Page 47 | CodeGym online Java course - Help

wer08
Level 0
Radom
Question about the task Racer (Part 15/28)
Games, Level 0, Lesson 5
Under discussion
Second and third requirement Hi! When i run the game everything runs perfectly but I can't verify second and third requirement. Where did I go wrong ?
7/18/22
576views
1comment
0
Alex Tor
Level 31
Question about the task Second smallest number entered
Java Syntax, Level 4, Lesson 5
Under discussion
My program does its job, but JUDGE won't validate it.Hi guys, pls gimme a hint.
7/13/22
1073views
13comments
0
wer08
Level 0
Radom
Question about the task Racer (Part 10/28)
Games, Level 0, Lesson 5
Under discussion
Where do I have to create road package ?Hi, I tried creating subfolder road in every folder and can't verify it. Help needed
7/15/22
546views
3comments
0
Nobody
Level 37
Seattle
Question about the task Numeral system converter
Java Multithreading, Level 10, Lesson 2
Under discussion
why am i wrong?i checked and have the right answer even check with negative number but still fail with an unclear feedback "you need to implement it right"?
6/14/19
1581views
3comments
2
Cronox79
Level 9
Harker Heights
Question about the task Array of numbers in reverse order
Java Syntax, Level 6, Lesson 3
Under discussion
how do you get this to run in IntelliJ?I am trying to do this task in IntelliJ and it will not work correctly. On the website it already has the list of names but in IDE it doesnt have it attached. How can you work/run a program in the IDE if you dont have all the tools for the program in the plugin?
7/16/22
843views
17comments
0
wer08
Level 0
Radom
Question about the task 2048 (Part 18/18)
Games, Level 0, Lesson 2
Under discussion
ERROR : AN UNKNOWN ERROR OCCURED When i try to run the game a get the error from the title. What could be the problem ?
7/15/22
592views
1comment
0
Justin Smith
Level 41
Greenfield, USA
Question about the task Restaurant (part 16)
Java Multithreading, Level 9, Lesson 15
Resolved
Trying to figure out why this won't pass This task is hard to test because the Date stored in the EventDataRow class is taken from the current date, so the only way I can try to have it match the sample output is to have it generate a couple orders right around before and after midnight to get different dates. Or I would have to edit the c
7/14/22
816views
13comments
0
Mary Khan
Level 23
Russia
Question about the task User, loser, coder and programmer
Java Core, Level 4, Lesson 8
Under discussion
Why I get this error:Why I get this error: com/codegym/task/task14/task1411/Solution.java:15: error: cannot infer type arguments for java.util.HashMap HashMap persons = new HashMap<>(){{ ^ reason: cannot use '<>' with anonymous inner classes Inp
7/14/22
1018views
3comments
0
Anonymous #11016365
Level 39
Detroit
Question about the task Convert a list to an array
Java Syntax, Level 19, Lesson 2
Under discussion
Method reference clarification What is the difference between doing this strings.toArray(new String[]{}); and this strings.toArray(String[]::new); They both work but what is the benefit of choosing the latter over the former?
7/12/22
591views
1comment
0
Alex Tor
Level 31
Question about the task Summation
Java Syntax, Level 4, Lesson 3
Resolved
Not sure if I got the conditions right.Hello everyone, my program does precisely what the conditions are stated, but the Judge has a different opinion, pls gimme a hint.
7/12/22
766views
5comments
0
hidden #10994753
Level 46
Question about the task CRUD
Java Core, Level 7, Lesson 10
Resolved
Correct behavior but not validated Hi everybody, My program works correctly, but it has not been validated because of the last requirement, I'm getting this indication but I'm sure it's already covered : Any suggestion please? thanks a lot .
7/11/22
517views
2comments
0
Barsha
Level 4
Eluru
Question about the task Multiplication table
Java Syntax, Level 3, Lesson 6
Under discussion
The task is failing condition: "The displayed text should contain 10 lines". Not sure how to push it to the next line public class Solution { public static void main(String[] args) { //write your code here for(int i=1; i<=10; i++) { for(int j=1; j<=10; j++) { int num=i*j; System.out.print(num+"\t");
7/14/20
1188views
3comments
0
Florin1
Level 1
Question about the task File in a static block
Java Core, Level 5, Lesson 12
Resolved
The program ran too long and was closed...I tried the following: - absolute path; - relative path; - placed it in the root of a drive; - placed on desktop so as to be more accessible; I also did tests and the lines are read properly. However, when submitting the material, I get time out (The program ran too long and was closed) Any ideas
7/11/22
711views
3comments
0
Josephine
Level 1
Normal
Question about the task Space Invaders (Part 6/34)
Games, Level 0, Lesson 6
Under discussion
Can someone please check this?Can someone check this? The Shapematrix didn't create it own...So i copied .. All the requirements are coded .But it is not passing..
7/11/22
576views
1comment
0
Josephine
Level 1
Normal
Question about the task Space Invaders (Part 5/34)
Games, Level 0, Lesson 6
Under discussion
What is wrong with my draw(Game) method?Please help What is wrong with my draw(Game) method?Please help
7/9/22
633views
2comments
0
Andrew
Level 7
Charlotte
Question about the task Price of apples
Java Syntax, Level 3, Lesson 4
Under discussion
I do not understand where Apples came from. I don't understand why it's Apple.applePrice + applesPrice instead of Apple.applePrice + Apple.apple2Price... since you're adding the prices of apple1 and apple2.
2/17/22
944views
2comments
0
Denil Pepa
Level 7
Munich
Question about the task Number of days in the year
Java Syntax, Level 4, Lesson 4
Under discussion
Help?Hello, I don`t know what is wrong with the last Task...🤔
9/26/20
868views
2comments
0
TempanyJ
Level 6
Question about the task Positive and negative numbers
Java Syntax, Level 3, Lesson 7
Resolved
-10 input is outputting -9 but won't pass the test? I am not understanding why my solution isn't passing the 'If the entered number is negative, increase it by one and display the result.' test. When i input a negative number and run my code it outputs the correct answer e.g -10 outputs -9 but i can't pass the tests? Any hints for this would be appre
5/11/22
1159views
10comments
1
Mack
Level 20
Osiedle-Nowiny
Question about the task Comparable
Java Core, Level 7, Lesson 10
Resolved
Help, please Help
12/15/18
3078views
24comments
0
HACKER3000
Level 0
Under discussion
KANN NICHTS MACHEN I have a question that I can not do a single task . the system says an unknown error has occurred. What can I do ?
7/5/22
591views
0comments
0
Greg Martel
Level 5
Under discussion
Solving w/ Math.floor(): what did I do wrong?CodeGym tells me all conditions are met, save "if light is red, print "red" "... I'm pretty sure if (T+2) % 5 == 0 is yielding "yellow", then (T+1) % 5 == 0 should yield "red" no? Thanks so much for your help!
9/13/21
598views
1comment
0
Whisper
Level 31
Question about the task Correct order
Java Syntax, Level 7, Lesson 2
Under discussion
why is this not working The code print the original array twice. The code works just fine under main methods, but it fail when it runs under reverseArray method
7/1/22
636views
2comments
0
Matt.P.72
Level 26
Killen
Question about the task Hexadecimal converter
Java Syntax, Level 9, Lesson 2
Under discussion
where is my mistake public static String toHex(int decimalNumber) { if (decimalNumber <=0) return ""; int i=0; StringBuilder hex= new StringBuilder(); while ((int)(decimalNumber/Math.pow(16,i))>0)i++; int j=i-1; while (decimalNumber>0){ int a =
6/29/22
652views
1comment
0
Fuad Teymurov
Level 2
Question about the task Three numbers
Java Syntax, Level 3, Lesson 5
Resolved
Why this does not pass Please, could someone explain why this does not pass while it works correct ?
6/29/22
787views
2comments
0
Dennis
Level 4
Resolved
Download Wie kann ich die ersten aufgaben machen wenn ich nichtmal ein programm habe wo ich es ausführen kann. Ich brauche den download
12/13/20
979views
2comments
2
Fabian Andiel
Level 9
Vienna
Question about the task Synchronized methods
Java Core, Level 7, Lesson 10
Under discussion
Solution but I don't understand! - Java Core Level 7, Lesson 10, exercise synchronised methods Hi guys, I got 3 questions 1. Why is param a class variable? It doesn`t have the keyword static. 2.How do I know what is a shared ressource? 3. Why do need the methods 3,4,6 a synchronizsed? Many thanks in advance! Greetings Fabian
2/24/20
1518views
5comments
2
Andre M.
Level 4
Glenn Dale
Question about the task This age doesn't work for me…
Java Syntax, Level 3, Lesson 4
Under discussion
Unclear task requirement Hello. The task requirement states "The Person class's adjustAge method should increase the Person's age by 20." The code for the adjustAge method has age = age+20. I am thinking that this is correct as the formula adds 20 from the passed in class variable. I tried multiplication 20* 20 and age =
12/16/21
1242views
4comments
0
Anonymous #11016365
Level 39
Detroit
Under discussion
Out class has access to private inner class fields?How is it possible that the outer class is able to access the private instance variables of the inner class? In this example, how does the newNode instance have access to the private field value in the outer class method? Here are both classes: public class StringsLinkedList { public v
6/27/22
457views
1comment
0
Anonymous #10798360
Level 8
Woking
Question about the task Arithmetic mean
Java Syntax, Level 5, Lesson 5
Under discussion
I'd appreciate it if someone could help. I think I've done everything else right it's just that I'm stuck in an infinite loop. package com.codegym.task.task05.task0507; /* Arithmetic mean */ import java.io.*; public class Solution { public static void main(String[] args) throws Exception { //write your code here BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); int
6/26/22
606views
1comment
0
Chawin Pathompornvivat
Level 0
Bellevue
Question about the task Snake (Part 1/20)
Games, Level 0, Lesson 1
Under discussion
Stuck on: Game class method must be called with arguments in the initialize method I believe I'm coding the solution to Part 1 right but it is saying I am not for one of the steps: The Game class's setScreenSize(int, int) method must be called with arguments (WIDTH, HEIGHT) in the initialize() method. What am I doing wrong? // organize class into package for CodeGym Games Snake
5/8/20
1244views
1comment
0

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