Page 101 | CodeGym online Java course - Help

Mohan Amilineni
Level 22
Brisbane
Question about the task Tracking changes
Java Core, Level 9, Lesson 11
Under discussion
Not able to understand requirement completely, need help!Hi, Tried multiple solutions, couldn't resolve it. Also I couldn't find a complete working solution in colleagues comments for this task. Please post a complete working solution, so that I can do reverse engineering and then try to understand the requirement. Honestly, the requirement is bit conf
25.05.2020
375views
0comments
0
Martin Adamec
Level 20
Nachod
Question about the task Finding data inside a file
Java Core, Level 8, Lesson 11
Under discussion
Why does it not validate?What's wrong? Both of my solutions seem to work correctly when I test them manually.
25.05.2020
476views
0comments
0
AnnemiekFF
Level 41
Breda
Question about the task Recursion for mathematical expressions
Java Collections, Level 4, Lesson 2
Under discussion
Tweaked some more, still not correct?I am sure this is becoming waaaay more complicated than it should be. I have tweaked it again, as I found a few cases that didn't work. Now I still can't pass it, but I have no clue where to look for next?
27.05.2020
540views
0comments
0
Brandon Leirer
Level 7
Keller
Question about the task Describing numbers
Java Syntax, Level 4, Lesson 7
Archived
if you are having trouble with the last requirement...try changing the input to a number outside of the range like (1000, 0, or -1) and see what gets returned in output. That will set you on the right path.
28.05.2020
574views
0comments
0
Naweed
Level 2
Kabul
Question about the task Pay raise
Java Syntax, Level 2, Lesson 2
Under discussion
Finally Find it package com.codegym.task.task02.task0205; /*
30.05.2020
462views
0comments
0
Lam Jok
Level 10
Under discussion
The CodeGym server is unavailable. Wait a little, restart IntelliJ IDEA and try again Can someone help me with this error. Thanks in advance!
30.05.2020
461views
0comments
0
Prassha
Level 24
Chagford
Question about the task Request parser
Java Core, Level 5, Lesson 12
Under discussion
Hi, please help me. I am getting the correct output with url string (line 27 )but not getting the same output with when I use s = reader.readLine(); line 24. s = reader.readLine(); this is causing entire program to crash. Tried with Scanner also.
31.05.2020
372views
0comments
0
Luke Chapman
Level 3
Braddon
Under discussion
Cant see the output on intellij with CodeGym Plugin This is crucial as you cant debug your code if you dont know what it's outputting.
31.05.2020
379views
0comments
0
Niklas Braun
Level 33
Freiburg
Question about the task Make a word chain
Java Multithreading, Level 2, Lesson 9
Under discussion
Can't figure out what's wrong?Program works with own implementations, but the last two requirements are still not checked?
31.05.2020
399views
0comments
0
Dinesh
Level 7
Delhi
Under discussion
I am unable to print the null value programmatically of the following statement.If a variable of a reference (composite) type isn't storing a reference to an object, then it stores what is known as a 'null reference'. IF String s; & String s=null; are same than why i am not getting null as output. Tried 2 Ex as follows but didn`t get null as output. 1. class Person{
06.01.2021
414views
5comments
0
Dinesh
Level 7
Delhi
Under discussion
I want output upto 2 decimal place only. 31.40 //The output is 31.400000000000002 public class Codegym { public static void main(String[] args) { printCircleCircumference(5); } public static void printCircleCircumference(int radius) { //write your code here double result = 2*3.14*radius; System.out.p
07.01.2021
585views
5comments
0
Solanki Dhruv
Level 18
Surat
Question about the task Identical words in a list
Java Syntax, Level 10, Lesson 11
Under discussion
I got right result...but still fail on website.?
02.12.2018
1557views
6comments
0
Ivan Duka
Level 22
Winnipeg
Question about the task Array of string lists
Java Syntax, Level 10, Lesson 11
Under discussion
How to Create an Array of Parameterized Types Hi! Please help, I am not sure why it does not pass the tests. I strongly suspect that it is about line 20: ArrayList[] result = (ArrayList[])new ArrayList[size]; I tried several ways to declare this array but no luck. As per Oracle's documentation, we Cannot Create Arrays of Parameteriz
07.04.2019
2669views
5comments
5
Gellert Varga
Level 23
Szekesfehervar
Under discussion
Reference conversions: widening and narrowing From the Oracle's website: "A widening reference conversion exists from any reference type S to any reference type T, provided S is a subtype of T. " "Narrowing reference conversions: From any reference type S to any reference type T, provided that S is a proper supertype of T. " 1.) On base of th
06.01.2021
662views
4comments
0
Odeh Osayande Vincent
Level 1
Limerick
Under discussion
algorithm Design an Algorithm for the following Java application that asks a customer to: enter the quantity of items requested from a mail-order catalogue, and the price of each item. The program will then return & display the totalCost of the required items. The results are formatted to
01.05.2020
715views
0comments
0
Odeh Osayande Vincent
Level 1
Limerick
Question about the task Improvements in Java 7 (multiple exceptions)
Java Collections, Level 8, Lesson 6
Under discussion
write a method called positive values which will calculate and return the number of positive numbers in array write a method called positive values which will calculate and return the number of positive numbers in array
01.05.2020
890views
0comments
0
Syed
Level 1
Bolton
Under discussion
what is subscription fees?Hi what is subscription fees?
03.05.2020
949views
0comments
0
fzw
Level 41
West University Place
Question about the task Caching
Java Collections, Level 4, Lesson 8
Under discussion
Why is my code not validating last two requirements?I can get exactly the same result as the expected output. Thanks.
05.05.2020
832views
0comments
0
anele
Level 0
Under discussion
Online teaching Does online teaching enhance the learning of Business studies at this time of covid 19
06.05.2020
412views
0comments
0
myqms
Level 14
Landshut
Under discussion
What is wrong with the markTile method ?Please help, I can't find the mistake.
06.05.2020
431views
0comments
0
Vadim
Level 8
Hounslow
Under discussion
it's something new for me, who can explain me that? Thanks a lot public class Solution { public static int step; public static void main(String[] args) { method1(); } public static void method1() { method2(); } public static void method2() { new Solution().method3(); } public void method3() { me
14.05.2020
388views
0comments
0
Dima Faraj
Level 0
Question about the task Snake (Part 20/20)
Games, Level 0, Lesson 1
Under discussion
Help with Snake Collision I've just finished the course, and am doing bug-fixes. I have no idea how to make the snake move correctly, here's the code relating to my issue: //snake.java package com.codegym.games.snake; import com.codegym.engine.cell.*; import java.util.ArrayList; import java.util.List; public class Snake ex
15.05.2020
690views
0comments
0
Arthur
Level 8
Céron
Under discussion
Hello I don't understand why it doesn't work...
18.05.2020
492views
0comments
0
Angus McDonald
Level 5
Sydney
Question about the task Minesweeper (Part 16/16)
Games, Level 0, Lesson 0
Under discussion
Final step and code has been adjusted (not by me) which now doesn't function correctly.Hi team, I've just completed step 15 of the Minesweeper project successfully, moved into step 16 being very pleased with myself seeing that the game is complete and it appears that a bunch of code has been removed / updated when moving from step 15 to 16. The game isn't functioning as it should. I'
19.05.2020
402views
0comments
0
Lisa THAZAR
Level 1
Francheville
Under discussion
Hi everyone..This is my code, and the error is the createGame don't call in the initialize.. Can you help me please?package com.codegym.games.minesweeper; import com.codegym.engine.cell.*; public class MinesweeperGame extends Game { private GameObject[][] gameField = new GameObject[SIDE][SIDE]; // check spelling of GameObject[][] variable above private static final int SIDE = 9; public void ini
20.05.2020
494views
0comments
0
BlueJavaBanana
Level 37
Question about the task Debug everything under the sun
Java Core, Level 6, Lesson 13
Resolved
Hints/Tips on this Task I don't want the solution to this task, but I'm really struggling to grasp how to approach this problem. Has anyone got any tips/subtle hints?
14.05.2020
633views
2comments
0
Katerina Brookshaw Petranova
Level 5
Parque la reina-Cho
Question about the task Currency exchange
Java Syntax, Level 3, Lesson 3
Resolved
please help can you please tell me where I'm going wrong and what have I forgotten? Please be clear as this is the first time I'm trying to learn programming language, thanks.
15.12.2020
588views
5comments
0
Dinesh
Level 7
Delhi
Question about the task Minimum of two numbers
Java Syntax, Level 4, Lesson 6
Under discussion
Can not find symbol num1 and num2 package com.codegym.task.task04.task0418; /* Minimum of two numbers */ import java.io.*; public class Solution { public static void main(String[] args) throws Exception { //write your code here BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
06.01.2021
524views
2comments
0
Lex Medeiros
Level 18
San Jose
Question about the task Debug everything under the sun
Java Core, Level 6, Lesson 13
Under discussion
The program must use OurUncaughtExceptionHandler's uncaughtException method to display 2 messages.As far as I understand this I am setting the default exception handler OurUncaughtExceptionHandler. Placing it inside the TestedThread class definition. It outputs the two lines correctly. Thus, it must be using "OurUncaughtExceptionHandler to display the two messages. Please help!
11.07.2019
1654views
5comments
0
Wojtek
Level 23
Solec-Zdroj
Question about the task Debug everything under the sun
Java Core, Level 6, Lesson 13
Under discussion
need some hint If i properly understand Interface Thread.UncaughtExceptionHandler it should be invoke when RuntimeException is throw.
28.02.2019
1411views
4comments
0

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