Page 268 | CodeGym online Java course - Help

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
8/29/18
2062views
2comments
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.
8/12/18
3279views
13comments
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
5/10/19
1382views
7comments
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
10/30/19
1839views
5comments
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
10/25/19
1484views
1comment
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 :)
10/28/19
1097views
1comment
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. :(
10/29/19
1146views
2comments
0
Marcin Olech
Level 41
Kraków
Question about the task Chat (part 21)
Java Multithreading, Level 6, Lesson 15
Under discussion
Im confused, 3 requirements. (ClientGuiController)I honestly don't know why it doesnt work. 'this' passed to ClientGuiView constructor is wrong? What about getModel method? And also getServerAddress, getServerPort and getUserName seems right to me.
10/28/19
1053views
1comment
0
Glenn Akens
Level 3
Rochester
Question about the task Our first converter!
Java Syntax, Level 2, Lesson 2
Under discussion
I'm getting the correct output, however still getting an error message package com.codegym.task.task01.task0130; /* Our first converter! */ public class Solution { public static void main(String[] args) { System.out.println(convertCelsiusToFahrenheit(41)); } public static double convertCelsiusToFahrenheit(int celsius) { //write your cod
10/28/19
1886views
3comments
0
nagabenang
Level 6
Bekasi
Question about the task Triangle of eights
Java Syntax, Level 4, Lesson 13
Resolved
Reverse Triangle I made this just for fun. Hope it could help you to understand loop. Probably you can also help to compact it more. :p public class Solution { public static void main(String[] args) throws Exception { int a; int b; int c; for (b = 5; b > 0; b--){ for (a = 0; a < b; a++){ System.out.pr
6/28/19
1538views
1comment
1
Sinan
Level 1
Dortmund
Under discussion
where can I see the Solution of the tasks Hi, i'm new. I would like to know if it is possible to see the solution of the tasks somewhere? Couse I've did a task wrong and dont know the solution and I would like to see the right way. The tipps dont help me
10/26/19
1102views
1comment
0
Ian Frierson
Level 15
Overland Park
Question about the task Cats should not be abstract!
Java Core, Level 2, Lesson 6
Resolved
I dont understand what im missing i dont understand what im missing package com.codegym.task.task12.task1215; /*
10/29/19
1291views
2comments
0
Niket
Level 8
Kolkata
Question about the task This age doesn't work for me…
Java Syntax, Level 4, Lesson 1
Resolved
I have 2 Solutions, which one is correct?First one is: public void adjustAge(int Age) { age = Age + 20; System.out.println("The age in adjustAge() is " + age);//In this case this prints 40 as age here also. } Second one is: public void adjustAge(int age) { this.age = this.age + 20;
1/7/19
2608views
7comments
0
iqbalhussain
Level 2
Peshawar
Question about the task Reading and writing to a file: Human
Java Core, Level 10, Lesson 2
Archived
Need Help Any one Solved this task...
1/24/19
1389views
5comments
0
Robert
Level 8
Lombard
Question about the task Reading and writing to a file: CodeGym
Java Core, Level 10, Lesson 2
Under discussion
Been looking at this to long I give up. I can not figure out what I am doing wrong. Any ideas? Thank you.
9/24/19
1194views
3comments
0
Joshua Ingersoll
Level 5
Brighton
Question about the task Rule of the triangle
Java Syntax, Level 4, Lesson 4
Resolved
Help determining error in code Can someone help me determine what I have done wrong and why this will not execute properly? I have also tried having just an else clause rather than the else if( condition ) clause but that also did not fix the problem.
10/25/19
1243views
2comments
0
Joshua Ingersoll
Level 5
Brighton
Question about the task Crossing the road blindly
Java Syntax, Level 4, Lesson 4
Resolved
Code not completing requirments Hello, Can anyone help me determine why my code will not satisfy the requirements? I have copied the same code into Coolbeans and I have entered every number 1-60 and every number gives the correct output. What am I doing wrong? Thank you!
10/29/19
1037views
2comments
0
mail.musa.khan
Level 22
Bloomington
Question about the task Robot wars
Java Core, Level 3, Lesson 11
Under discussion
The validation fails and it asks me to implement canDefend interface, what am I missing?I can't figure this out. I have implemented canDefend interface, but the compiler doesn't seem to agree.
10/29/19
1347views
5comments
0
hidden #10536831
Level 10
Question about the task Kind Emma and the summer holidays
Java Syntax, Level 8, Lesson 8
Under discussion
Could you help?What is wrong?
10/29/19
948views
2comments
0
vladimir.plamadeala@endava.com
Level 10
Chisinau
Question about the task Set of cats
Java Syntax, Level 8, Lesson 11
Resolved
Why the last condition is failing?In IntelliJ it displays two results.
10/29/19
1988views
4comments
0
Andrew
Level 29
Seattle
Question about the task Correct the bug. Classes and interfaces
Java Core, Level 9, Lesson 11
Resolved
No idea...Hint please.
3/1/19
1831views
6comments
2
Павел Артеменко
Level 41
Krasnodar
Question about the task Contextual advertising
Java Core, Level 9, Lesson 11
Resolved
Am I missed something?All works as per description, but verifying failed on last 2 conditions.
4/28/19
1348views
2comments
1
Luyi
Level 31
Kosice
Question about the task Inheriting an inner class
Java Multithreading, Level 4, Lesson 4
Under discussion
what is the popper way?Hi what is the proper way of achieving the task: "The BigHall class must be a descendant of the Building.Hall class." I have done it this way: public class BigHall extends Building.Hall { public BigHall(Building b){ b.super(null); } But I am not sure to be honest
10/28/19
1435views
2comments
0
Jesús de Llera
Level 23
Badajoz
Question about the task Following a pattern
Java Core, Level 6, Lesson 13
Resolved
The program displayed too much data on the console (on the screen)???Last condition not verified. Don't know why. Neither do I know why the validator is complaining about too much data on screen....
6/14/19
1947views
2comments
1
Cristian
Level 16
Bucharest
Question about the task Static cats
Java Syntax, Level 6, Lesson 11
Archived
I have one compile error. Please, help me!package com.codegym.task.task06.task0614; import java.util.ArrayList; /* Static cats */ public class Cat { //write your code here public static ArrayList cats = new ArrayList<>(); public Cat() { } public static void main(String[] args) { for (int i = 0; i <
10/28/19
1216views
3comments
0
Season10
Level 14
Question about the task Positive and negative numbers
Java Syntax, Level 4, Lesson 7
Resolved
Note that 0 is not a positive or negative number.Can someone help me? I try but I don't know why
10/28/19
1646views
2comments
0
Robert Constantinescu
Level 1
Bucharest
Question about the task Five winners
Java Syntax, Level 8, Lesson 11
Under discussion
Am i missing something?The algorithm looks like it's sorting the array in descending order. But for some reason, even though the displayed numbers are the biggest five. It fails testing? Is the algorithm wrong? or maybe something else? Kindly let me have your answers. Thank you
10/27/19
1246views
3comments
0
Leontin Vasii
Level 6
Iasi
Question about the task Minimum of three numbers
Java Syntax, Level 2, Lesson 8
Under discussion
Hy....I am stuck here...!!!Help me pls with some hint's.....
10/28/19
1347views
1comment
0
Madhu
Level 9
Question about the task Shortest or longest
Java Syntax, Level 7, Lesson 6
Under discussion
Last two conditions are not getting....can anyone help me??.........
8/11/19
1193views
1comment
0
Зоран Јањић
Level 8
Teslic
Question about the task Even and odd digits
Java Syntax, Level 6, Lesson 5
Under discussion
Any help please?Cant figure out the rest .
10/25/19
1216views
1comment
0

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