Page 221 | CodeGym online Java course - Help

Bogdan Codreanu
Level 23
Question about the task Reader wrapper
Java Core, Level 9, Lesson 8
Resolved
help please can't validate last condition
8/20/19
1680views
3comments
1
Tony Roy
Level 41
Victorville
Question about the task Words with numbers
Java Core, Level 9, Lesson 11
Resolved
code (apparently) works but won't verify Seems to work, including on test files mentioned in other answers. But fails verification!
3/31/20
1138views
3comments
0
CREATIVE COMMON
Level 4
Nashik
Question about the task Display right away
Java Syntax, Level 3, Lesson 3
Under discussion
help please unable to figure out how and what to do
3/24/20
1154views
2comments
0
Gabby
Level 2
Ashburn
Under discussion
Need units of matter.R.S.V.P. I need units of matter. I can't afford premium. I'm only level 2. How do I get more tasks without premium (or paying money?)
3/31/20
1018views
3comments
0
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
3/31/20
1585views
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.
3/28/20
1088views
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
3/30/20
993views
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
1/25/20
1431views
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.....
3/29/20
1124views
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
2/14/19
2268views
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?
3/30/20
1103views
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
3/4/20
1269views
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.
3/13/20
1141views
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.
3/18/20
867views
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....
3/24/20
993views
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
3/24/20
1091views
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.*;
3/18/20
1146views
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.
3/21/20
980views
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.
1/15/20
1268views
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?
3/28/20
1269views
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?
3/28/20
1126views
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??
3/29/20
934views
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
3/28/20
850views
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
3/16/20
1182views
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 &&
3/19/20
1467views
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) {
3/23/20
1283views
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
12/1/19
1430views
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 :/
3/28/20
938views
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!
2/11/20
1040views
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?
3/23/20
1046views
2comments
0

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