Corso di Java online CodeGym

Pina
Livello 4
PALERMO
Discussione in corso
I don't know how to do the exercises of CodeGym Hi everyone. I arrived at lesson 8 of level 3. But I can't do some exercises. I asked for the solution ... and these are things I've never seen on codeGym. How come? how can i study like this? I'm confused
12.02.2023
47viste
3commenti
0
Pina
Livello 4
PALERMO
Discussione in corso
why? level 2 lesson 2 com/codegym/task/task02/task0202/Solution.java:16: error: illegal start of expression public static class person { ^ why it's wrong the public class person?
27.01.2023
57viste
4commenti
0
Belze
Livello 7
Domanda sul compito Task about algorithms
Sintassi Java, Livello 5, Lezione 12
Risolta
boooh!!I don't understand... it works fine but it doesn't pass!!!
17.01.2023
45viste
2commenti
0
furius72
Livello 9
Milan
Domanda sul compito More Sam-I-Am
Sintassi Java, Livello 7, Lezione 9
Discussione in corso
why why ..... it works....
13.11.2022
52viste
1commento
0
EvelynSt
Livello 10
Domanda sul compito Static cats
Sintassi Java, Livello 6, Lezione 11
Risolta
first requirement not met good mornig, i don't undestand what i should do on the firs requirement, can someone help? thanks
19.10.2022
99viste
2commenti
0
EvelynSt
Livello 10
Domanda sul compito Even and odd digits
Sintassi Java, Livello 6, Lezione 5
Risolta
line math operation not clear i did all the code all by my own exept for the condition of the while in my head was input %10 ==0 , and he line 29, that i find out here in the community but really i can't get what is it. if someone could explain to me why the while loop is (n>0) and line 29 will be great
16.10.2022
80viste
5commenti
0
EvelynSt
Livello 10
Domanda sul compito Task about algorithms
Sintassi Java, Livello 5, Lezione 12
Risolta
Using scanner class I take the chance to ask someone to explain me buffer reader vs Scanner. I can use clearly Scanner but in this case is not working. Have i have to use buffer reader? May i have to add a try catch block? (I didn't study jet i am really new in java) i will figure out how to do it. Thanks who has the p
14.10.2022
96viste
9commenti
0
EvelynSt
Livello 10
Domanda sul compito Calling a constructor from a constructor
Sintassi Java, Livello 5, Lezione 9
Risolta
I can't understand the task Good day. I understand calling a constructors with an other one mean when i am invoking a method with an other. I don't understand the purpose of it. And i have read i use this (). But i want understand what i am doing. Like this( x,y,10) invoking constructor with 3 parameter?
15.10.2022
98viste
4commenti
0
EvelynSt
Livello 10
Domanda sul compito Sorting three numbers
Sintassi Java, Livello 4, Lezione 6
Risolta
How print array In this exercise requirement don't met even if the print is right i guess there is something wrong in the array printing. Can someone explain to me? Thanks so much
07.10.2022
245viste
12commenti
0
EvelynSt
Livello 10
Domanda sul compito Getters and setters for the Person class
Sintassi Java, Livello 5, Lezione 5
Risolta
Missing getter The program has three getter but the verify wont read it any clue?
12.10.2022
79viste
2commenti
0
EvelynSt
Livello 10
Domanda sul compito Feline carnage
Sintassi Java, Livello 5, Lezione 5
Risolta
Identifier missing what does it mean Good day,what does it mean identifier missing? Usually is when declaring a variable and missing the type. Here i don't understand in the invoking of method
11.10.2022
47viste
2commenti
0
EvelynSt
Livello 10
Domanda sul compito Sorting three numbers
Sintassi Java, Livello 4, Lezione 6
Risolta
Using math max, missing 3 point I have tried with array, but it seems i always miss 3 point, (comment you see all the try)so i tried wirh Math. Max and still not working on 3 point. I don't understand , please tell me what is wrong that I miss 3 point. Really thank you.
09.10.2022
55viste
0commenti
0
EvelynSt
Livello 10
Domanda sul compito Crossing the road blindly
Sintassi Java, Livello 4, Lezione 4
Risolta
i don't undestand the task, please someone explain me the logic at firs read i though about a loop, but i couldn't figure out how to do it, so i do it with paper so i think as it follow double a = (t/5.00); divide insert time for 5 double b = 0; b= t-(a*5); insert ime - (correct numer of ciclo) /* if (b>=0 && b,3) System.out.println("y
04.10.2022
167viste
7commenti
2
Amo programmare
Livello 29
Domanda sul compito Somehow average
Sintassi Java, Livello 4, Lezione 16
Discussione in corso
Why is my == not working in the solution Hey, I don't understand why else if ((n1 == n2) || (n2 == n3)) { midNum = n2; } else if (n1 == n3) { midNum = n3; } is not returing the same number. It is always returning 0. It doesn't work with 4 3 3 or 3 4 3 but it strangly will work
23.08.2022
71viste
3commenti
0
Amo programmare
Livello 29
Domanda sul compito Crossing the road blindly
Sintassi Java, Livello 4, Lezione 4
Discussione in corso
I've tested tons of numbers and I don't understand why it fails the task test Hi, I'm hoping that somone could help me understand why my code is not passing the test. I know that it's overly complicated and that there are more elegant solutions out there, but this was the first solution that I came up with on my own. In my mind it should work but I don't know why it doesn't
04.08.2022
127viste
2commenti
0
Alexander Thomson
Livello 8
Lucca
Domanda sul compito Checking the order
Sintassi Java, Livello 7, Lezione 9
Risolta
Last condition I don't understand why I don't sodisfact the request.. I have check the solution and the only difference is I'm using for each loop and in the solution use a for loop but the code will work aniway
27.04.2022
110viste
1commento
0
Mrrobot993
Livello 8
Domanda sul compito Task about algorithms
Sintassi Java, Livello 5, Lezione 12
Discussione in corso
The program should display the maximum of the N entered numbers. Why if I try to test it works and for the website not?I have done numerous tests and all works. For the 5th task the system give me error. Can u help me please to understand?
29.10.2021
141viste
2commenti
0
Anonymous #10841110
Livello 4
Discussione in corso
hi, i'm italian, can someone help me? .. when i put the italian language the lessons remain in english, please help please tell me how to fix it,or i cant learn programming
03.10.2021
209viste
2commenti
0
Mrrobot993
Livello 8
Domanda sul compito Sorting three numbers
Sintassi Java, Livello 4, Lezione 6
Discussione in corso
Why not working?I check step to step the solution also with paper but the system return error. Why?
05.10.2021
131viste
2commenti
0
Хундыз Болыс
Livello 0
Domanda sul compito Bug e funzionalità
Sintassi Java, Livello 0, Lezione 8
Discussione in corso
илспбвдб Жадында мен didmdufmgntismdhty eijhapsmcthkek ....? dufyugntsy utmtsu
02.04.2020
628viste
0commenti
0
Emiliano
Livello 1
Saint-Egreve
Domanda sul compito CodeGym: impara una volta, usa ovunque
Sintassi Java, Livello 1, Lezione 4
Discussione in corso
non capisco quale sia l'errore ho provato a compilare il testo in diversi modi. sia come stringa unica che con diverse stringhe ma mi da sempre errore
23.04.2020
525viste
2commenti
0