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Java 25
All quests
All levels
Any status
Questions about tasks
Hot
Jason Ahn
Level 5
Calgary
Question about the task
Bouncer policy
Java Syntax
,
Level 4
,
Lesson 6
Under discussion
Please help me..
I'm stuck with this question for literally an hour and still don't know what the problem is...Please please help me :(
12/21/18
2150
views
6
comments
0
dean
Level 8
Deutschland
Question about the task
Let's put together a rectangle
Java Syntax
,
Level 5
,
Lesson 7
Under discussion
method initialize(int,int,int) is already defined in class com.codegym.task.task05.task0513.Rectangle: Rectangle.java, line: 30, column: 17
Hey, the error says that i can't create 2 initialize() with the same data type parameters... why is that? com/codegym/task/task05/task0513/Rectangle.java:30: error: method initialize(int,int,int) is already defined in class com.codegym.task.task05.task0513.Rectangle public void initialize(int
4/24/19
2876
views
5
comments
0
ddi
Level 18
Dortmund
Question about the task
One large array and two small ones
Java Syntax
,
Level 7
,
Lesson 4
Under discussion
What am i missing?
What am i missing?
6/8/19
1229
views
2
comments
0
Raisa Toscano
Level 27
Tepic
Question about the task
Identical words in a list
Java Syntax
,
Level 10
,
Lesson 11
Under discussion
why doesnt fullfiel the third condition?
int values=1; HashMap result = new HashMap(); for (int unique = 0; unique
1/7/19
1728
views
4
comments
0
nithya lmk
Level 4
Bangalore
Question about the task
Do we have a pair?
Java Syntax
,
Level 4
,
Lesson 4
Under discussion
can someone please tell me the error
package com.codegym.task.task04.task0417; /* Do we have a pair? */ import java.io.*; import java.util.Scanner; public class Solution { public static void main(String[] args) throws Exception { Scanner in = new Scanner(System.in); int a = in.nextInt(); int b = in.ne
8/31/18
2115
views
7
comments
0
Satya Vath
Level 31
Vijayawada
Question about the task
Refactoring (part 13)
Java Multithreading
,
Level 5
,
Lesson 16
Under discussion
Help Me
Please
6/18/19
1537
views
2
comments
0
User
Level 5
Shymkent
Question about the task
Seasons on Terra
Java Syntax
,
Level 4
,
Lesson 4
Resolved
can't resolve
What's wrong i can't understand
6/18/19
1263
views
3
comments
0
Ben Valenta
Level 5
Washington
Question about the task
Initializing cats
Java Syntax
,
Level 5
,
Lesson 7
Under discussion
Can't figure out the last part
In the final part where we are given weight, address, and color and told to initialize everything except name, I can't get it to accept.
1/28/19
2136
views
7
comments
0
Sudhansu Shekhar
Level 6
Jaipur
Question about the task
Initializing cats
Java Syntax
,
Level 5
,
Lesson 7
Resolved
I can't understand what its asking for....??,
As per the requirement 7. The class must have an initialize method that takes a name as an argument, but initializes all variables except the address. 8. The class must have an initialize method that takes a name, weight, and age as arguments, but initializes all variables except the address. 9.
5/31/19
1859
views
2
comments
0
smile
Level 7
Tainan
Question about the task
Tom and Jerry
Java Syntax
,
Level 5
,
Lesson 12
Resolved
Why can't I use "extends" to create 3 variables?
I use "extends" to create 3 variables in "Dog" class and "Cat" class. But I failed. Why? What's wrong with my code?
6/18/19
1986
views
8
comments
0
Serg
Level 23
Tyumen
Question about the task
We don't need repeats
Java Syntax
,
Level 8
,
Lesson 8
Under discussion
How is the problem solved?
How is the problem solved? The removeFirstNameDuplicates() method must remove from the map all people who have the same first name.
6/14/19
1570
views
2
comments
0
Franek
Level 29
Torun
Question about the task
Adding a file to an archive
Java Collections
,
Level 1
,
Lesson 6
Under discussion
Will anyone help?
I'm not sure i understand it
6/5/19
1455
views
1
comment
0
Biplob
Level 1
কুমিল্লা
Question about the task
Reinforce the singleton pattern
Java Core
,
Level 5
,
Lesson 12
Resolved
how to create separate class files in web IDE?
Task requirement • The Sun, Moon and Earth classes must be in separate files. Is it possible to create separate files for classes in web IDE? if So , how?
6/17/19
1760
views
4
comments
0
Emenike Ayalogu
Level 13
Bowling Green
Question about the task
Functionality is not enough!
Java Syntax
,
Level 10
,
Lesson 11
Under discussion
At loss with what else to do
Don’t know what to do again
6/8/19
1391
views
2
comments
0
Павел Артеменко
Level 41
Krasnodar
Question about the task
Aggregator (part 3)
Java Collections
,
Level 8
,
Lesson 15
Resolved
Bugged
I do have getter and setter on websiteName, but validator don't see this.
6/17/19
1232
views
4
comments
0
Cristina Tane
Level 4
Bucharest
Question about the task
Pay raise
Java Syntax
,
Level 2
,
Lesson 2
Under discussion
What is wrong on this code? It's related to the lecture 2 lesson 2
package com.codegym.task.task02.task0205; /* Pay raise */ public class Solution { public static void main(String[] args) { hackSalary(7000); } public static void hackSalary(int a) { //write your code here a=8000; int b=a+1000; System.out.printl
6/18/19
1358
views
2
comments
0
hidden #10441159
Level 16
Question about the task
Family census
Java Syntax
,
Level 7
,
Lesson 12
Resolved
Not entirely sure what`s wrong.Condition 2,3,4 isn`t validating however console output is correct
package com.codegym.task.task07.task0724; /* Family census */ public class Solution { public static void main(String[] args) { // write your code here Human obj1 = new Human("jon", false, 23); Human obj2 = new Human("snow", true, 63); Human obj3 = new Human("
6/18/19
1779
views
2
comments
0
Neha Anjum
Level 6
Hyderabad
Question about the task
Closest to 10
Java Syntax
,
Level 4
,
Lesson 4
Resolved
Missing something..???
public class Solution { public static void main(String[] args) { closeToTen(8, 11); closeToTen(7, 14); } public static void closeToTen(int a, int b) { int a1 = abs(a - 10); int b1 = abs(b - 10); if (a1 > b1) { System.out.println(b); } else if
9/17/18
2341
views
8
comments
2
Satya Vath
Level 31
Vijayawada
Question about the task
Refactoring (part 12)
Java Multithreading
,
Level 5
,
Lesson 16
Resolved
Help Me
How To Do It
6/18/19
1125
views
5
comments
0
علي حجار
Level 18
Bursa
Question about the task
Animal set
Java Syntax
,
Level 8
,
Lesson 11
Under discussion
can help me ?!
why is not working ,I added all animal into hashSet<>result
12/3/18
2089
views
8
comments
0
Satya Vath
Level 31
Vijayawada
Question about the task
Refactoring (part 10)
Java Multithreading
,
Level 5
,
Lesson 16
Resolved
Help Me
Reccomendation from mentor :- The Car create(int, int) method must return a Car object based on the passed argument.
6/18/19
1698
views
5
comments
0
Nitin
Level 5
Question about the task
Somehow average
Java Syntax
,
Level 4
,
Lesson 16
Under discussion
What is correct way to solve this problem, i tried a lot?
3/12/19
2021
views
6
comments
0
Pooja Gujjer
Level 2
Mumbai
Question about the task
Our first converter!
Java Syntax
,
Level 2
,
Lesson 2
Under discussion
I dont know what to do?? Somebody plzz help!!
I tried thousand time but i am not getting the answer
6/14/19
1376
views
2
comments
0
Profj
Level 20
Lagos
Question about the task
Freedom of the press
Java Core
,
Level 2
,
Lesson 4
Resolved
Not verifying
I don't know what the problem is
6/17/19
1380
views
2
comments
0
Mom Meme
Level 19
Boston
Question about the task
Counting commas
Java Core
,
Level 8
,
Lesson 5
Under discussion
Codegym Server JDK doesn't support "var"
Maybe update to JDK 11 or 12.
4/23/19
1293
views
2
comments
0
Joyonta Saha
Level 31
Question about the task
Deadlock
Java Core
,
Level 6
,
Lesson 13
Resolved
Can anyone breifly explain how Threads are working here? It seems like a deadlock?
Need help?
10/4/18
1648
views
0
comments
1
Aman saw
Level 9
Madanpur
Question about the task
Sorting three numbers
Java Syntax
,
Level 4
,
Lesson 6
Under discussion
dont know what is wrong in my code
dont know what is wrong in my code
6/8/19
1371
views
2
comments
0
Satya Vath
Level 31
Vijayawada
Question about the task
Refactoring (part 7)
Java Multithreading
,
Level 5
,
Lesson 16
Resolved
Recommendation from mentor : - The printStudentInfo(Student) should display information about the student.
Help
6/17/19
1276
views
9
comments
0
Mikayla Pace
Level 27
Salt Lake City
Question about the task
Kind Emma and the summer holidays
Java Syntax
,
Level 8
,
Lesson 8
Resolved
java.text.ParseException
I keep getting an error on line 60. It says, "unreported exception java.text.ParseException; must be caught or declared to be thrown" I've looked it up and everything i'm reading says I have an error in my date formats, but I can't figure out what it would be, as they all seem to be formatted the sa
6/14/19
3171
views
2
comments
0
Marlin Johnson
Level 9
Bloomington
Question about the task
Somehow average
Java Syntax
,
Level 4
,
Lesson 16
Under discussion
Hmm? Confused?
Have I understood the question correctly?, it seems working even for negative number, but getting "Be sure the program works for negative numbers", can't find what's wrong? Could anyone help ?
6/13/19
1658
views
5
comments
0
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