Page 13 | CodeGym online Java course - Help

catalin1989
Level 37
Question about the task Numeral system converter
Java Multithreading, Level 10, Lesson 2
Resolved
Is my logic wrong?I haven't worked a lot with conversions, maybe I have some flaws in my logic. Here is my logic: 1. First I create a method that verifies if the input ins correct. It tries to parse the number to base 10 using Long.parseLong(value,radix). If the input is not correct it will throw an exception. 2.If t
3/26/24
373views
5comments
0
Ijaz Ahmed
Level 1
Under discussion
more programs than stories please add more java programs than dtoties
3/21/24
280views
0comments
0
Amira Alshaar
Level 50
Question about the task Changing shoes on the move
Java Syntax, Level 5, Lesson 7
Under discussion
Issue with opening tasks in IntelliJ IDEA Subject: Issue with Opening Tasks in IntelliJ IDEA Dear CodeGym Support Team, I hope this email finds you well. I am writing to report an issue I have encountered while using CodeGym within IntelliJ IDEA. Despite the tasks being available, I am unable to open them. The task remains stuck in the
4/15/24
357views
1comment
0
PQK
Level 6
United States of America
Question about the task Maximum of entered numbers
Java Syntax, Level 4, Lesson 2
Resolved
Confusion About The Min Value Of Integers In the official code given by codegym, the max variable is assigned with the min value for an integer. But I don't understand why ? int max = Integer.MIN_VALUE; //max variable being intialized as the min value of integer while (console.hasNextInt()) { int x = console.ne
3/16/24
463views
4comments
2
Rich Piske
Level 30
United States of America
Question about the task Find a substring
Java Multithreading, Level 2, Lesson 5
Under discussion
I get the exact result that we need. Why does it fail validation?If someone wants to explain to me how my version doesn't get the exact same version CodeGym's solution generates, I would love to hear it! Thank you!
3/2/24
340views
2comments
0
Jesú
Level 14
Madrid
Question about the task Changing shoes on the move
Java Syntax, Level 5, Lesson 7
Resolved
IntelliJ opens an unrelated .java when I run code.This is annoying, and I don't know how to fix it. I am trying to run code. I even have my cursor placed in this program. However, when I decide to run the code, an unsolicited .java files comes up. Like, I didn't even ask that program to appear. How can I stop this?
3/7/24
343views
2comments
0
FelixUjo
Level 35
Gijón
Resolved
The methods are in the order indicated by the task. I don't know what the error is.The methods are in the order indicated by the task. I don't know what the error is.
3/2/24
311views
4comments
0
Seggzzy
Level 5
Lagos
Question about the task Parenthetical brainteaser
Java Syntax, Level 3, Lesson 4
Under discussion
Finally Resolved I finally resolved the problem. Understanding of the condition attached to the question, is very important. especially the number of parentheses.
6/12/20
901views
1comment
2
Dave Andrea
Level 41
Question about the task Fix the bug. Comparing objects
Java Multithreading, Level 1, Lesson 5
Under discussion
How to ensure that the hashset of Solutions behaves correctly?I'm failing the 2nd last requirement, but I am not sure why. The task description says that the main method isn't tested, so I don't know how to go about passing this test. I'm getting the correct answer as far as I can tell. I'm just spinning in circles trying to solve this.
6/10/20
1098views
8comments
1
In Ho Kwon
Level 1
Question about the task Binary to hexadecimal converter
Java Syntax, Level 9, Lesson 2
Resolved
toBinary Hello, The result is correct but not pass the task requirements. I think i am missing some details Error message: Be sure that the toBinary(String) method correctly converts the string representation of a hexadecimal number to the string representation of a binary number. Thank you.
1/20/24
552views
2comments
0
Denis
Level 22
Kharkiv
Question about the task Encryption
Java Core, Level 8, Lesson 11
Under discussion
help me pls need help
6/29/19
1530views
4comments
2
Bashka
Level 4
Russia
Question about the task Maximum of entered numbers
Java Syntax, Level 4, Lesson 5
Under discussion
Ups... Hello! Please help me solve it, I'm stuck, I can't do it myself...
4/2/24
333views
5comments
0
Iasu
Level 18
Question about the task Number of letters
Java Syntax, Level 10, Lesson 11
Under discussion
Why am I getting "null" and not the integer "0"....I´m getting "null" and not the number "0"... I have tried so many times now, and it has to do with if statement "map.put(x, 1)" input: Lily Charlie Mia Jacob Sophia Alfie Isabella Freddie Grace Oscar output: a 9 b 2 c 4 d 2 e 6 f 2 g 1 h 2 i 7 j 1 k null l 6 m 1 n null o 3 p 1 q null r 4 s 3 t n
5/18/19
1864views
7comments
0
Christy
Level 5
Question about the task Last digit of a number
Java Syntax, Level 2, Lesson 1
Under discussion
Why did only 2/3 pass for the modulo task?I wrote the following below but I got 2/3 checks passed and I'm not sure why I didn't get 3/3 checks passed. Does anyone have any insight as to why? int last digit; lastDigit = number % 10;
3/5/24
389views
3comments
0
Amira Alshaar
Level 50
Under discussion
Issue with opening tasks in IntelliJ IDEA Subject: Issue with Opening Tasks in IntelliJ IDEA Dear CodeGym Support Team, I hope this email finds you well. I am writing to report an issue I have encountered while using CodeGym within IntelliJ IDEA. Despite the tasks being available, I am unable to open them. The task remains stuck in the
4/14/24
263views
1comment
0
Niladri pradhan
Level 33
Mumbai
Question about the task Archiver (part 8)
Java Multithreading, Level 7, Lesson 15
Resolved
last condition The error shows "If any exception other than a NoSuchZipFileException occurs, then display "An error occurred. Please check the entered data." .please help
12/5/19
1650views
8comments
0
nina fatahi
Level 4
Question about the task Three numbers
Java Syntax, Level 3, Lesson 2
Under discussion
why isnt my code working package en.codegym.task.pro.task03.task0305; import java.util.Scanner; /* Three numbers */ public class Solution { public static void main(String[] args) { //write your code here Scanner s = new Scanner(System.in); int n1 = s.nextInt(); int n2 = s.nextInt();
4/10/24
271views
1comment
0
FelixUjo
Level 35
Gijón
Question about the task Chat (part 10)
Java Multithreading, Level 6, Lesson 15
Under discussion
I am blocked.I don't see the error. I think I have tried everything.
3/31/24
332views
6comments
0
Danila Hnidko
Level 8
Philadelphia
Question about the task Utility class: part 2
Java Syntax, Level 8, Lesson 0
Under discussion
Why i cant run it? Just paid for subscription and the first thing i see " Unable to run"
4/1/24
356views
3comments
0
PQK
Level 6
United States of America
Question about the task Combining arrays
Java Syntax, Level 5, Lesson 1
Resolved
Task Cannot Be Passed !!?Code not working loll 🤬😭
3/24/24
348views
6comments
2
Srividya
Level 3
Bangalore
Question about the task As simple as 2+2
Java Syntax, Level 1, Lesson 8
Resolved
Write a program that calls the sum method with the arguments 2 and 2.Hi, I have tried all possible command lines , but I could not find the solution, Please help. public class Solution { public static void main(String[] args) { int a=2; int b=2; int result=(c); } and then, also tried, public class Solution { pu
9/25/18
6219views
8comments
0
Alban Pajova
Level 3
Chicago
Question about the task Parenthetical brainteaser
Java Syntax, Level 3, Lesson 4
Under discussion
Help with Answer To solve the question start with looking into the factors of 382. That will tell you where the first paranthesis goes.
5/3/20
1626views
6comments
3
Fernando P Spitaliere
Level 6
Atlanta
Question about the task Price of apples
Java Syntax, Level 4, Lesson 1
Under discussion
Just clarifying: The purpose of the method is to add up EACH new apple_object price, and not to display the price of the last apple_object. It wasn't difficult for me to reference the Class's variable, and to assign it the variable passed as argument. My difficulty was to understand what it was asked of me to do with it from the description statement. I mistakenly thought it was to print the last known price, not to accumulate all the p
2/1/19
2555views
5comments
6
Nathan Samson
Level 5
United States of America
Question about the task Positive and negative numbers
Java Syntax, Level 3, Lesson 7
Under discussion
What am i doing wrong here?What am i doing wrong here?
6/26/23
450views
2comments
0
Kiran Kumar Alisam
Level 1
Erie
Under discussion
duplicates public class Solution { public static void main(String[] args) throws Exception { // Read strings from the console and declare an ArrayList here ArrayList list = new ArrayList(); BufferedReader r = new BufferedReader(new InputStreamReader(System.in)); for(int i=0;
3/20/24
308views
1comment
0
Christy
Level 5
Under discussion
Help with this code Can someone help with this and constructively criticize.. I have also included the program I wrote which is very basic but I'm trying to solidify my knowledge on if else statements and loops. I want to write a program that: - takes the user's input - Both integers must be greater than 0. - accepts
3/18/24
379views
3comments
0
Ailana
Level 2
San Carlos
Question about the task One cat isn't enough
Java Syntax, Level 2, Lesson 3
Under discussion
Help plz as fast as u can it says that I didn't make 2 variables but everything else is correct.this is my code public class Solution { public static void main(String[] args) { Cat kitty = new Cat();
8/11/20
676views
3comments
0
Rich Piske
Level 30
United States of America
Question about the task Make a word chain
Java Multithreading, Level 2, Lesson 9
Under discussion
I was really happy with my solution. HOW is it wrong?This has been probably the most frustrating chapter yet with validation. I've tested numerous data sets with my algorithm. It tries starting with all words in the list and returns the longest result. It's worked with everything I've thrown at it, even the ones you guys have suggested. I think th
3/6/24
375views
4comments
2
PQK
Level 6
United States of America
Question about the task Conscription
Java Syntax, Level 3, Lesson 0
Resolved
Is this code acceptable ?I wrote this code for this question and it achieved the desired output stated in the question. But when I verify it, the code was wrong as the last requirement was not met even though the input age (22) is within the specified range. My code also shows that nothing will be displayed if the input age
3/3/24
550views
3comments
2
Yomi Addey
Level 8
Baltimore
Question about the task Arithmetic mean
Java Syntax, Level 5, Lesson 5
Under discussion
I'm having trouble passing tasks 3,4,and 7 Not sure if it's the way I organized my code or...? But, any help will be greatly appreciated!
2/19/21
803views
2comments
0

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