Page 35 | CodeGym online Java course - Help

Tomek
Level 11
Gdansk
Question about the task Logging stack traces
Java Syntax, Level 9, Lesson 2
Under discussion
What's wrong with my code? (Same output)Hi, what's wrong with my solution? Output seems to be the same. Kind Regards
2/13/23
319views
1comment
0
Profj
Level 20
Lagos
Question about the task Restaurant
Java Core, Level 7, Lesson 10
Under discussion
Help a friend please.What can I do on this task? I've checked and checked and checked.
6/26/19
1778views
4comments
0
ugabuga
Level 39
Question about the task Restaurant (part 21)
Java Multithreading, Level 9, Lesson 15
New
Second Requirement will not pass, even though my code is identical with solution...!! package com.codegym.task.task27.task2712; import com.codegym.task.task27.task2712.kitchen.Cook; import com.codegym.task.task27.task2712.kitchen.Order; import com.codegym.task.task27.task2712.statistics.StatisticsManager; import java.util.Observable; import java.util.Observer; import java.util.Set
2/12/23
513views
0comments
0
Richard Han
Level 4
Lipa
Question about the task Closest to 10
Java Syntax, Level 4, Lesson 4
Under discussion
Help! I can't understand this. This lesson did not explain how to do this exactly, and it's expecting us to answer this ;-;I'm not giving hate to codegym, I just wish they teached us how to do this before they gave us the tasks. ok ok now. I don't understand this. Please help. And ok, I'll say it, I copied the solution below from another help section. I understand the lesson, but that doesn't mean I understand the tasks
9/10/18
2221views
6comments
4
Andrei
Level 41
Question about the task Overriding serialization
Java Core, Level 10, Lesson 7
Resolved
What is the point of creating a new thread in the readObject method and starting that thread if that is done already when we create a new object? package com.codegym.task.task20.task2015; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.Serializable; /* Overriding serialization */ public class Solution implements Serializable, Runnable { private transient Thread runner;
2/26/21
1023views
4comments
0
Henrique
Level 41
São Paulo
Question about the task Serializable Solution
Java Core, Level 10, Lesson 7
Under discussion
One question about MAIN METHOD and one about TRANSIENT MODIFIER 1. I was able to pass this task, but I have a question about the "Write the verification code yourself in the main method:". I followed the steps and came up with the code bellow: Steps: 1) create a file, open an input stream and an output stream; 2) create an instance of the Solution class (savedO
7/8/20
1096views
7comments
0
Radosław Dziura
Level 16
Question about the task Turnip
Java Core, Level 3, Lesson 11
Under discussion
I don't have a clue how to do it Can anybody help?
4/15/20
1284views
4comments
1
Ryan
Level 14
Ashburn
Question about the task Building and School
Java Core, Level 4, Lesson 4
Under discussion
Worked but still questions I passed but I'm still a bit confused on why. The default code said to "write code" in the Building class but I never did because everything already seemed attached to the Building class (after writing code for School class). I've also never seen class method written outside the class code block. My
3/24/19
1692views
4comments
2
Mike S
Level 28
Saint Louis
Question about the task Threads and bytes
Java Core, Level 8, Lesson 11
Resolved
Failing second condition...I was surprised to have gotten this right on the first try except for the second condition. But I don't understand how it can be right every other way except for the second one. Any insights?
2/10/23
377views
3comments
0
hendra gunawan
Level 9
tebing tinggi
Question about the task Binary converter
Java Syntax, Level 9, Lesson 2
Resolved
please help what's wrong with my code? the first and second task requirement make me so confuse
2/6/23
375views
2comments
0
Masopha Makhetha
Level 1
Mohale's hoek
New
what to learn another course rather than the one i selected? ?
2/10/23
329views
0comments
0
ADAM GROCHOWSKI
Level 4
Milwaukee
Question about the task What's the cat's name?
Java Syntax, Level 4, Lesson 2
Under discussion
Why does name = this.name not work?Is someone able to explain why name = this.name not work?
3/29/20
1086views
3comments
0
Micheline Peric
Level 0
Question about the task We're on overload!
Java Core, Level 2, Lesson 4
Under discussion
2023 Great love spell caster to help restore my broken marriage now WhatsApp +2348124644470 URGENT AND EFFECTIVE LOVE SPELL CASTER TO HELP YOU GET BACK YOUR EX LOVER VERY FAST WHATSAPP +2348124644470 My Name is Micheline Peric from Ireland, I want to say thank you to PRIEST WISDOM for the good thing he has done for me,Though am not sure if this is the best forum to show my joy and happin
2/9/23
329views
0comments
0
Dinesh
Level 7
Delhi
Question about the task This age doesn't work for me…
Java Syntax, Level 4, Lesson 1
Under discussion
can any one explain how this.age= age+20 is giving 20 as output Completed the task just by hit and trial after reading all the comments of respected members Is there any difference between instance and local variable ? if I am correct this keyword is used to access the instance variable that is the local variable
5/24/20
972views
5comments
0
Thomas Yates
Level 1
Question about the task High accuracy
Java Syntax, Level 4, Lesson 4
Resolved
Not sure where to look next...?When I enter 1.000001 and 1.000002 I get "The numbers are not equal". When I enter 16574837432.0000002 and 16574837432.00000003 I get "The numbers are equal". I am not understanding how to cause the program to get the difference only up to the millionths place value and then determine the output sta
2/9/23
538views
2comments
0
Justin Smith
Level 41
Greenfield, USA
Question about the task Caching proxy
Java Collections, Level 7, Lesson 6
Resolved
Stuck with one condition remaining...There are two things I was very uncertain about with this task... First, the removeEldestEntry method in the LRUCache class doesn't actually appear to do what it is supposed to do, but we were not instructed to edit that class, so I didn't touch it. And the constructor for this class takes a capacit
2/9/23
309views
1comment
0
HaeWon Chung
Level 17
Boston
Question about the task The simplest code: part 2
Java Core, Level 5, Lesson 6
Under discussion
I don't know why I need the constructor without parameter Below code fails to pass the verification. Hint says to have the NormalCat constructor without parameter. So I deleted and pass. But I don't know why I need that constructor because the code runs well without it. public class Solution { public static void main(String[] args) { SiamCat c
5/28/20
898views
3comments
0
Anonymous #11100313
Level 24
Question about the task Binary to hexadecimal converter
Java Syntax, Level 9, Lesson 2
Under discussion
How can I solve this it says outOfBoundsException?I saw the correct solution but it seems that the code is too long so I'm trying to create one with using loops.
2/9/23
593views
1comment
0
matemate123
Level 50
Kraków
Question about the task Replacing numbers
Java Core, Level 9, Lesson 11
Under discussion
Don't try this at home...Maybe someone find inspiration in my code. After almost seven hours non-stop working (not counting WC visits, and coffe/pizza break) I did this Frankenstain. I start this task yesterday and I tried did it with Pattern and Matcher help. It's not work, and I ending on help section. I find beauty code
2/7/23
614views
13comments
0
Mithun
Level 1
Черкаси
Question about the task My young friend
Java Syntax, Level 0, Lesson 4
Resolved
help and point out a mistake I do not know how can I display the subtraction of this action, but I can write this int x = (3126); int a = (8); int = ("x-a"); if there is an error please help
7/25/18
2478views
10comments
1
Josip Batinić
Level 17
Question about the task 5 shades of char
Java Syntax, Level 8, Lesson 1
Under discussion
Not passing validation Program compiles and prints: Hello char as it should public class Solution { public static char char1 = 101; public static char char2 = 'H'; public static char char3 = 114; public static char char4 = '\u006F'; public static char char5 = 108; public static char char6 = 'h';
2/8/23
302views
1comment
0
Ashok
Level 3
United States of America
Question about the task Emptiness and spaces
Java Syntax, Level 2, Lesson 3
Under discussion
can i get solution for the above program public class Solution { public static void main(String[] args) { String emptiness = "emptiness"; String fullness = emptiness + emptiness + emptiness; //write your code here System.out.println(fullness); } } can i get solution for the above program
1/31/23
460views
2comments
0
matemate123
Level 50
Kraków
Question about the task Introducing tags
Java Core, Level 9, Lesson 11
Resolved
It's almost good, but something wrong Ok it's time for ask for help. After few hours of work I have this. I think something wrong with my trying create algorithm to solve situation when this tag is a little mess. (line 68-74). Maybe it possible way when I could repair this program. Am I long for good solution? I feel I'm close to do thi
2/1/23
608views
17comments
0
Oliver Heintz
Level 18
Mustang
Question about the task Splitting a file
Java Core, Level 8, Lesson 5
Resolved
Struggling with "off" and "len"The lessons are teaching me less and less. I've failed this task like half a dozen times already. So I check if my count is even or odd. If odd (count % 2 != 0), I write from 0 the first count / 2 characters. So, if I had 7 bytes, 7 / 2 should give me 3. 0-3. Then I write starting at count /
3/8/21
1039views
5comments
0
Justin Smith
Level 41
Greenfield, USA
Question about the task Circular iterator
Java Collections, Level 7, Lesson 4
Under discussion
Almost there, stuck on the 3rd condition I think I have used try/catch for every place where an index out of bounds exception might occur. Not sure what else to do.
2/3/23
323views
2comments
0
Mike S
Level 28
Saint Louis
Question about the task Sequential file output
Java Core, Level 6, Lesson 13
Under discussion
Last Condition: "The output must contain the contents of the first file."There's several layers to this question: 1) This sounds ignorant to ask at this point, but how in the heck does one use the console interface in IntelliJ? That would seem useful here. (As opposed to CodeGym where it's just "there".) 2) Since I can't play with any file names on the console interfac
2/1/23
622views
7comments
0
Andrei
Level 41
Question about the task Logging stack traces
Java Syntax, Level 9, Lesson 2
Under discussion
Different Index for getStackTrace()[2] vs[1], same results. One is accepted, one is not. Why !?This one is accepted: public class Solution { public static void main(String[] args) { log("In main method"); } public static void log(String s) { //write your code here String fullClassName = Thread.currentThread().getStackTrace()[2].getClassName(); St
11/10/20
1249views
5comments
1
Bo By
Level 8
Bratislava
Question about the task Task about algorithms
Java Syntax, Level 5, Lesson 12
Resolved
What is the wrong with this solution - is showing me the largerst number but not accepted? What is the wrong with this solution - is showing me the largerst number but not accepted? // The program should display the maximum of the N entered numbers. - this is not accepted, this requitment // also some hint/error I get : Be sure that the program works correctly for negative numbers.
1/30/23
432views
2comments
0
Justin Smith
Level 41
Greenfield, USA
Question about the task Find the bugs
Java Core, Level 10, Lesson 10
Resolved
My code is now identical to the solution but still generates notserializableexception The only differences I can find: 1. The names of the arguments in the readObject and writeObject methods in the B class. Instead of "in" and "out" I use "aInputStream" and "aOutputStream". Shouldn't matter, right? 2. The order in which classes are declared. I have A and B declared before Main, the s
11/21/21
680views
1comment
2
Manoj
Level 3
Gurgaon
Question about the task Share a Coke
Java Syntax, Level 3, Lesson 3
Under discussion
The program should display a number on the screen.Getting "The program should display a number on the screen." where as number is getting displayed in console after writing SOP on code. Then why error ?
1/29/23
372views
1comment
0

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