Page 136 | CodeGym online Java course - Help

hu-zza
Level 22
Budapest
Question about the task Find the bugs
Java Core, Level 10, Lesson 10
Resolved
The reason of this If I understand correctly, it's a solution for a real life situation: 1. There is a class that's not serializable nor externalizable for some reason. 2. We have to extend it because we need its unique functionality, etc... 3.a We have to serialize our heir class. 3.b However, the parent class obstr
17.07.2020
578views
0comments
2
John Raets
Level 3
Not in list
Question about the task Parenthetical brainteaser
Java Syntax, Level 3, Lesson 4
Under discussion
Very Confused??? Answer is correct but can't figure out why I keep getting the answer about needing 2 starting brackets and 2 ending brackets...HELP!!!!!public class Solution { public static void main(String[] args) { System.out.println(2*(3+(4*(5+(6*7))))); } }
19.09.2020
671views
2comments
0
Denis
Level 22
Kharkiv
Question about the task Catching a group of exceptions
Java Syntax, Level 9, Lesson 8
Under discussion
Help me pls Give me only solution pls for my full understanding.thanks
20.06.2019
2079views
17comments
0
Oliver Tookey
Level 10
Hastings
Question about the task Do we have a pair?
Java Syntax, Level 4, Lesson 4
Under discussion
Cant get it to work when all three numbers are equal. Why isn't this working? Thanks Cant get it to work when all three numbers are equal. Why isn't this working? Thanks if((nOne==nTwo)&&(nTwo==nThree)); System.out.println(nOne +" " + nTwo +" " + nThree) else if ................
19.09.2020
396views
1comment
0
Rim
Level 11
Bucharest
Question about the task Minimum of N numbers
Java Syntax, Level 8, Lesson 11
Resolved
why we couldnt resolve it with Collections?i try to resolvethe problem of the method getMin with collection but it doesnn t work . could someone told me why,please?
16.09.2020
389views
2comments
0
Ashleigh
Level 7
Easton
Question about the task Streets and houses
Java Syntax, Level 7, Lesson 4
Archived
How are we able to use i for two loops I always thought when using more than one loop the i had to change in the 2nd loop to another letter such as j or k yet I have been able to use i in two or more loops such as below. Why is that? for(int i = 0; i < total.length; i++) { total[i] = Integer.parseInt(reader.readLine());
16.09.2020
543views
2comments
0
Yuliya Samsonava
Level 3
Question about the task Family relations
Java Syntax, Level 2, Lesson 2
Under discussion
Need help package com.codegym.task.task02.task0204; /* Family relations */ public class Solution { public static void main(String[] args) { // Woman Woman = new Man(); Man Man = new Woman(); Man.wife = Woman; Woman.husband = Man; } public static clas
19.09.2020
645views
3comments
0
myqms
Level 12
Landshut
Question about the task Inverted words
Java Multithreading, Level 2, Lesson 9
Under discussion
My solutions seems to work correkt, but does not pass ???I debugged my solution and it seems to work correkt, but does not pass. Please help. Where is my mistake?
19.09.2020
376views
1comment
0
ADITYA JAYANTH
Level 1
Mumbai
Under discussion
Can anyone explain me how this code works? Thank you in advance!!!public class Home { int a; int b; public static void main(String[] args) { System.out.print("1"); } public static double pi() { return 3.14; } }
19.09.2020
458views
1comment
0
Michał
Level 6
Under discussion
Closed tasks after connection Inelij with CodeGym...How can I open task after connection Inteliij with CodeGym? I see the instruction but I can not do this. I am after my first use.. Now even level 0 tasks are closed for me...
19.09.2020
331views
1comment
0
Michael
Level 10
Dresden
Question about the task Playing Javarella
Java Syntax, Level 7, Lesson 9
Resolved
Although the result is the correct one, the code does not validate. Any ideas, why this is so?Thanks for your replies!
12.09.2020
560views
8comments
0
vamsi mokari
Level 13
Hyderabad
Question about the task Longest sequence
Java Syntax, Level 8, Lesson 6
Under discussion
Be sure that the program works correctly if the sequence consists of numbers greater than 127.I am getting below error: Be sure that the program works correctly if the sequence consists of numbers greater than 127. Could you please help me this error , In the problem statement it was mentioned clearly we are adding only 10 numbers in a list
19.09.2020
356views
1comment
0
John Raets
Level 3
Not in list
Question about the task Pay raise
Java Syntax, Level 2, Lesson 2
Under discussion
Can anyone tell me what is wrong with my code even though I get the exact output they are asking for?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) { a = a + 1000; System.out.println("Your salary is: "+(a+1000)+ " dollars per mo
17.09.2020
630views
4comments
0
John Raets
Level 3
Not in list
Question about the task Minimum of four numbers
Java Syntax, Level 2, Lesson 8
Under discussion
Don't understand the min(a,b) method with the min(a,b,c,d) method! Can anyone explain and help me out pleaseeeeee!public class Solution { public static int min(int a, int b, int c, int d) { if(a<=b && a<=c && a<=d) return a; else if(b<=a && b<=c && b<=d) return b; else if(c<=a &a
17.09.2020
542views
2comments
0
mona
Level 7
Question about the task Implement the print method
Java Syntax, Level 2, Lesson 1
Under discussion
can't understand I can't understand this lesson and task😔😔 please....,anyone explain to me...
16.09.2020
554views
2comments
0
Richard Han
Level 4
Lipa
Question about the task Jen or Jen?
Java Syntax, Level 4, Lesson 6
Resolved
I dunno What is wrong with this? I have no idea. Please please PLEASE help
14.09.2018
3024views
5comments
0
Angeget
Level 22
Potsdam
Question about the task DownloadException
Java Core, Level 8, Lesson 5
Resolved
Has anyone solve this. this make no sense for me. The requirement is confusing. Help please Has anyone solve this. this make no sense for me. The requirement is confusing.
19.02.2019
2078views
4comments
1
Nicolas Huet
Level 41
Provins
Question about the task Splitting a file
Java Core, Level 8, Lesson 5
Under discussion
I don't understand how it's writen in the second file just write but not in the second? Output in IntelliJ seems ok...I don't understand how it's writen in the second file just write but not in the second? Output in IntelliJ seems ok...
04.06.2019
1473views
6comments
1
Laura
Level 7
Lübeck
Question about the task Improving functionality
Java Syntax, Level 5, Lesson 12
Under discussion
Mistake in my ifs Hey, I think there is something wrong in my ifs can someone check that, please? Thanks!
17.09.2020
396views
3comments
0
sourav bamotra
Level 20
jammu
Question about the task GCD
Java Core, Level 4, Lesson 8
Resolved
how to encounter the second requirement -_-what actually the 2nd requirement asks us to do. it doesn't specifically says that if integer is negative throw exception. it says if lines can't be converted to positive throw exception.
18.09.2020
600views
4comments
0
SOUFIANE DAHIMI
Level 32
Marrakech
Question about the task Chat (part 11)
Java Multithreading, Level 6, Lesson 15
Under discussion
I tried my best to figure out a suitable solution, but it still doesn't pass !!! Please I need you help I don't know honesly what is messing. I tried with different approaches but none of them met the requirements. Could you help me
25.04.2020
762views
1comment
2
manatsu ginn
Level 28
Tokyo
Question about the task Chat (part 11)
Java Multithreading, Level 6, Lesson 15
Under discussion
God, plz help.I don't know what it wants.
16.07.2020
371views
1comment
0
Niklas Braun
Level 33
Freiburg
Question about the task Chat (part 11)
Java Multithreading, Level 6, Lesson 15
Under discussion
last condition not passed Last condition is not passed. Problems with closing the connection in the run() method. I already tried with putting the connection into the try-with-resources-statement and with closing the connection in the finally-block. Both solutions did not work.
17.06.2020
486views
2comments
0
Andrei
Level 41
Question about the task Crossing the road blindly
Java Syntax, Level 4, Lesson 4
Under discussion
I am trying to use the modulo in this way. Can someone please guide me with some pointers?Can someone please let me know what is wrong with my code? I have tried many variants but none seem to be working. I am missing some information regarding how the modulo operator works? import java.io.*; import java.util.Scanner; public class Solution { public static void main(String[] args)
16.09.2020
688views
4comments
0
Inifome
Level 10
Delta
Question about the task Cat relations
Java Syntax, Level 6, Lesson 11
Resolved
can't find the problem can't satisfy the fourth condition onwards
17.09.2020
560views
2comments
0
Gabriel Gathogo
Level 4
Nairobi
Question about the task Minimum of two numbers
Java Syntax, Level 2, Lesson 8
Resolved
HELP ME OUT else without if
18.09.2020
1065views
2comments
0
Sela
Level 20
Question about the task Most frequent bytes
Java Core, Level 8, Lesson 3
Resolved
how to buffer readings from very big files like over 20 MB task completed but i have not figured out yet how to buffer readings from very big files. i have used fileInputStream.read() to read from file but for length of above 20 MB it is very slow. if i will use fileInputStream.read(chunkArray) then i could not add this chunk arrays into ArrayList beca
16.09.2020
424views
2comments
1
ANUJA ARJUNAN
Level 5
Munnar
Question about the task Closest to 10
Java Syntax, Level 4, Lesson 4
Under discussion
plz help me i don't know what is the error here?
15.01.2019
2531views
12comments
0
Harikrishnan B
Level 3
Bangalore
Question about the task Implement the print method
Java Syntax, Level 2, Lesson 1
Under discussion
is there an option to re run already completed task and see results?is there an option to re run already completed task and see results?
12.09.2020
437views
1comment
0
Ákos Kovács
Level 10
Budapest
Question about the task Duplicating words
Java Syntax, Level 7, Lesson 9
Under discussion
Error during validation, but output looks OK Please check my attached solution.
05.07.2020
765views
6comments
0

1
...
134
135
136
137
138
...
371