Page 64 | CodeGym online Java course - Help

Piyush Mahajan
Level 9
Mesa
Question about the task Minimum number of statics
Java Syntax, Level 6, Lesson 11
Under discussion
Can i access static variable from non static function. My below program is working but i have confusion for method 4 accessing a static variable.package com.codegym.task.task06.task0616; /* Minimum number of statics */ public class Solution { public static int step; public static void main(String[] args) { method1(); } public static void method1() { method2(); } public static void method2() {
08.01.2020
969views
1comment
0
ron_villela
Level 21
Miami
Question about the task Task about algorithms
Java Syntax, Level 5, Lesson 12
Under discussion
not seeing where this is incorrect....sample input is output correctly on IntelliJ....package com.codegym.task.task05.task0532; import java.io.*; /* Task about algorithms */ public class Solution { public static void main(String[] args) throws Exception { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); int num = Integer.parseInt(
03.08.2021
469views
4comments
0
Chris
Level 19
Newark
Question about the task Static cats
Java Syntax, Level 6, Lesson 11
Under discussion
Unsure of how to solve the last step.If someone can walk me through the last step it would be greatly appreciated.
02.05.2021
837views
3comments
0
Andrei
Level 41
Question about the task Rollback
Java Collections, Level 9, Lesson 9
Resolved
Is there something wrong with my logic? Because it does what the requirements are.I have even compared it to the solution , and they seem quite similar in output. Maybe I am missing something?
02.08.2021
378views
2comments
0
Josephine
Level 26
Normal
Question about the task Snake (Part 18/20)
Games, Level 0, Lesson 1
Resolved
I have no idea why UP and DOWN Direction not passing...I have no idea why UP and DOWN Direction not passing....Someone please help .I am stuck at part18 of snake game
05.11.2020
706views
2comments
0
Сергей
Level 24
Kryvyy Rih
Question about the task Word search
Java Core, Level 10, Lesson 10
Under discussion
Can somebody help me?I've got the right answer, but still not pass verification.
28.07.2021
494views
2comments
0
Ryan Palmer
Level 20
Philadelphia
Question about the task Fix the bugs
Java Core, Level 8, Lesson 5
Under discussion
Another Comprehension check Would someone be willing to see if my explanation of what is happening is accurate? 1. if (inputStream.available() > 0) { // Read the entire file in one batch 2. byte[] buffer = new byte[inputStream.available()]; 3. int count = inputStream.read(buffer); 4.
01.08.2021
494views
1comment
0
Ryan Palmer
Level 20
Philadelphia
Question about the task Maximum byte
Java Core, Level 8, Lesson 3
Resolved
Comprehension question Could someone help understand these lines of code? int[] byteCountArray = new int[256]; try (FileInputStream fileInputStream = new FileInputStream(fileName)) { while (fileInputStream.available() > 0) { byteCountArray[fileInputStream.read()] += 1;
31.07.2021
400views
5comments
0
Shashikant Sharma
Level 8
Surat
Question about the task Arithmetic mean
Java Syntax, Level 5, Lesson 5
Resolved
What's The Problem Here?🤨Why Does The Last Condition Doesn't Met Even Though The Output Is Correct?
31.07.2021
436views
4comments
0
#mr.coder
Level 5
Question about the task 2048 (Part 1/18)
Games, Level 0, Lesson 2
Under discussion
java where is java use?
21.07.2021
525views
2comments
0
Michaela Obertova
Level 30
Palo Alto
Question about the task MVC (part 4)
Java Multithreading, Level 4, Lesson 14
Resolved
Last condition no verifying Hi, does someone please know why the last condition isn't verifying for me? Thanks
28.07.2021
597views
2comments
0
NNAMDI HENRY
Level 6
ABUJA
Question about the task Improving functionality
Java Syntax, Level 5, Lesson 12
Resolved
CONFUSED!what is wrong with my code? It issues an error saying: ")" expected in line 31 position 861. I need solution to this peoblem.
29.07.2021
527views
2comments
0
Jomar Tayactac
Level 5
Winnipeg
Question about the task Crossing the road blindly
Java Syntax, Level 4, Lesson 4
Under discussion
What's wrong with my code? I seem to satisfy all the requirements but it won't give me all the check marks.import java.io.*; public class Solution { public static void main(String[] args) throws Exception { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); double num = Double.valueOf(reader.readLine()); double time = num % 5; if (time <=
28.07.2021
813views
2comments
0
Zach
Level 22
Fort Collins
Question about the task Constructor
Java Syntax, Level 5, Lesson 9
Under discussion
Why am I getting a nullpointer exception?The class inside of a class is confusing me. Thanks in advance. package com.codegym.task.task05.task0523; /* Constructor */ public class Circle { public Color color; public static void main(String[] args) { Circle circle = new Circle(); circle.color.setDescription("Re
14.03.2021
851views
5comments
0
Daniel
Level 41
Rybnik
Question about the task Log parser (part 1)
Java Collections, Level 7, Lesson 15
New
Looks good but validator won't let me go on!Hi guys! Actually I have no idea what is wrong with my solution as I checked it with various logs in file - could you take a look please ? Any help would be appreciated!
29.07.2021
378views
1comment
0
Andrei
Level 41
Question about the task Let's recall inheritance
Java Multithreading, Level 4, Lesson 9
Resolved
Logic halp ples Solution class extends C, i know, I just deleted the inheritance so I can verify the code so it shows here. Anyway, I solved the problem but I don't understand the following: 1. How is CCB printed considering that nothing from C class is called. Is it because when a Solution class objec
12.04.2021
1154views
3comments
0
Alexander Lieder
Level 7
Leipzig
Resolved
Change course language to English Hello. Is it possible to change the language for the course and the tasks? I started the course in German, but I'd like to continue in English, however, there seems to be no option for that in the settings. I tried setting the interface language in the bottom right corner to English, that does not c
23.10.2020
980views
3comments
1
Darko Jakimovski
Level 18
Kriva Palanka
Question about the task Creating threads recursively
Java Core, Level 6, Lesson 13
Resolved
Can't see my mistake I only get one line of output. I revisited each line a couple of times and can't find what's the problem. It only creates one object WhyTheFace?!
22.05.2019
1877views
6comments
1
NOBODY
Level 5
Question about the task Initializing objects
Java Syntax, Level 5, Lesson 7
Under discussion
still trying anybody?
27.10.2020
563views
4comments
0
Vlad
Level 29
Khon Kaen
Question about the task CRUD 2
Java Core, Level 7, Lesson 10
Resolved
i dont see anything wrong with this but 5 & 6 wont pass please help
28.07.2021
717views
2comments
0
Abdelrahman
Level 5
Amman
Question about the task Initializing cats
Java Syntax, Level 5, Lesson 7
Under discussion
help I haven't continued yet but I have run into an issue so since I already have public void initialize(String name, int weight, int age) Typed in line 18 I cant type public void initialize(String name, int age, int weight) On line 23 but its what its asking from me so any hint on what to do
14.03.2021
826views
2comments
0
Andrei
Level 41
Question about the task The long forgotten Array
Java Collections, Level 7, Lesson 10
Under discussion
What is the difference between returning the solution and returning an initialized array ? In line 20, I wanted to return return new Number[]{4,5,6}; but the mentor wouldn't accept my version. Why is that? package com.codegym.task.task37.task3706; import java.util.Arrays; import java.util.List; /* The long forgotten Array */ public class Solution { public static void ma
26.07.2021
537views
5comments
0
Justin Smith
Level 41
Greenfield, USA
Question about the task 2048 (Part 11/18)
Games, Level 0, Lesson 2
Resolved
This is a tough one I am having a harder time with this than any other task. I want to do this with a loop, but I had to find a pattern first so I wrote out all 16 parts of the rotation. It seems like I found the pattern but it still won't validate. In the example, I am assuming that gameField[0] is the first array, {
26.07.2021
524views
2comments
0
Justin Smith
Level 41
Greenfield, USA
Question about the task 2048 (Part 6/18)
Games, Level 0, Lesson 2
Under discussion
Why do we invert gameField[x][y] to gameField[y][x]? It produces wrong cell reference My code passed validation so I can't attach any code. I'm less concerned about validation than about the code making sense. I have added some simple println statements to get the two cells that are set. Here is one example with a screenshot of the board: When I test the values I get: gameField[1][0
26.07.2021
753views
4comments
0
Mukesh Vudayagiri
Level 10
Ferokh
Question about the task Implement the fight method
Java Syntax, Level 5, Lesson 5
Under discussion
What's wrong in this code. Help needed.Somebody help me with this. It's not accepting the code. What's wrong with this. I cannot find (It's showing "If cat1 beats cat2, then cat2 must lose to cat1.").
28.08.2018
2545views
13comments
1
Evgen
Level 23
Question about the task Number algorithms
Java Core, Level 10, Lesson 10
New
problem with output of Long.MAX_VALUE I check program for many input values, for max integer it works fine, but it didn't output the last 7 numbers for max long
26.07.2021
496views
0comments
0
David
Level 5
Question about the task Sorting three numbers
Java Syntax, Level 4, Lesson 6
Under discussion
Last condition was not validated [x] "The program should display the numbers in descending order." package com.codegym.task.task04.task0420; /* Sorting three numbers */ import java.io.*; public class Solution { public static void main(String[] args) throws Exception { //write your code here BufferedReader
26.07.2021
655views
1comment
0
David
Level 5
Question about the task You can't have too much of a good thing
Java Syntax, Level 4, Lesson 10
Under discussion
Any idea where is the issue in my code?[Failed] "The program should display the string N times." package com.codegym.task.task04.task0432; /* You can't have too much of a good thing */ import java.io.*; public class Solution { public static void main(String[] args) throws Exception { //write your code here Bu
26.07.2021
489views
1comment
0
NaTasia Madison
Level 8
Atlanta
Question about the task Task about algorithms
Java Syntax, Level 5, Lesson 12
Under discussion
Not understanding the arrays in the solution Can someone explain step by step please.
26.07.2021
325views
0comments
0
Liliane Top
Level 24
Amsterdam
Question about the task Sequential file output
Java Core, Level 6, Lesson 13
Under discussion
3 questions about this task 1) // ReadFileInterface f = new ReadFileThread();// why do we have ReadFileInterface instead of ReadFileThread? ReadFileThread f = new ReadFileThread();//this makes more sense to me to use the reference datatype as ReadFileTRead instead of the interface. 2) This gives the same output as the
26.12.2020
740views
8comments
0

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