Page 264 | CodeGym online Java course - Help

Tian Pro
Level 23
Cape Town
Question about the task Rule of the triangle
Java Syntax, Level 4, Lesson 4
Resolved
Why wont the last requirement be fulfilled? Is my math correct, or too complicated or something?
04.11.2019
1158views
4comments
0
Emre BELEN
Level 1
Istanbul
Question about the task Minesweeper (Part 6/16)
Games, Level 0, Lesson 0
Under discussion
I couldn't find where the logic fails Hey, I'm trying to implement mine sweeper game's 6th part but couldn't achieve the goal that indicated at 3rd condition. Could one of you guys please help me to understand the problem ? Thanks
15.08.2019
990views
1comment
0
Cyrus
Level 3
Under discussion
insert an element into an array How can I add a symbol between the elements in array for example add(a, b, c) to add(*a*, *b*, *c*): public class exercise { public static String[] add(String[] strings) { String array[] = {""}; String output = "*" + Arrays.toString(array); return array; } } publi
30.10.2019
941views
1comment
0
Jay
Level 11
Question about the task Kind Emma and the summer holidays
Java Syntax, Level 8, Lesson 8
Resolved
What's going on? As far as I can tell the logic is all there..
04.11.2019
1066views
4comments
0
Shujaat Mirza
Level 3
Houston
Question about the task Parenthetical brainteaser
Java Syntax, Level 3, Lesson 4
Under discussion
i cant solve it please help package com.codegym.task.task03.task0306; /* Parenthetical brainteaser//2 * (3 + 4 * (5 + 6 * 7)) */ public class Solution { public static void main(String[] args) { System.out.println((2 * 3) + 2 * 5 + (9 * 40) + 6);
03.11.2019
1282views
2comments
0
S V Aditya
Level 4
Delhi
Question about the task Snake (Part 7/20)
Games, Level 0, Lesson 1
Under discussion
Why can't i Iterate?The screenshot as it is works. If I instead try to iterate over the snakeParts list, it all goes to hell. (The commented code is used instead of calling each element over and over for that.) What am I doing wrong? Error Trace It's all Greek down here, but I think it's a NoSuchElement Exception. But
04.11.2019
873views
1comment
0
Jerrod Molnar
Level 18
Stoystown
Question about the task Factorial
Java Core, Level 5, Lesson 12
Under discussion
Confused I get all the right output I am completely stumped
25.01.2019
1639views
5comments
1
Anthony Chalk
Level 30
London
Question about the task We don't need repeats
Java Syntax, Level 8, Lesson 8
Under discussion
I don't know what to do Can anyone help me with this exercise and also point me to some resources regarding the Iterator class, I really don't understand it that well. Thank you
03.11.2019
792views
1comment
0
Jarosław Wyka
Level 3
Tarnow
Under discussion
I can't choose task Hello. When i want choose a task i have an error: Uknown error. And i also can't find my avaible tasks in Select Tab bar. please help.
01.11.2019
876views
1comment
0
curiousmittu
Level 15
Downers Grove
Question about the task Longest string
Java Syntax, Level 7, Lesson 6
Archived
Not sure what is missing from my solution. I have tested several scnearios at it looks to work fine. Any help is appreciated ? package com.codegym.task.task07.task0708; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; /* Longest string */ public class Solution { private static List strings = new ArrayList(); public static void main(Strin
02.11.2019
927views
1comment
0
hidden #10426395
Level 2
Under discussion
My task is to make the Button component change the text on my TextView with onClick method. How shoud I do this on below given code? import android.os.Bundle; import android.view.View; import android.widget.TextView; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_mai
03.11.2019
776views
1comment
0
Han
Level 24
Question about the task Creating a proxy object
Java Collections, Level 2, Lesson 8
Resolved
method newProxyInstance in class java.lang.reflect.Proxy cannot be applied to given types This line: return (SomeInterfaceWithMethods)Proxy.newProxyInstance(new CustomInvocationHandler(original)); gives the following error: Error in com/codegym/task/task32/task3205/Solution.java on line 28 method newProxyInstance in class java.lang.reflect.Proxy cannot be applied to given types; re
24.10.2019
1393views
2comments
0
Leontin Vasii
Level 6
Iasi
Question about the task Currency exchange
Java Syntax, Level 3, Lesson 3
Under discussion
A little help pls Hy everyone...Can someone help me with this code ? What is wrong ?
04.11.2019
918views
2comments
0
Cristian
Level 16
Bucharest
Question about the task Shortest or longest
Java Syntax, Level 7, Lesson 6
Under discussion
I have a problem with the last two requirements. Help me, please! Thank you!package com.codegym.task.task07.task0712; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Scanner; /* Shortest or longest */ public class Solution { public static void main(String[] args) throws Except
03.11.2019
890views
3comments
0
Satya Vath
Level 31
Vijayawada
Question about the task Refactoring (part 9)
Java Multithreading, Level 5, Lesson 16
Resolved
Cant get It Help
17.06.2019
1255views
6comments
0
Piotr Wikarski
Level 19
Birmingham
Question about the task Building a file
Java Core, Level 8, Lesson 11
Resolved
Can't pass validation. My code works fine, buy is not passing validations.. Can anyone help me to see where the problem is?
03.11.2019
847views
1comment
0
theCalculator
Level 3
Warren
Question about the task Escaping characters
Java Syntax, Level 3, Lesson 6
Under discussion
I can't get this!what am I missing.
02.11.2019
897views
1comment
0
Denis
Level 22
Kharkiv
Question about the task Cats should not be abstract!
Java Core, Level 2, Lesson 6
Under discussion
HEEEEEEEELP Give me the solution pls for my full understanding)
22.06.2019
1428views
2comments
0
jorge ives murillo paredes
Level 40
New York City
Question about the task Reading and writing to a file: CodeGym
Java Core, Level 10, Lesson 2
Under discussion
Can somebody help me whit the exeptions package com.codegym.task.task20.task2002; import java.io.*; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.List; /* Reading and writing to a file: CodeGym */ public class Solution { public static void main(String[]
02.11.2019
1374views
1comment
0
Facundo Villarroel
Level 20
Berlin
Question about the task Five winners
Java Syntax, Level 8, Lesson 11
Resolved
Two methods validation not passing...I'm starting to get a little tired of the stupid validations not passing. From where this thing is taking that the Solution class doesn't have two methods?
19.10.2019
1014views
2comments
0
Facundo Villarroel
Level 20
Berlin
Question about the task Let's make the code do something useful!
Java Syntax, Level 9, Lesson 11
Resolved
Like for everyone, failing on third requirement Testing my code, it works. Unless I'm not undestanding the task as they meant it, then it should pass. 1. Catch the exception if file doesn't exist 2. Read the source file again 3. Read destination file Its dumb to catch the exception the first time you read it and not the second one, but that is wh
23.10.2019
1251views
3comments
0
Anthony Chalk
Level 30
London
Question about the task Kind Emma and the summer holidays
Java Syntax, Level 8, Lesson 8
Resolved
Please help So unsure what I'm supposed to do
03.11.2019
1581views
1comment
0
Cristian
Level 16
Bucharest
Question about the task Longest string
Java Syntax, Level 7, Lesson 6
Archived
What is wrong with my code? The last two requirements are not satisfied. Thanks a lot.package com.codegym.task.task07.task0708; //import java.io.BufferedReader; //import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; import java.util.Scanner; /* Longest string */ public class Solution { private static List strings = new ArrayList();; privat
01.11.2019
1196views
5comments
0
resperaptor
Level 2
Yekaterinburg
Question about the task Family relations
Java Syntax, Level 2, Lesson 2
Resolved
Whats wrong?Man Man = new Man(); Woman Woman = new Woman();
17.04.2019
2289views
5comments
3
Cheikh
Level 7
Dakar
Question about the task Cat and statics
Java Syntax, Level 6, Lesson 11
Under discussion
Don't get where the problem is !Despite all my attempts, it looks like there's something I don't see. Can someone guide me please?
02.11.2019
1261views
2comments
0
Clarendon lee
Level 8
Baltimore
Question about the task The whole duck isn't enough
Java Syntax, Level 5, Lesson 12
Resolved
Task requirements are not met What's wrong? Verify say "Task requirements are not met" Thanks a lot!
31.10.2019
1323views
2comments
0
hidden #10549694
Level 3
Under discussion
How can I contiunue learning I'm actually at level 3, lesson 1, with IntelliJ installed and I tried to solve the task in that lesson - but when I'm trying to verify my code (in a browser), the buttons just goes grey and nothing happens. Moreover, lesson 2 of this level, where I installed the CodeGym plug-in - there are only tas
01.11.2019
1357views
4comments
0
Станислав Владимирович
Level 4
Donduseni
Question about the task More conversions
Java Syntax, Level 3, Lesson 8
Under discussion
Help guys Hello guys, My program works properly, whenever i put any number i want in my program, it gives me correct answer, but last condition it's not correct, can you help me with that?
17.05.2019
1465views
6comments
0
gery
Level 9
Islamabad
Question about the task More conversions
Java Syntax, Level 3, Lesson 8
Under discussion
identify correction import java.io.InputStreamReader; import java.io.BufferedReader; public class Solution { public static void main(String[] args) throws Exception { BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); String s = bf.readLine(); int ss = Integ
13.09.2018
1418views
7comments
0
Mack
Level 20
Osiedle-Nowiny
Question about the task CRUD
Java Core, Level 7, Lesson 10
Resolved
Where is mistake?Help, please
07.12.2018
1926views
6comments
2

1
...
262
263
264
265
266
...
371