Page 69 | CodeGym online Java course - Help

Zach
Level 22
Fort Collins
Question about the task UnsupportedFileName
Java Core, Level 8, Lesson 8
Under discussion
Not sure what is wrong with this...Any help is appreciated.
7/20/21
672views
1comment
0
Zach
Level 22
Fort Collins
Question about the task Shall we play?
Java Core, Level 6, Lesson 13
Resolved
Confused by the while loop?? while (!isWinnerFound) { } gamer1.interrupt(); gamer2.interrupt(); gamer3.interrupt(); } I am really confused about this code. It seems completely contrary to what I thought interrupt does. Wouldn't you want to call the interrupt method wh
7/17/21
708views
1comment
0
Zach
Level 22
Fort Collins
Question about the task Snake (Part 11/20)
Games, Level 0, Lesson 1
Resolved
What's wrong??My snake moves correctly when I push the arrow keys however the last tasks are not passing??
7/11/21
605views
1comment
0
BigRatBaby
Level 20
Washington
Question about the task Task about algorithms
Java Syntax, Level 8, Lesson 11
Resolved
Correct except for 1 element So my code alphabetizes the array except for the word "Ten" which ends up at the top. Can anyone explain why to me? thanks in advance
7/19/21
774views
8comments
0
Fabian Andiel
Level 9
Vienna
Question about the task Month number
Java Syntax, Level 8, Lesson 11
Under discussion
Pls help me Hi guys, I tried numerous variants of this code especially with " quotation marks and without quotation marks for the last sentence! What is wrong? best regards Fabian
1/25/20
1398views
2comments
0
Dinesh
Level 7
Delhi
Question about the task Day of the week
Java Syntax, Level 4, Lesson 4
Under discussion
problem with scanner When I tried to implement this stuff with scanner. why this is not working ?
5/28/20
907views
3comments
0
Zach
Level 22
Fort Collins
Question about the task Space Invaders (Part 4/34)
Games, Level 0, Lesson 6
Under discussion
Not sure what is wrong here.Any help is appreciated thanks.
7/18/21
526views
1comment
0
Daniel
Level 9
Vienna
Question about the task HashSet of plants
Java Syntax, Level 8, Lesson 3
Resolved
REGARDING THE CONDITIONS. READ !!First of all, you have to actually add all the words they wrote in the conditions, not any 10 words.Their english must be so bad they didn't think of specifying that. Second, don't try to create a an Array or ArrayList and then throw the words in the Set. That won't pass. People who wrote the condit
6/11/20
735views
1comment
0
Yusuf el Turki
Level 5
Rhein
Question about the task Three numbers
Java Syntax, Level 4, Lesson 6
Under discussion
My Result is right but i dont understand why i got warning?Why get i warning about it ? For example 9 2 9 result is 2 my programm does that. But i got warning.
6/2/21
673views
2comments
0
NNAMDI HENRY
Level 6
ABUJA
Question about the task Three numbers
Java Syntax, Level 4, Lesson 6
Under discussion
MISSING RETURN STATEMENT.please somebody should help! the compiler kept on issuing an error saying there is a missing return statement in my code. please help me and check it.
7/9/21
629views
2comments
0
Alex Lemke
Level 2
Seattle
Question about the task Minimum of three numbers
Java Syntax, Level 2, Lesson 8
Under discussion
What's wrong with my code? It works.My code works so what is wrong
7/17/21
702views
2comments
0
Thani
Level 2
Kampala
Question about the task Don't feel like it? Do it anyway.
Java Syntax, Level 1, Lesson 8
Under discussion
TYPO Hello"gymmies", what's a typo? pls need help.
6/3/21
500views
3comments
0
Karolis Garšva
Level 16
Gravesend
Question about the task Cat code won't compile
Java Syntax, Level 7, Lesson 12
Resolved
why?why inverting instantly not ok? But if read Strings and invert them in constructor its ok?
7/13/21
651views
4comments
0
Justin Smith
Level 41
Greenfield, USA
Question about the task Set of cats
Java Syntax, Level 8, Lesson 11
Resolved
how to remove a non-string object from a set?I'm having difficulty getting very far with this task. All of the previous examples for removing an element from a set (and also every single result that comes up in Google searches) only uses string objects, which allows you to do: set.add("string1"); set.remove("string1"); And importantly, you c
7/14/21
847views
7comments
0
Evgen
Level 23
Question about the task Replacing numbers
Java Core, Level 9, Lesson 11
Resolved
help me check the output please I didn't pass the sixth condition, and I can't check the output by myself, please help me
7/14/21
659views
3comments
0
John
Level 17
Mansfield
Question about the task One for all, all for one
Java Core, Level 6, Lesson 10
New
I just Finished this task but confused what's with it I just finished the task but, can someone explain to me when this will be useful? why do we have to same the share objects in each thread created? and whats the purpose of isCurrentThreadInterrupted inside the run() method. thanks ;)
7/14/21
602views
0comments
0
Justin Smith
Level 41
Greenfield, USA
Question about the task Kind Emma and the summer holidays
Java Syntax, Level 8, Lesson 8
Resolved
ConcurrentModificationException (yes, I'm using an iterator)I haven't submitted the task for validation yet because I already know by test-running it that it won't work. Also I used family members DOB for all the dates so I kinda don't want to post that here. Also I can't post using the code tag because the HashMap uses symbols that get treated as BB code. S
7/13/21
767views
2comments
0
Xavier
Level 17
Pearland
Question about the task GCD
Java Core, Level 4, Lesson 8
Resolved
Not clearing the second requirement.The code takes two integers, and if they are negative, they are converted to positive. If a character or a string is entered, an exception is thrown.
7/13/21
888views
4comments
0
Dominik
Level 27
Warsaw
Question about the task Phone number verification
Java Multithreading, Level 2, Lesson 13
Resolved
I'm missing something?Hi, validator says that I do not check all verification criteria. Can you tell me what I'm missing? Meaby I don't understand the "\\d" regex
7/11/21
697views
6comments
0
Azja
Level 32
Krakow
Question about the task 2048 (part 8)
Java Multithreading, Level 10, Lesson 15
Archived
Where I am wrong with that code, or is this bug?"The Model class's canMove method must be implemented in accordance with the task conditions." In my code in Model class canMove() function: Firstly, check if there are at least one empty tile. If true, movement can be made. Else, do copy of current state of board, next check if in movement to left,
9/25/19
1414views
3comments
0
Toka
Level 11
Dugo Selo
Question about the task Closest to 10
Java Syntax, Level 4, Lesson 4
Resolved
Help! can't figure it out. Output is correct....
7/12/21
750views
1comment
0
Bhavana eligeti
Level 8
Mancherial
Question about the task Implement the print method
Java Syntax, Level 2, Lesson 1
Under discussion
help me to slove this question Am not getting given strings each 4 times last condition not applying my code this is my code public class Solution { public static void main(String[] args) {
8/8/20
1107views
3comments
0
Dinesh
Level 7
Delhi
Question about the task Implement the print method
Java Syntax, Level 2, Lesson 1
Under discussion
Though I am Getting the proper out put. But did not get the way it is being processed. When I am passing the argument s in System.out.println(s); The out put is as follows:- Java is easy to learn! Java is object-oriented! Java is platform-independent! When I pass the same argument consecutively in others as under:- System.out.println(s); System.out.println(s); System.out.println(s)
10/14/20
756views
4comments
0
Karolis Garšva
Level 16
Gravesend
Question about the task Changing functionality
Java Syntax, Level 7, Lesson 12
Resolved
what else?Output is good as in example, tried toUpperCase, stil midle 3 conditions not satisfied. Whats wrong?
7/9/21
572views
2comments
0
Andrei
Level 41
Question about the task AmigoSet (part 5)
Java Collections, Level 4, Lesson 15
Resolved
How in God's name does it know, that one readtInt() is capacity and the next readInt() is size?Lines 23 and 28? How does it make that difference? How do we know that the first time we readInt it brings back the capacity and the next time we readInt it returns the size? What kind of magic is this? Also, what about readFloat? In the description it just says it reads a 32 bit float. How do we
7/10/21
884views
5comments
0
Justin Smith
Level 41
Greenfield, USA
Question about the task Display numbers in reverse order
Java Syntax, Level 7, Lesson 12
Under discussion
I don't understand what this task is asking for Assume a sample input is: 5, 74, 16, 2, 14, 127, 53, 30, 14, 11 By reverse order, do they mean: 11, 14, 30, 53, 127, 14, 2, 16, 74, 5 or 127, 74, 53, 30, 16, 14, 14, 11, 5, 2 Current code is for the second version, but I initially tried the first version using the follow code replacing everything
7/11/21
759views
3comments
0
Evgen
Level 23
Question about the task Introducing tags
Java Core, Level 9, Lesson 11
Resolved
please help me to find my mistake they said that problem is in output of nested tags
7/11/21
657views
7comments
0
Evgen
Level 23
Under discussion
please help me to find mistake problem in output of nested tegs
7/11/21
463views
1comment
0
Ryan Palmer
Level 20
Philadelphia
Question about the task Consecutive threads
Java Core, Level 6, Lesson 13
Under discussion
print statement and to string method I can't seem to understand how these two segment of lines interact. while (true) { Thread current = currentThread(); System.out.println(this); public String toString() { return "#" + getName() + ": " + countdownIndex; } The program is blank without the fir
7/9/21
659views
3comments
0
Ice_ Beam
Level 7
Question about the task Playing Javarella
Java Syntax, Level 7, Lesson 9
Under discussion
Why is this code false? But it actually fufills everything?Can someone explain why it wouldn't pass the 3rd, 4th and 5th requirements? I got frustrated and copy pasted the solution, just to pass this task. Scanner input = new Scanner(System.in); ArrayList numList = new ArrayList(); for (int i = 0; i < 20; i++) { String s = input.nextLine();
7/10/21
910views
4comments
0

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