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Questions about tasks
Hot
Clarendon lee
Level 8
Baltimore
Question about the task
The whole duck isn't enough
Java Syntax
,
Level 5
,
Lesson 12
Resolved
Task requirements are not met
What's wrong? Verify say "Task requirements are not met" Thanks a lot!
31.10.2019
1334
views
2
comments
0
hidden #10549694
Level 3
Under discussion
How can I contiunue learning
I'm actually at level 3, lesson 1, with IntelliJ installed and I tried to solve the task in that lesson - but when I'm trying to verify my code (in a browser), the buttons just goes grey and nothing happens. Moreover, lesson 2 of this level, where I installed the CodeGym plug-in - there are only tas
01.11.2019
1363
views
4
comments
0
Станислав Владимирович
Level 4
Donduseni
Question about the task
More conversions
Java Syntax
,
Level 3
,
Lesson 8
Under discussion
Help guys
Hello guys, My program works properly, whenever i put any number i want in my program, it gives me correct answer, but last condition it's not correct, can you help me with that?
17.05.2019
1473
views
6
comments
0
gery
Level 9
Islamabad
Question about the task
More conversions
Java Syntax
,
Level 3
,
Lesson 8
Under discussion
identify correction
import java.io.InputStreamReader; import java.io.BufferedReader; public class Solution { public static void main(String[] args) throws Exception { BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); String s = bf.readLine(); int ss = Integ
13.09.2018
1441
views
7
comments
0
Mack
Level 20
Osiedle-Nowiny
Question about the task
CRUD
Java Core
,
Level 7
,
Lesson 10
Resolved
Where is mistake?
Help, please
07.12.2018
1933
views
6
comments
2
Ankush Rajput
Level 25
Bhopal
Question about the task
Snake (part 17)
Java Multithreading
,
Level 2
,
Lesson 18
Resolved
Another validation glitch ?
Couldn't find what I am doing wrong. All requirements pass except - "If the snake is still alive, then we need to add a head and remove the last element from the snake's tail." which I am clearly doing. public void move(int x, int y){ SnakeSection new_section = new SnakeSection(getX()+x,ge
09.04.2019
1402
views
3
comments
3
Jason
Level 26
Rancho Cucamonga
Question about the task
Transactionality
Java Core
,
Level 7
,
Lesson 10
Resolved
I need some outside input. I can't figure out what is going wrong.
I have been messing with this for what feels like ages now please please tell me there is still hope
03.10.2019
1305
views
3
comments
2
Boris Penchev
Level 8
Sofia
Question about the task
Longest string
Java Syntax
,
Level 7
,
Lesson 6
Archived
Why my code no was verify? Pls. help me. Thank you.
This is my code and it doesn`t work. public class Solution { private static List strings; public static void main(String[] args) throws Exception { int max = 0; strings = new ArrayList(); BufferedReader z = new BufferedReader(new InputStreamReader(System.in));
01.11.2019
1273
views
1
comment
0
Radames Sanchez
Level 5
Las Vegas
Under discussion
Can somebody explain me what is wrong with my code? It does not compile because it takes the && as the part of a boolean (?)
package com.codegym.task.task04.task0411; /* Seasons on Terra */ public class Solution { public static void main(String[] args) { checkSeason(12); checkSeason(4); checkSeason(7); checkSeason(10); } public static void checkSeason(int month) {
26.10.2019
978
views
3
comments
0
Radames Sanchez
Level 5
Las Vegas
Question about the task
Do we have a pair?
Java Syntax
,
Level 4
,
Lesson 4
Under discussion
Any suggestions?
I really can't figure out why the requirements are not met
01.11.2019
1170
views
2
comments
0
Abhirami
Level 17
Bangalore
Question about the task
Longest sequence
Java Syntax
,
Level 8
,
Lesson 6
Under discussion
Failed to pass the last requirement!
Is there anything wrong in my logic? please help.
01.11.2019
962
views
1
comment
0
Cristian
Level 16
Bucharest
Question about the task
Expressing ourselves more concisely
Java Syntax
,
Level 7
,
Lesson 6
Archived
I don't know how to code the last requirement. Thanks a lot!
package com.codegym.task.task07.task0709; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Scanner; /* Expressing ourselves more concisely */ public class Solution { public static void main(String[] args) throws Exception {
31.10.2019
1161
views
4
comments
0
Jimmy Phan
Level 7
Atlanta
Question about the task
Somehow average
Java Syntax
,
Level 4
,
Lesson 16
Under discussion
All conditions are met?
All conditions that are given to me are correct. Am I missing something? Thanks in advance!
28.10.2019
1312
views
7
comments
0
Au Ivan
Level 17
Hong Kong
Question about the task
Task about algorithms
Java Syntax
,
Level 9
,
Lesson 11
Resolved
it should be working, but...
java.lang.NullPointerException at com.codegym.task.task09.task0930.Solution.main(Solution.java:18) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(De
27.09.2019
1370
views
2
comments
2
Cristian
Level 16
Bucharest
Question about the task
What sort of list is that?
Java Syntax
,
Level 7
,
Lesson 6
Under discussion
A have a problem with the last requirement. Why? Thanks a lot.
package com.codegym.task.task07.task0707; import java.util.ArrayList; /* What sort of list is that? */ public class Solution { public static void main(String[] args) throws Exception { //write your code here ArrayList list = new ArrayList(); list.add("s1"); l
31.10.2019
1420
views
4
comments
0
Serg
Level 23
Tyumen
Question about the task
The whole duck isn't enough
Java Syntax
,
Level 5
,
Lesson 12
Resolved
implementation of the toString method for the Dog class
Strange mistake! Why not like the implementation of the toString method for the class Dog package com.codegym.task.task05.task0525; public class Solution { public static void main(String[] args) { Duck duck1 = new Duck(); Duck duck2 = new Duck(); System.out.println(d
14.05.2019
1702
views
2
comments
1
kalyan
Level 7
hyderabad
Question about the task
Snake (Part 6/20)
Games
,
Level 0
,
Lesson 1
Under discussion
Please somebody help me out with this..
Two of the requirements are not getting satisfied. Can anyone please tell me where I made the mistake?
21.10.2019
1730
views
2
comments
0
Avi
Level 0
Question about the task
Minesweeper (Part 1/16)
Games
,
Level 0
,
Lesson 0
Under discussion
what is the problem with my code?
I don't know why it doesn't work
11.08.2019
1452
views
1
comment
0
Denis
Level 22
Kharkiv
Question about the task
AmigoOutputStream
Java Core
,
Level 8
,
Lesson 8
Under discussion
I tired. Help me pls with this
Give me a solution pls
28.06.2019
1233
views
1
comment
0
Tadas
Level 4
Terneuzen
Question about the task
Minimum of three numbers
Java Syntax
,
Level 2
,
Lesson 8
Resolved
Hi guys, answer looks like is correct but still something not good
*/
31.10.2019
1084
views
2
comments
0
Tadas
Level 4
Terneuzen
Question about the task
Minimum of four numbers
Java Syntax
,
Level 2
,
Lesson 8
Resolved
Can somebody look at my code?
How I supposed to call min a, b function??
31.10.2019
1160
views
2
comments
0
Anita Pal
Level 14
Question about the task
Greater than 10? You're not a good fit for us
Java Syntax
,
Level 8
,
Lesson 8
Under discussion
what is wrong in my code
package com.codegym.task.task08.task0814; import java.util.HashSet; import java.util.Set; /* Greater than 10? You're not a good fit for us */ public class Solution { public static HashSet createSet() { HashSet set = new HashSet<>(); for(int i = 1;i<=20;i++){
30.10.2019
1008
views
2
comments
0
Olek
Level 41
Amsterdam
Question about the task
Longest string
Java Syntax
,
Level 7
,
Lesson 6
Archived
conditions 3 and 4 fail
Hi all, Can you help to understand why it fails on conditions 3 and 4? On the test input it produces the correct output. Input: grandfather grandmother daughter program car Output: grandfather grandmother
30.10.2019
1255
views
1
comment
0
SAYAN SAMANTA
Level 10
Bangalore
Question about the task
We don't need repeats
Java Syntax
,
Level 8
,
Lesson 8
Resolved
wherere is the problem?
package com.codegym.task.task08.task0817; import java.util.HashMap; import java.util.Map; /* We don't need repeats */ public class Solution { public static HashMap<String, String> createMap() { HashMap<String,String> map = new HashMap<String,String>(); ma
29.08.2018
1943
views
2
comments
0
Prabhanjan Pandey
Level 2
pune
Question about the task
Minimum of two numbers
Java Syntax
,
Level 2
,
Lesson 8
Resolved
min of two nos
i am returning the value but then also it is saying that min method must return the minimum of both numbers.
12.08.2018
3169
views
13
comments
1
Julien
Level 15
Paris
Question about the task
One large array and two small ones
Java Syntax
,
Level 7
,
Lesson 4
Resolved
Is there a best way to approach this ?
Hello guys, i'm looking to refactor this method. It split an Array of integers int[] in two smaller ones (array1 and array2) and return those as an Object[]{array1,array2} I'm pretty sure i can give some fresh to this algorithm. Someone would like to review this code ? private static Object[] in
10.05.2019
1244
views
7
comments
1
Whitney
Level 14
Onalaska
Question about the task
Cat relations
Java Syntax
,
Level 6
,
Lesson 11
Resolved
Output seems to be correct, but I'm not sure where the error is?
Example output: The cat's name is Grandfather Tiger, no mother, no father The cat's name is Grandmother Puss, no mother, no father The cat's name is Father Oscar, no mother, Grandfather Tiger is the father The cat's name is Mother Missy, Grandmother Puss is the mother, no father The cat's name is
30.10.2019
1690
views
5
comments
0
Kent Hervey
Level 19
Question about the task
ConsoleReader class
Java Syntax
,
Level 6
,
Lesson 8
Under discussion
Exception error
I am getting an error and don't know why: Error:(43, 50) java: unreported exception java.lang.Exception; must be caught or declared to be thrown public static String readString() throws Exception { //write your code here InputStream inputStream = System.in; Reader inputStreamRe
25.10.2019
1351
views
1
comment
0
Han
Level 24
Question about the task
Using JSON to convert from one class to another
Java Collections
,
Level 3
,
Lesson 5
Under discussion
I don't know how to use the className field
I'm stuck on how to serialize this. Somehow I need to let the mapper use the className field to serialize json into that object. Is there a method I'm missing? I could really use a clue :)
28.10.2019
996
views
1
comment
0
Henriett Tóth
Level 18
Budapest
Question about the task
Greater than 10? You're not a good fit for us
Java Syntax
,
Level 8
,
Lesson 8
Resolved
Help pls!
Help pls! I don't understand where is the problem. :(
29.10.2019
1048
views
2
comments
0
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