Page 259 | CodeGym online Java course - Help

Jay
Level 17
Washington
Question about the task Make a family
Java Syntax, Level 8, Lesson 11
Under discussion
Help me understand I'm confused about the purpose of the array list being used in the class. Previously, we have initialized objects without using an array list as a field. So I'm wondering what's the benefit of doing it this way. Furthermore, I've seen that some people have created 3 array lists to account for each c
7/27/19
1248views
2comments
0
Denis
Level 22
Kharkiv
Question about the task Like cats and dogs
Java Core, Level 1, Lesson 8
Under discussion
How i can do this exercise?Help pls
6/22/19
1394views
3comments
0
Davedabull
Level 22
New York City
Question about the task Longest string
Java Syntax, Level 7, Lesson 6
Archived
But I am already showing the longest string?Can someone help me find out what I did wrong here?
11/18/19
1428views
9comments
0
Alexander Shtunder
Level 41
San Francisco
Question about the task Prices 2
Java Core, Level 8, Lesson 11
Resolved
Hm, do not pass by, but help...My code works flawlessly. I checked it on my computer 100500+ times. But the test does not want to pass ... strange. Who will say why?
8/26/19
1158views
5comments
0
Anthony Chalk
Level 30
London
Question about the task Exception when working with Map collections
Java Syntax, Level 9, Lesson 6
Resolved
Please help The program works with the output: "NullPointerException null", but the third requirement is still not validating. Is there a specific type of NullPointerException for Maps?
11/18/19
1467views
7comments
0
Deborah Wenrich
Level 7
Pembroke Pines
Question about the task Financial expectations
Java Syntax, Level 3, Lesson 12
Under discussion
Can someone check my code?I'm not sure what the problem is. The compiler doesn't seem to like the BufferedReader code.
11/12/19
1277views
2comments
0
Carlos Cortázar
Level 17
Madrid
Under discussion
please, why this code doesn't compile?package com.company; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import java.util.ArrayList; public class Main { public static void main(String[] args) throws IOException { MyClass myObject = new MyClass(); OutputStream outStream
11/18/19
968views
2comments
0
Lukasz
Level 14
Wrocław
Question about the task Ten cats
Java Syntax, Level 9, Lesson 11
Under discussion
Where is problem?I pass the data from Map to Set
1/25/19
1675views
2comments
1
towelie8
Level 1
Darmstadt
Question about the task One large array and two small ones
Java Syntax, Level 7, Lesson 4
Under discussion
Last condition?!meow.
11/18/19
940views
1comment
0
chinchillo
Level 6
Question about the task Number of days in the year
Java Syntax, Level 4, Lesson 4
Under discussion
Guess it's right but still not sure.Any idea whats the problem here?
11/17/19
892views
2comments
0
nikhil singla
Level 9
Chandigarh
Question about the task Static cats
Java Syntax, Level 6, Lesson 11
Archived
I am not able to figure out what to print here in printCatS()..? Please help me..public static void printCats() { System.out.println(cats); } // What's wrong with this? Please watch my solution..
7/21/19
1408views
2comments
2
Davedabull
Level 22
New York City
Question about the task StringHelper class
Java Syntax, Level 6, Lesson 8
Under discussion
So I guess we cannot use the str.repeat(times) method public class practice3_string_multiplication { public static String multiply(String s) { String result = ""; //write your code here result = s.repeat(5); return result; } public static String multiply(String s, int count) { String result = "";
11/17/19
1415views
4comments
0
Nico
Level 17
Tyrol
Question about the task Closest to 10
Java Syntax, Level 4, Lesson 4
Under discussion
I think, the output is correct, but i failed the last task, and i dont know why. Thanks for your help in advance! :)Failed: "The displayClosestToTen method should display a number on the screen in accordance with the task conditions."
11/17/19
860views
2comments
0
Neha Anjum
Level 6
Hyderabad
Question about the task Sorting three numbers
Java Syntax, Level 4, Lesson 6
Under discussion
.....?????import java.util.Scanner; import java.io.*; public class Solution { public static void main(String[] args) throws Exception { //write your code here Scanner sc = new Scanner(System.in); int a = sc.nextInt(); int b = sc.nextInt(); int c = sc.ne
9/17/18
1775views
4comments
0
Tian Pro
Level 23
Cape Town
Question about the task Adding
Java Syntax, Level 4, Lesson 16
Under discussion
Why doesnt it work if the output shows it works? Im so confused :'D
11/7/19
987views
2comments
0
Maria
Level 7
Berlin
Question about the task Minimum of four numbers
Java Syntax, Level 2, Lesson 8
Resolved
Help please??What is wrong in my solution?? Thank you :D
11/17/19
1160views
2comments
0
Manish Sinha
Level 1
london
Question about the task HashMap of 10 pairs
Java Syntax, Level 8, Lesson 3
Resolved
my code throws error dont know what is the issue. Intellij shows the correct output.package com.codegym.task.task08.task0802; /* HashMap of 10 pairs */ import java.util.HashMap; import java.util.Map; public class Solution { public static void main(String[] args) throws Exception { HashMap hasmap = new HashMap<>(); hasmap.put("watermelon","melon");
11/17/19
1204views
1comment
0
Ankita Patra
Level 5
Bhubaneshwar
Question about the task Initializing cats
Java Syntax, Level 5, Lesson 7
Under discussion
Everything looks fine.Still don't know what's wrong here!!
7/5/19
1397views
3comments
0
Stanislav Mayer
Level 15
Question about the task Family relations
Java Syntax, Level 2, Lesson 2
Resolved
Separate file for each class In one of the previous tasks, there was the following info provided: For each class, a separate file is created. The name of the file matches the name of the class. However, in this particular exercise, I can see three different classes: Solution, Man and Woman within one file. Can you please ex
8/5/19
1346views
2comments
0
jawad
Level 10
Lahore
Question about the task Family relations
Java Syntax, Level 2, Lesson 2
Under discussion
what wrong in my code whats worng in my code
8/2/19
1203views
2comments
0
Pooja Gujjer
Level 2
Mumbai
Question about the task Family relations
Java Syntax, Level 2, Lesson 2
Under discussion
What is wrong with my code I cant understand?? Plzz help
6/15/19
1507views
7comments
0
Ilia Kalugin
Level 25
Novara
Question about the task You can't have too much of a good thing
Java Syntax, Level 4, Lesson 10
Under discussion
I don't understand. Where here an error?what's wrong with it?
11/16/19
1078views
2comments
0
Wei Cui
Level 39
Newark
Question about the task What's in the folder?
Java Collections, Level 1, Lesson 4
Resolved
help to solve problem I test the code and meet the goal. display the directory number, file number and size. where wrong?
11/13/19
1380views
3comments
0
Kikyo
Level 17
Question about the task Correct inheritance chain: part 5
Java Core, Level 1, Lesson 11
Resolved
The title may not appear completely on the page It doesn't specify who inherits who. but in the Android app，it has hits.
11/16/19
1479views
1comment
0
Marcin
Level 9
Birmingham
Under discussion
Exception Quest.QUEST_JAVA_SYNTAX_PL Hi, I have a problem with using intelij plugin. Here is the exception: ava.lang.IllegalArgumentException: No enum constant com.homework.plugin.dialog.TheNewTaskChooserDialog.Quest.QUEST_JAVA_SYNTAX_PL at java.base/java.lang.Enum.valueOf(Enum.java:240) Could you please, help me with this. Regards,
11/11/19
1274views
4comments
0
Patson
Level 4
Kampala
Question about the task Minimum of four numbers
Java Syntax, Level 2, Lesson 8
Resolved
PLEASE.. how do I use the second min(int a, int b) in the first min(int a, int b, int c, int d) package com.codegym.task.task02.task0217; /* Minimum of four numbers */ public class Solution { public static int min(int a, int b, int c, int d) { int m; if (a <= b && a <= c && a <= d) m = a; else if (b <= a &
11/3/18
3990views
7comments
0
sabrine RA
Level 12
Paris
Under discussion
Connecting IntelliJ IDEA ERROR Plugins
11/14/19
1211views
4comments
0
Krunoslav Krainović
Level 16
Question about the task Let's talk music
Java Core, Level 6, Lesson 3
Resolved
Why does this not work with System.nanoTime(); long startTime = System.nanoTime(); startPlaying(); sleepNSeconds(1); stopPlaying(); long endTime = System.nanoTime(); long totalTime = endTime - startTime; System.out.println(totalTime / 1000000); it does not want
11/16/19
1988views
5comments
0
唐浩文
Level 2
San Jose
Under discussion
please use Java programming language to answer these questions
11/16/19
1076views
1comment
0
Miha Čelešnik
Level 9
Ilirska Bistrica
Question about the task Longest string
Java Syntax, Level 7, Lesson 6
Archived
Why verification fails?Hello I would like to report a bug in task0708. It seems that verification is broken. After program reads from input, it takes first string from list as longest and stores it in list of max strings, enters loop at second position. If next string is longer, max list resets and next string gets stor
11/16/19
1213views
1comment
0

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