Page 218 | CodeGym online Java course - Help

Pablo Souza
Level 22
Brisbane
Question about the task We don't need repeats
Java Syntax, Level 8, Lesson 8
Under discussion
Ok folks I need serious help with this one.I feel like I hit a brick wall with this one. I'll need all the help i can get. My approach is to always understand exactly what's going on, even If I need to copy someone else's code. First of all I need to understand what removeItemFromMapByValue is doing. Could someone help me understand that me
31.03.2020
1402views
3comments
0
hidden #10568956
Level 9
Question about the task R or L
Java Syntax, Level 7, Lesson 9
Resolved
Requirment 2 and 5 fail Hello, I did manage the output to be correct, but still i'm not able to figure out were is the problem.
28.03.2020
943views
2comments
0
Przemysław Dr
Level 20
Tricity
Under discussion
Should I pay more for reCheck option or should CodeGym pay me?I would like to help others in learning, try to explain possible solutions at "help" forum, but CodeGym sometimes makes it impossible. When I try to help, I usually try to correct someone's code because it's better than giving my full code that passed requirements, but sometimes code is so complic
30.03.2020
813views
1comment
0
Alban
Level 14
Kukes
Question about the task Plan to conquer the world
Java Syntax, Level 3, Lesson 8
Under discussion
Help I can't find the correct solution!Please helpp
25.01.2020
1264views
4comments
0
Liliane Top
Level 17
Amsterdam
Question about the task OOP: Fix inheritance problems
Java Core, Level 5, Lesson 2
Resolved
Why am I failing the test The output is correct. Not sure what is required. String is an object so.....
29.03.2020
958views
3comments
0
Wojtek
Level 23
Solec-Zdroj
Question about the task User, loser, coder and programmer
Java Core, Level 4, Lesson 8
Resolved
What is wrong in my code?need hint
14.02.2019
2060views
2comments
3
Anton
Level 26
Oslo
Question about the task Positive number
Java Syntax, Level 4, Lesson 7
Resolved
Do not pass the 3rd requirement.Why don't I pass the third requirement?
30.03.2020
926views
1comment
0
Johannes
Level 27
Centurion, Pretoria
Question about the task Feng Shui and statics
Java Syntax, Level 6, Lesson 11
Resolved
My task works, but I don't understand something ?why can I declare A as static, and then access it without having to specify the class name in front of it ? I thought static variables in the class can only be referenced by putting the class name in front of it, not directly ? Please help me if I'm wrong ? Second question: Why should B and C not a
04.03.2020
1121views
2comments
0
Johannes
Level 27
Centurion, Pretoria
Question about the task Task about algorithms
Java Syntax, Level 8, Lesson 11
Resolved
How can I see the "System.out.println()" output in IntelliJ IDEA ? It only shows that it ran the program successfully with return code 0.
13.03.2020
973views
5comments
0
Johannes
Level 27
Centurion, Pretoria
Resolved
How do I (in IntelliJ IDEA)...hi how do I just by default run the current Solution ? I have to right-click on my Solution class of any question, and choose run. If I just click RUN at the top, it runs previous questions which I have already completed.
18.03.2020
740views
2comments
0
Johannes
Level 27
Centurion, Pretoria
Question about the task Writing to a file from the console
Java Core, Level 3, Lesson 11
Resolved
Works. Why is it not passing ?It's pretty straightforward....
24.03.2020
850views
5comments
0
AnnemiekFF
Level 41
Breda
Question about the task Racer (Part 24/28)
Games, Level 0, Lesson 5
Resolved
Wont validate the increase car count I have no idea why he won't validate on the increase car count. I've tried different methods to increase it, checking if it is an instance of Spike, a comparison for type if it is spike, compared if it is instance of car or movingcar. I have tried with passedCarsCount++ and passedCarsCount += 1. I
24.03.2020
930views
3comments
0
Aungk Zaw Htay
Level 4
Monywa
Question about the task Plan to conquer the world
Java Syntax, Level 3, Lesson 8
Under discussion
what is wrong? please help me import java.io.*;
18.03.2020
973views
2comments
0
hidden #10589341
Level 19
Question about the task Finding data inside a file
Java Core, Level 8, Lesson 11
Under discussion
I need help!!I think my fault is line23. String sub = s.substring(0,s.indexOf(" ")); But i don't know how to solve it. Please help me.
21.03.2020
854views
2comments
0
Pedro Antonio Mendéz Gutiérrez
Level 6
Crown Point
Question about the task Closest to 10
Java Syntax, Level 4, Lesson 4
Resolved
What is wrong with my code?I do call the abs method I don't understand why it fails.
15.01.2020
1124views
2comments
2
hidden #10587300
Level 14
Question about the task This age doesn't work for me…
Java Syntax, Level 4, Lesson 1
Under discussion
What's happening here?I completed the solution and got all of the conditions. But I fail to understand why the solution is the correct answer. Can anyone explain what is actually happening in the code?
28.03.2020
1071views
1comment
0
Seth
Level 38
Warsaw
Question about the task Building a file
Java Core, Level 8, Lesson 11
Resolved
Everything works but 4 requirements failed Hello, My code works but the requirements fail no matter what i do. Could someone help me?
28.03.2020
958views
3comments
0
Tony Roy
Level 41
Victorville
Question about the task Building a file
Java Core, Level 8, Lesson 11
Resolved
works but getting same errors as others Works, but getting errors. I believe I have set the comparator so that the TreeMap works as it should. Can't see anything else??
29.03.2020
813views
1comment
0
Larisa Alexa
Level 20
Iasi
Question about the task Shortest or longest
Java Syntax, Level 7, Lesson 6
Under discussion
Can't meet the following condition: "If several strings are shortest or longest, then consider the very first such string encountered."I have managed to display the string that occurs earlier in the list (shortest/longest) but if they is more than one string of this kind (shortest/ longest) I can't manage to save the index of the first one and display it, it just displays the last of that kind. Any thoughts would be appreciated, th
28.03.2020
707views
1comment
0
Ashish RajAnand
Level 13
Bhilai
Question about the task Moon Lander (Part 19/23)
Games, Level 0, Lesson 4
Resolved
please help how to implement draw method
16.03.2020
858views
6comments
0
Anton Yavorskyi
Level 5
Kiev
Question about the task Three numbers
Java Syntax, Level 4, Lesson 6
Resolved
People, please help me!Couldn't pass this condition: "The program should display the ordinal number of the number that is different from the others" For me it looks good, part of my code: if (numb1 == numb2 && numb1 != numb3) System.out.println("3"); else if (numb1 == numb3 &&
19.03.2020
1322views
2comments
0
Anton Yavorskyi
Level 5
Kiev
Question about the task Multiplication table
Java Syntax, Level 4, Lesson 10
Resolved
Please people explain me why, if I initialize int j = 1; outside of loop Output is just one line: 1 2 3 4 5 6 7 8 9 10 ? Thanks!public class Solution { public static void main(String[] args) throws Exception { int i = 1; //int j = 1; Output just one line: 1 2 3 4 5 6 7 8 9 10 while (i < 11) { //int j = 1; while (j < 11) {
23.03.2020
1110views
2comments
0
Montjoie
Level 22
Cologne
Question about the task Prices 2
Java Core, Level 8, Lesson 11
Under discussion
It says "The item with the updated data should be on the same line in the file." But it is, isn't it?Hello everybody. I don't catch this situtation. My code isn't verified because of the third condition and the recommendation is "The item with the updated data should be on the same line in the file." But my test show exactly this requirement. Can you help me pointing out my mistake? I'd be glad abo
01.12.2019
1249views
3comments
0
Goran
Level 41
Belgrade
Question about the task Space Invaders (Part 34/34)
Games, Level 0, Lesson 6
Resolved
Why animation disappeared ?I did everything by instructions but my animation disappeared on player ship and enemy ship. But don't know why ? And before end of task it was working, but something in last steps made it stop working :/
28.03.2020
776views
1comment
0
Diana Salvador
Level 26
Sintra
Question about the task Prices
Java Core, Level 8, Lesson 11
Under discussion
Please help!The output seems to be correct...I'm going crazy! Thanks!
11.02.2020
891views
1comment
0
Rismitha Ismail
Level 2
Mumbai
Question about the task Where does a Person come from?
Java Syntax, Level 2, Lesson 2
Under discussion
identifier I got an error says that identifier is missing..can anyone please say this for me?
23.03.2020
903views
2comments
0
Alison
Level 9
Madison
Question about the task Working with dates
Java Syntax, Level 8, Lesson 11
Resolved
Help \(T-T)/xD Help
13.07.2019
1981views
2comments
0
Ryan
Level 14
Ashburn
Question about the task One large array and two small ones
Java Syntax, Level 7, Lesson 4
Under discussion
Created 2 arrays of 10 but still failed I'm not sure what I did here because when I print both of the smaller arrays I get "two small arrays of 10 numbers each". I'm also not sure how it is possible to meet 1, 2, & 4, and still not meet 3.
15.02.2019
1528views
7comments
0
Ted404
Level 11
Dubai
Question about the task Checking the order
Java Syntax, Level 7, Lesson 9
Resolved
Why it is not passing the last condition?I belive I miss smth in my code but cannt figure out what. Please help.
19.03.2020
972views
4comments
0
Michał Pietrus
Level 33
Krakow
Question about the task Rounding numbers
Java Core, Level 8, Lesson 11
Under discussion
Help Why it doesnt work ? :c
27.03.2020
932views
2comments
0

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