHY is it not validating?I cannot figure out how to get this to validate. The code works.
    • 7/27/20
    • 569views
    • 1comment
    0
  • joshua
    Level 25
    thorville
    Question about the task Snake (Part 9/20)
    Games, Level 0, Lesson 1
    Resolved
    how is the last requirement not met!!!i don't understand...can u explain
    • 4/24/20
    • 1362views
    • 12comments
    0
  • Seferi
    Level 22
    Question about the task Initializing cats
    Java Syntax, Level 5, Lesson 7
    Resolved
    Little help please...We already did a similar (or exactly same) exercise.. I don't get why this doesn't work now...
    • 6/18/20
    • 977views
    • 5comments
    0
  • hidden #10589341
    Level 19
    Question about the task Safe retrieval from a list
    Java Syntax, Level 10, Lesson 11
    Resolved
    What is wrong in my code????I can not fine the better solution. Please help me !!! Thanks a lot.
    • 3/5/20
    • 1259views
    • 2comments
    1
  • George
    Level 6
    Chiajna
    Question about the task Do we have a pair?
    Java Syntax, Level 4, Lesson 4
    Under discussion
    all 3 are equalI don't know what i did wrong here
    • 7/27/20
    • 575views
    • 1comment
    0
  • flioletty
    Level 7
    Dolgoprudnyy
    Question about the task Checking the order
    Java Syntax, Level 7, Lesson 9
    Under discussion
    help plsit writes "illegal start of expression" in line 27 and I totally dont understand whyyy
    • 7/27/20
    • 773views
    • 2comments
    0
  • Brad Reed
    Level 19
    Hartford
    Question about the task Animal identification
    Java Core, Level 2, Lesson 2
    Resolved
    Can’t use else....No matter what I do I can’t get this to compile. If I leave the bottom part alone, incorrect values. If I use an else statement (or even else if) I get missing return statement }. When it’s clearly there. So then I tried doing instanceof, fo the end and it tells me that’s an unreachable statement. S
    • 7/13/20
    • 590views
    • 1comment
    0
  • Niladri pradhan
    Level 33
    Mumbai
    Question about the task Restaurant (part 7)
    Java Multithreading, Level 9, Lesson 15
    Under discussion
    Whats wrongI don't understand why it didn't pass verification
    • 1/6/20
    • 960views
    • 2comments
    0
  • Learner
    Level 16
    Question about the task The code won't compile…
    Java Syntax, Level 9, Lesson 11
    Resolved
    Program too too long and closed. What's wrong?What am I missing here?
    • 9/25/18
    • 2867views
    • 6comments
    1
  • Nicolas Huet
    Level 41
    Provins
    Question about the task Restaurant (part 5)
    Java Multithreading, Level 9, Lesson 15
    Archived
    Please help :)It seems that I fuflill the conditions, the output is correct. I don't know why this doesn't validate... If someone could point me the right direction so I can continue this big task that would be awsome! Thanks in advance
    • 10/17/19
    • 1488views
    • 15comments
    0
  • Naina Sahu
    Level 4
    Mumbai
    Question about the task Part of a calculator
    Java Syntax, Level 2, Lesson 2
    Under discussion
    what is the code by declaring only two variables.
    • 1/18/19
    • 1957views
    • 3comments
    0
  • BlueJavaBanana
    Level 37
    Question about the task Array of string lists
    Java Syntax, Level 10, Lesson 11
    Resolved
    Any deas why I am failing the first Requirements?The program seems to function as expected. But it is failin to pass first requirement.
    • 4/26/20
    • 1177views
    • 3comments
    1
  • Sebastian Fyhr
    Level 41
    Stockholm
    Question about the task Number of letters
    Java Syntax, Level 10, Lesson 11
    Under discussion
    last condition...Hi, Please assist me what cause the last condition to fail. I tried it without using a hasmap, just printing it on line 46 instead of adding to the Map.
    • 6/12/20
    • 610views
    • 2comments
    1
  • hidden #10625598
    Level 23
    Question about the task Hippodrome (part 15)
    Java Multithreading, Level 1, Lesson 16
    Under discussion
    what should i display here if not this? line 39
    • 7/26/20
    • 584views
    • 2comments
    0
  • 王诗凯
    Level 23
    Redwood City
    Question about the task What's in the folder?
    Java Collections, Level 1, Lesson 4
    Resolved
    Really need some help!I test my code well on the local machine, how ever, it failed on the website and even didn't show which condition I hadn't match! Wired...
    • 7/24/20
    • 596views
    • 3comments
    0
  • Seferi
    Level 22
    Question about the task Census
    Java Syntax, Level 8, Lesson 8
    Resolved
    What am I doing wrong?Tried it with equals as well to no avail...
    • 7/4/20
    • 720views
    • 1comment
    0
  • Jesús de Llera
    Level 23
    Badajoz
    Question about the task Building a file
    Java Core, Level 8, Lesson 11
    Resolved
    Not all file input streams were closed??Hi everyone, Apparently there is a stream that needs to be closed. It might be that I'm going blind or something but I can only see three streams in my code. Hope you can see the missing stream that is not being closed : | Thanks in advance!
    • 6/8/19
    • 1694views
    • 2comments
    0
  • Filip
    Level 4
    Karlovac
    Question about the task Seasons on Terra
    Java Syntax, Level 4, Lesson 4
    Resolved
    checkSeason methodWhat is wrong?
    • 11/27/18
    • 2882views
    • 4comments
    0
  • hidden #10645646
    Level 16
    Question about the task Chicken factory
    Java Core, Level 4, Lesson 6
    Under discussion
    Anyone else sick of the validator?First of all, yes I know I added code but that was just to illustrate that the code works like it's supposed to. Here's the output I get: 25 I am a chicken. I come from Africa. I lay 25 eggs a month. 15 I am a chicken. I come from North America. I lay 15 eggs a month. 12 I am a chicken. I come fro
    • 7/25/20
    • 460views
    • 1comment
    0
  • andy 6473
    Level 9
    Bangalore
    Question about the task Longest sequence
    Java Syntax, Level 8, Lesson 6
    Under discussion
    What is wrong in my codeaasada
    • 7/21/20
    • 637views
    • 2comments
    0
  • Maxine Hammett
    Level 19
    San Diego
    Question about the task Functionality is not enough!
    Java Syntax, Level 10, Lesson 11
    Under discussion
    number should also be displayed it must not be lostI don't get what I'm doing wrong here. I have the code check if name is empty, if it is add to the hashmap "", id. Why am I getting number should also be displayed error?
    • 7/24/20
    • 521views
    • 2comments
    0
  • Timothy Strickland
    Level 6
    Fairfax
    Question about the task Checking the order
    Java Syntax, Level 7, Lesson 9
    Under discussion
    Need helpCode doesn't work, no idea as to why, doesn't print anything at all.
    • 7/25/20
    • 566views
    • 2comments
    0
  • Brad Reed
    Level 19
    Hartford
    Question about the task Different methods for different types
    Java Core, Level 5, Lesson 12
    Resolved
    Help.Only the integer part of the task fails, everything else passes. not sure why the integer line fails. I've tried or (||) and and (&&) both fail. but everything else is fine...
    • 7/24/20
    • 843views
    • 2comments
    0
  • Onome Brownly-Otiede
    Level 9
    Galway
    Question about the task Positive and negative numbers
    Java Syntax, Level 4, Lesson 7
    Under discussion
    pls helpI am still stuck with this task pls help
    • 7/14/20
    • 585views
    • 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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