Page 241 | CodeGym online Java course - Help

4dy
Level 3
Regensburg
Under discussion
Warum kann ich unter Level 1 noch keine (String)Listen erstellen und diese dann mit einer Schleife durchlaufen?Die automatische Code-Vervollständigung findet keine Funktion wie z.B. length() oder add(). Woran liegt das?
1/23/20
1042views
1comment
0
krystian
Level 9
Kozle
Question about the task Flip the array
Java Syntax, Level 7, Lesson 4
Under discussion
Any hints here? public class Solution { public static void main(String[] args) throws Exception { Sca
1/21/20
1088views
2comments
0
Tonatiuh
Level 12
Mexico
Question about the task Snake (Part 14/20)
Games, Level 0, Lesson 1
Resolved
Help please. I can't pass the last condition, whats wrong?Hi. I can't pass the last condition. I've tried many different ideas but don't undersand whats wrong with the move(Apple) method or the checkCollision(GameObject) method in the Snake class. Could somebody help me please? public void move(Apple apple){ GameObject head = createNewHead();
1/17/20
1901views
6comments
1
arun et
Level 11
Chennai
Question about the task Working with dates
Java Syntax, Level 8, Lesson 11
Under discussion
I get the Result exactly right, but its not passing all the requirements....This code works fine, but not passing the Requirements why???
1/22/20
983views
1comment
0
null
Level 26
Orlando
Question about the task Longest sequence
Java Syntax, Level 8, Lesson 6
Resolved
I have out of bound issue. still trying to figure out how to fix. please help
1/16/20
1213views
3comments
0
Lex Medeiros
Level 18
San Jose
Question about the task Reversing a file
Java Core, Level 8, Lesson 5
Under discussion
Using Collections to Reverse the Byte[] Order Hi, I am using collections to reverse the order but it does not seem to work. Could you tell me what I am doing wrong. Thanks, Alex
8/5/19
1910views
1comment
1
Alban
Level 14
Kukes
Question about the task Plan to conquer the world
Java Syntax, Level 3, Lesson 8
Under discussion
What is wrong please help?helpp!!
1/22/20
1074views
1comment
0
Andrew
Level 8
Quincy
Question about the task Drawing a rectangle
Java Syntax, Level 4, Lesson 13
Under discussion
Why is this code not working? It seems to make sense in my head but I'm not sure why it's throwing out incorrect result asdf
1/22/20
926views
1comment
0
Nicholas Grube
Level 41
Carrollton, TX
Question about the task Reading and writing to a file: CodeGym
Java Core, Level 10, Lesson 2
Resolved
Where Is The Exception?The validation says I need to check the exceptions in the save/load methods, but I don't see any? Can anyone help me figure out where the exceptions are coming from?
1/22/20
1550views
2comments
0
Vaibhavi
Level 5
Vijayawada
Question about the task Triangle of eights
Java Syntax, Level 4, Lesson 13
Resolved
please help..!!height problem not 10 lines it say
12/13/19
1350views
5comments
1
Carlos Cortázar
Level 17
Madrid
Question about the task GCD
Java Core, Level 4, Lesson 8
Under discussion
It works fine, but verification It works but does not pass the check for "there seems to be an infinite loop"
1/21/20
1030views
4comments
0
Marta
Level 19
Gdansk
Question about the task Building a file
Java Core, Level 8, Lesson 11
Resolved
It seems ok but it's not...It's probably some stupid little think but i don't see it. Please help...
1/21/20
1054views
3comments
0
Nicolas Huet
Level 41
Provins
Question about the task Build a WHERE query
Java Multithreading, Level 2, Lesson 9
Under discussion
Hello, after some testing, it seems to match the conditions but it doesn't validate I surely miss something but when I test it out with a map I create it seems to work correctly. Any ideas?
8/9/19
1472views
4comments
0
krystian
Level 9
Kozle
Question about the task Ascending numbers
Java Syntax, Level 6, Lesson 11
Under discussion
Any hints? public class Solution { public static void main(String[] args) throws Exception {
1/20/20
1536views
2comments
0
Mikayla Pace
Level 27
Salt Lake City
Question about the task Inverted words
Java Multithreading, Level 2, Lesson 9
Resolved
Why isn't it adding a to the result list?The loop isn't adding a to the result list, not sure why.
1/21/20
1322views
2comments
0
Radek
Level 22
Warsaw
Question about the task ABCs
Java Core, Level 8, Lesson 11
Resolved
How to pass the validation Im counting using Character.isAlphabetic with the same negative rasult as for Character.isLetter method. I have tested the solution. it counts only letters and results are ok. Why in cannot pass the validation? import java.io.FileInputStream; public class Solution { public static void main(Str
11/15/18
1737views
4comments
0
Yana
Level 13
Lviv
Question about the task Shortest or longest
Java Syntax, Level 7, Lesson 6
Resolved
What's wrong with it?Output seems to be correct. Help please/
1/20/20
1089views
2comments
0
Raj Mishra
Level 2
India
Question about the task Remove and insert
Java Syntax, Level 7, Lesson 6
Under discussion
Could not detect the error. Pls help I am unable to find the error . Could any one please help ?
1/16/20
821views
3comments
0
Pedro Antonio Mendéz Gutiérrez
Level 6
Crown Point
Question about the task Task about algorithms
Java Syntax, Level 5, Lesson 12
Resolved
Cannot figure out this question?It is failing at the last two requirements. At this point I have tried 50 variations of the code so I am getting lost further. Please help.
1/21/20
1089views
1comment
0
leithris
Level 14
Poznań
Question about the task HashSet of plants
Java Syntax, Level 8, Lesson 3
Under discussion
failing to add 10 Strings hey people I need some advice. my program did not meet the third condition in this task. could you help me to solve it? thank you!
1/11/20
1267views
3comments
0
Anthony Chalk
Level 30
London
Question about the task Prices
Java Core, Level 8, Lesson 11
Resolved
Please help I changed lines 19-35 to: String productID = ""; String productName = reader.readLine(); String productPrice = reader.readLine(); String productQuantity = reader.readLine(); String product = ""; productID = getID(fileName); productName = ful
1/20/20
1122views
17comments
0
Adam S
Level 22
Gliwice
Question about the task Shortest or longest
Java Syntax, Level 7, Lesson 6
Under discussion
help me pls with 3rd condition someone pls help, the output is correct and yet it doesn't meet the requirement.
1/19/20
1127views
2comments
0
Joshua
Level 4
Sydney
Question about the task Number of days in the year
Java Syntax, Level 4, Lesson 4
Under discussion
Been on the problem for a while Hey guys can someone give me a few nudges in the right direction of what im missing with my code here.
1/20/20
1167views
1comment
0
Nikesh
Level 15
Delhi
Question about the task Snake (Part 7/20)
Games, Level 0, Lesson 1
Under discussion
Last two requirements not meeting I have created private Direction direction and setter for it but still last two requirements are not getting fulfilled. Please help.
1/17/20
1461views
12comments
0
yz
Level 37
Jakarta
Question about the task Space (part 13)
Java Collections, Level 3, Lesson 15
Resolved
where is the checkborders method ? thanks cant find the method
1/19/20
1155views
3comments
0
Ákos Kovács
Level 10
Budapest
Question about the task Maximum in an array
Java Syntax, Level 7, Lesson 4
Under discussion
The initializeArray method must create an array of 20 integers.I got following message during validation: "The initializeArray method must create an array of 20 integers.", but I created it already.
1/16/20
1027views
2comments
0
Jason
Level 26
Rancho Cucamonga
Question about the task Snake (part 8)
Java Multithreading, Level 2, Lesson 18
Resolved
how am I the only one that doesn't know how to do this?Mentor says "The section list must be initialized in the snake class constructor" I can think of what I am supposed to do for the life of me.
1/19/20
1332views
4comments
0
Joshua
Level 4
Sydney
Question about the task Number of days in the year
Java Syntax, Level 4, Lesson 4
Under discussion
"Else" without "if" ?I have tried many implementations of a few different methods for this question... i feel like i've satisfied all the parts of the question. However the compiler is telling me in my last line of code i have an "else" without and "if"... So i cannot check the output. Can someone shed some light on wha
1/19/20
1380views
3comments
0
Thomas
Level 13
Scottsdale
Question about the task Creating a cat
Java Syntax, Level 5, Lesson 5
Under discussion
Ideas ? See error message on compile -- no luck w/ variables assigned or unassigned .... Thanks for the ideas
6/2/19
1681views
4comments
0
Kelvin
Level 14
Lagos
Question about the task Creating a cat
Java Syntax, Level 5, Lesson 5
Under discussion
the keyboard. But am getting an error saying I got input from keyboard I created my Cat class without getting input from
2/1/19
2071views
4comments
0

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