Page 86 | CodeGym online Java course - Help

BlueJavaBanana
Level 37
Question about the task Fibonacci numbers using recursion
Java Collections, Level 4, Lesson 2
Resolved
Does this need to be solved with one method?Do I need to solve this task within this method? public int fibonacci(int n) { return 0; } Or will I need to make a helper method that uses arrays to keep track of the n-1, n-2?
21.02.2021
512views
3comments
0
Max
Level 5
Stamford
Question about the task Adding
Java Syntax, Level 4, Lesson 16
Under discussion
Need help I can't find the error.
20.02.2021
573views
4comments
0
TaoLu
Level 20
泾县
Under discussion
An error occurred: APP_PUBLISH_ERROR An error occurred during verification when i run task of Minesweeper (Part 16/16)
21.02.2021
578views
0comments
1
TaoLu
Level 20
泾县
Under discussion
Task number and link of task page how to Enter the number or link to the task page is it https://codegym.cc/tasks/com.codegym.games.minesweeper.part16 or some code? How to view details for task number or page of link ?
21.02.2021
409views
1comment
1
Raed Saleh
Level 25
Amman
Question about the task Tracking changes
Java Core, Level 9, Lesson 11
Under discussion
this task wont verify why this task wont verify I would be grateful if some one help me out thanks
20.02.2021
702views
2comments
0
Mohammed Alderweesh
Level 13
Dhahran
Question about the task Target locked!
Java Syntax, Level 4, Lesson 6
Under discussion
This should work!!!!I crossed referenced it with the solution they give and it is the same, but it says that the tasks are un-met. I would appreciate any help. Thank you.
20.02.2021
594views
4comments
0
Philip T-D
Level 18
San Diego
Question about the task IMF
Java Core, Level 7, Lesson 4
Resolved
How does this not work? I need a hint... public class IMF { private static IMF imf; public static IMF getFund() { synchronized (imf) { if(imf == null) imf = new IMF(); return imf; } } private IMF() { } }
02.05.2019
1965views
5comments
0
Bogdan Codreanu
Level 23
Question about the task Synchronized president
Java Core, Level 7, Lesson 4
Resolved
can someone help please ??
22.07.2019
1648views
2comments
1
Tomasz Zalejski
Level 8
Warsaw
Under discussion
No task in IntelliJ IDEA I came to level 3. You told me to install IntelliJ and the plugin. done. The program shows only completed tasks from level 0 and 1. When you click on them, an error appears. Why are there no level 2 or level 3 tasks?
31.10.2019
1594views
11comments
0
Anthony Chalk
Level 30
London
Question about the task Rectangle algorithms
Java Core, Level 10, Lesson 10
Resolved
Matches task example output?Sorry if the code is a little messy, the idea I was going with is: 1) If an element (point A) == 1, increment rectangleCount and - 2) Change the value to 0 (so it doesn't get recounted at a later point) 3) Check if/how many consecutive elements in the same row are also 1 4) Change all those values t
22.03.2020
1465views
8comments
2
EugeneEmory
Level 8
San Antonio
Question about the task Rule of the triangle
Java Syntax, Level 4, Lesson 4
Resolved
Verification doesn't like it?So with the variables 1,2,3 the code will run and the message "the triangle is not possible" comes up. That should be correct because it is executing properly but the verification doesn't register it. Anyone see something that I can't?
12.02.2021
575views
7comments
0
Damian Bochen
Level 37
Krakow
Question about the task CRUD 2
Java Core, Level 7, Lesson 10
Under discussion
Problem with "bd"My code works for all tests, but there is a problem. According to requirements, the bd format is 04 15 1990 not "04 15 1990", so I had to go further with args[i+?]. Can anyone help me?
18.02.2021
504views
2comments
0
Daniel
Level 41
Rybnik
Question about the task Number algorithms
Java Core, Level 10, Lesson 10
Under discussion
My solution works like a charm but I can't pass last requirement public class Solution { public static long power(long a, long b) { //my method to do Math.pow long powerResult = 1; while (b >= 1) { powerResult = powerResult * a; b--; } return powerResult; } public static long[] getNumbers(lo
19.02.2021
575views
1comment
0
Azamat Aminov
Level 41
Tashkent
Question about the task Symbol frequency
Java Core, Level 8, Lesson 11
Resolved
Friends I need help, I think output is correct and also I used to sort TreeMap but task is not verified .
21.12.2019
1257views
2comments
0
silent_sunshine
Level 23
Orlando
Resolved
I don't know why it can't verify. package com.codegym.games.game2048; import com.codegym.engine.cell.Game; import com.codegym.engine.cell.*; import java.util.*; import java.util.function.IntPredicate; /** * @author zhouqichun * @version 1.0 * @date 2021/2/19 - 02 - 19 - 16:35 * @description CodeGymTasks com.codegym.games.ga
19.02.2021
523views
1comment
0
Shubham Yadav
Level 2
Lucknow
Resolved
help in { public Woman owner; } in this code.... public static class Cat { public Woman owner;
13.02.2021
791views
14comments
0
Gus Iwanaga
Level 18
Munich
Under discussion
Help with Abnormal build process termination Hello everyone! I just started level 9 (Java Syntax quest) and for whatever reason I keep getting this massive error message. Has anybody faced the same issue? I'm in touch with the support team but wanted to check if somebody was able to get this solved... Full error message: Abnormal build proc
18.02.2021
1156views
1comment
0
Daniel Whyte
Level 17
Question about the task Longest string
Java Syntax, Level 7, Lesson 6
Under discussion
List This seems like a funny way to create the list. I thought it would be more like the below: ArrayList<> list = new ArrayList<>();
18.02.2021
398views
0comments
0
Andrei
Level 41
Question about the task John Johnson
Java Core, Level 9, Lesson 11
Resolved
Stupid date not formatting my output. What the hell?So everything checks out by the mentor except for the date. Even though I think I did everything by the book, SDF won't format my date in the desired output. What am I missing?
18.02.2021
758views
8comments
0
Dmitri
Level 22
Seversk
Question about the task Serializable Solution
Java Core, Level 10, Lesson 7
Under discussion
This code passed but the task is kind of strange.This code passed but the task is kind of strange. If you run my code you will see that the written object is not equal to the read one. Only their string field are equal. That is sort of confusing and misleading.
19.02.2021
544views
1comment
0
Andrei
Level 41
Question about the task Searching for the right lines
Java Core, Level 9, Lesson 11
Resolved
Confusing requirements. A B A D // 3 words from words, rejected ????Hello, for task package com.codegym.task.task19.task1922 something is not making sense for me: Display all of the file's lines that contain only 2 words in the words list. A B A D // 3 words from words, rejected - what do you mean it has 3 words? It only has 2 which are A and B. Does it count th
19.02.2021
517views
2comments
0
MoJo
Level 23
Cairns
Question about the task Rectangle algorithms
Java Core, Level 10, Lesson 10
Resolved
"Arrays.copyOf(original, newLength)" works wierd?I did the task but i tried to copy the passed array using Arrays.copyOf(a, a.length). This did copy it but also it was mirroring my alternations to the original. So i had to copy oldschool with a for loops.... Shouldn't .copyOf() create a distinct copy of the given array that is not affecting the o
18.02.2021
497views
2comments
0
Denis
Level 22
Kharkiv
Question about the task Debug, debug, and again debug
Java Core, Level 5, Lesson 12
Under discussion
how i can solve this help me pls what i must change
26.06.2019
1537views
4comments
0
Russell
Level 9
Galmpton, Brixham
Question about the task Month number
Java Syntax, Level 8, Lesson 11
Under discussion
Why? WHY WONT YOU WORK this i supposed ot be a medium task, and as far as I can see, when i run the program it outputs EXACTLY as its supposed to. i take in the variable and convert it to upper case. (to workaround people not capitalizing words) then i compare the uppercase version of the input with the upper case versio
20.12.2020
571views
4comments
0
EugeneEmory
Level 8
San Antonio
Question about the task Adding
Java Syntax, Level 4, Lesson 16
Under discussion
Verifier problems?I seem to be having this problem a lot. As with my other problems, the code is working and includes -1 in the sum but the verifier doesn't seem to catch it. Anyone have a solution?
17.02.2021
618views
11comments
0
Raja Kumar
Level 0
Bangalore
Question about the task Snake (Part 14/20)
Games, Level 0, Lesson 1
Under discussion
I want to see what is inside that Game class or Key class.does any body know how to see what are the different methods inside the game class or key class. so that to see the contents of the predefine function which we are using in this game development for getting the idea how the things work in this game. in this game they have just told to inherit the g
18.02.2021
529views
0comments
0
Banak
Level 29
Saint-Gratien
Question about the task Number algorithms
Java Core, Level 10, Lesson 10
Under discussion
Missing element or Extra element in the Array Could someone please explain to me what is wrong with the returned ARRAY?
18.02.2021
479views
1comment
0
Zach
Level 22
Fort Collins
Question about the task HashMap of Objects
Java Syntax, Level 8, Lesson 3
Under discussion
Null pointer exception I'm confused as to how to work around the null pointer exception with this object. map.put("Baby", null); map.put("Hugs", 111111111111L); <--------- This is also not correct, right??? Here is the code to get the value. Does toString() not work on null objects? String value = person.getValu
07.02.2021
986views
2comments
0
Ahmad Abbasi
Level 9
Anaheim
Question about the task Stack trace revisited
Java Syntax, Level 9, Lesson 2
Under discussion
see above task - help why do we have to get third index and not a different one?
18.02.2021
585views
1comment
0
dhanush
Level 30
Chennai
Question about the task Feline carnage
Java Syntax, Level 5, Lesson 5
Resolved
help can anyone tell what i'm doing
30.05.2020
933views
7comments
0

1
...
84
85
86
87
88
...
372