Page 116 | CodeGym online Java course - Help

Emre Erkaslan
Level 0
Istanbul
Question about the task Space Invaders (Part 4/34)
Games, Level 0, Lesson 6
Under discussion
Help please.I don't really know what's wrong here.
13.11.2020
463views
1comment
0
Шарох
Level 12
Under discussion
Hi Coders!Somethings are strange in this code. What are these ? :/ 1. (public Color color;) : Why it hasn't object? 2. Why in default constructor we use that! :(
11.11.2020
384views
4comments
0
bamughamye patrick
Level 8
Paris
Question about the task Streets and houses
Java Syntax, Level 7, Lesson 4
Archived
Got task right but code i used i lengthy. Can someone show me how a for loop would have been used here? Thanks import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader;
26.08.2020
665views
3comments
0
Kasia
Level 22
Zabrze
Question about the task Writing to a file from the console
Java Core, Level 3, Lesson 11
Resolved
Works here but doesn't pass the validator I can create a file and save it (i.e as file.txt) and it shows the text on separated lines(including exit) but the program doesn't pass the validation. Additionally, I also got the message from: The program must write absolutely all of the entered lines (including "exit") to the file, each on a ne
12.11.2020
569views
2comments
0
The Chief
Level 18
Question about the task Cat and Dog objects: 50,000 each
Java Syntax, Level 6, Lesson 5
Under discussion
Why is this code wrong?I don't know why it keeps rejecting my code. Can anyone please tell me how to fix this?
11.11.2020
598views
6comments
0
Mariam
Level 9
Columbus
Question about the task Even and odd digits
Java Syntax, Level 6, Lesson 5
Resolved
IT WORKS but compiler does not excepts. Please help IT WORKS but compiler does not excepts. Please help
09.09.2020
540views
3comments
0
Arjun Kiruthivasan
Level 14
Chennai
Question about the task String array in reverse order
Java Syntax, Level 7, Lesson 4
Under discussion
where i done mistake??pls tell me
13.09.2018
1894views
5comments
0
Maria
Level 22
Moscow
Question about the task Notepad for new ideas
Java Syntax, Level 6, Lesson 11
Resolved
The output is NULL...The task requirements sounds strange.. could please get some hints? Thanks in advance!
28.10.2020
683views
2comments
0
Onome Brownly-Otiede
Level 9
Galway
Question about the task The whole duck isn't enough
Java Syntax, Level 5, Lesson 12
Under discussion
do not understand i do not understand why this is happening pls help
14.10.2020
629views
2comments
0
Denis
Level 22
Kharkiv
Question about the task Human class constructors
Java Syntax, Level 10, Lesson 11
Under discussion
HELP PLS!Guys, i am very tired with this. I am worked with this code in IDEA and dont understand anything/ Give me full code pls!
21.06.2019
1372views
3comments
0
Dmitri
Level 22
Seversk
Question about the task List of number arrays
Java Syntax, Level 9, Lesson 11
Under discussion
I've got a strange message I've got a strange message: The task does not compile on the server! Though it is working as intended in IJ.
11.11.2020
458views
4comments
0
Rajni Agrawal
Level 12
Bangalore
Question about the task Catching a group of exceptions
Java Syntax, Level 9, Lesson 8
Under discussion
Please help to find the problem I feel the code the working fine. All exceptions are caught but the validation is not going through. Please help.
12.11.2020
545views
2comments
0
Anitamalina
Level 18
København
Question about the task Task about algorithms
Java Syntax, Level 5, Lesson 12
Under discussion
Maximum of N numbers Negative numbers - what should happen? I make a break from the loop, but should it ignore ? Maybe something else is wrong? import java.util.Scanner; import java.util.Scanner; public class Solution { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(Sy
11.11.2020
949views
7comments
0
antoinefleury2416
Level 3
Poitiers
Under discussion
I am blocked I am blocked, I have no more black matter c I am not paying. what do I do ?
11.11.2020
405views
1comment
0
Roman Grygorczuk
Level 19
Cracow
Question about the task Longest string
Java Syntax, Level 7, Lesson 6
Resolved
What is wrong with the last check?Hi all, I cannot understand why I cannot pass last requirement. Results seems to be correct. Thanks in advance for any clue! Best, Roman
02.11.2020
474views
4comments
0
gabe
Level 6
Greenville
Question about the task Positive number
Java Syntax, Level 4, Lesson 7
Under discussion
0 not positive i dunno, but i got the same question as another guy, and his code is needlessly complicated
08.10.2020
561views
10comments
0
Noob_Coder
Level 22
Springfield
Question about the task We don't need repeats
Java Syntax, Level 8, Lesson 8
Under discussion
details error I don't know if there's something wrong with it,if it has,plz help me thx.need specific details very appreciate
11.11.2020
439views
5comments
0
Kaiyr Shayakhmetov
Level 22
Question about the task Tracking changes
Java Core, Level 9, Lesson 11
Resolved
Could you plz help me with this task!!! Code produces correct results, however can't pass validation Could you plz help me with this task!!! Code produces correct results, however can't pass validation. Have no idea what is wrong with the code.
28.08.2020
669views
1comment
0
yehuda b
Level 23
Beersheba
Question about the task Replacing numbers
Java Core, Level 9, Lesson 11
Archived
After trying many different solutions it still fails works well with conditions example, any tips??? disregard isNumber method, it is from one of my previous attempts...
09.11.2020
556views
5comments
0
Albert
Level 6
Hong Kong
Question about the task Cat register
Java Syntax, Level 4, Lesson 2
Under discussion
Sth is wrong // Result is 0, but the system reads it as passed, weird package com.codegym.task.task04.task0404; /* Cat register */ public class Cat { private static int catCount = 0; public static void addNewCat() { //write your code here Cat cat = new Cat(); Cat.catCount =
09.11.2020
522views
2comments
0
Dyrits
Level 1
Question about the task Adding a file to an archive
Java Collections, Level 1, Lesson 6
Under discussion
Why this is not working?I don't get it. I look to some other solutions. It is more or less doing the same thing, but just saving the content somewhere else first, but it is kind of the same at the end, no? Also, why don't we simply skip the entries to add the new one?
11.11.2020
556views
1comment
0
WhiteColloid
Level 7
San Francisco
Question about the task Maximum of four numbers
Java Syntax, Level 4, Lesson 6
Resolved
I don't know why the third condition is not satisfied I don't see a problem here.
11.11.2020
528views
1comment
0
Philip Butler
Level 32
United Kingdom
Question about the task Adding a file to an archive
Java Collections, Level 1, Lesson 6
Under discussion
Finally got this to verify.Thanks to others for posting their questions and answers. I ended up struggling with this one and doing a fair amount of Googlig to get a solution that verified. The tricky bit was not using the File System, so as others have pointed out creating a temporary file won't verify. For others that are
06.11.2019
1434views
6comments
12
Nicolas Huet
Level 41
Provins
Question about the task Working with Java 8's DateTime API
Java Collections, Level 10, Lesson 10
Resolved
I don't find the issue here I tried a bunch of different methods but I always the same two conditions that doesn't validates and I really don't find the problem. I was sur it was it was a stupid typo but I don't find it (it's possible I still missed it, dyslexia...). Anyway, if someone can show me the problem that would be aws
27.11.2019
1082views
3comments
3
Anitamalina
Level 18
København
Question about the task ConsoleReader class
Java Syntax, Level 6, Lesson 8
Resolved
Boolean method Why doesn't this work?
09.11.2020
596views
3comments
0
Dinesh
Level 7
Delhi
Under discussion
What is wrong with my code? public class SolUsDollar { public static void main(String[] args) { //write your code here convertEurToUsd(123, 1.18); convertEurToUsd(111, 1.68); System.out.println(US_dollars); } public static double convertEurToUsd(int eur, double exchangeRate) {
10.11.2020
467views
6comments
0
Roman Grygorczuk
Level 19
Cracow
Question about the task Cat relations
Java Syntax, Level 6, Lesson 11
Under discussion
NullPointerException Hi all, I cannot display last two lines and get NullPointerException. Any clue please? Thanks, Roman
08.11.2020
460views
3comments
0
Dinesh
Level 7
Delhi
Under discussion
Why out put as 0.0 ? public class TenPerIncrease { public static double addTenPercent(int i) { //write your code here double incInPer = (10/100)*i; return incInPer; } public static void main(String[] args) { System.out.println(addTenPercent(9)); } }
10.11.2020
371views
2comments
0
AlfredW
Level 23
Denver
Question about the task Number algorithms
Java Core, Level 10, Lesson 10
Resolved
STILL Wont Verify.I got the time out fixed and my results numbers are good. Still won't verify....? Keeps saying: "The getNumbers method must return the array of numbers that satisfy the task conditions." Here are the results I get with 1000 and 1000000. But I have also run a couple of bigger numbers as well. So I
08.11.2020
704views
17comments
0
AlfredW
Level 23
Denver
Question about the task Number algorithms
Java Core, Level 10, Lesson 10
Resolved
Still keeps timing out...I have gotten the right results but I get timed out. I tried using an array to hold the factored values to speed up calculating the bigger numbers. but it still times out. ??
08.11.2020
558views
1comment
0

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