Page 151 | CodeGym online Java course - Help

Seferi
Level 22
Question about the task Sorting even numbers from a file
Java Core, Level 3, Lesson 11
Resolved
I think I'm doing something fundementally wrong.. Output has nothing to do whats in the file...I appreciate if someone could explain what am I doing wrong..
8/19/20
509views
5comments
0
atzur
Level 7
Madrid
Question about the task Task about algorithms
Java Syntax, Level 5, Lesson 12
Resolved
Using the while loop, i don't understand what's wrong.WHat could go wrong?
8/20/20
632views
3comments
0
Clark Willms
Level 9
Omaha
Question about the task The end
Java Syntax, Level 7, Lesson 12
Under discussion
What am I missing I may have been staring at this too long, but why isn't my keyboard input being read?
8/20/20
499views
2comments
0
Chris
Level 19
Newark
Question about the task Closest to 10
Java Syntax, Level 4, Lesson 4
Resolved
I have no idea what I am doing wrong. I get the right answer in Intellij but it wont let me pass this lesson.
8/5/20
701views
4comments
0
Maxim Raitin
Level 20
Tomsk
Question about the task Sorting three numbers
Java Syntax, Level 4, Lesson 6
Resolved
I don't know. I am sure that everything is ok.The error is "The program should display the numbers in descending order." package com.codegym.task.task04.task0420; /* Sorting three numbers */ import java.io.*; import java.io.BufferedReader; public class Solution { public static void main(String[] args) throws Exception {
8/19/20
633views
4comments
0
ziv fisher
Level 9
Petah Tikva
Question about the task Labels and numbers
Java Syntax, Level 4, Lesson 7
Under discussion
What did I do wrong guys?//
8/20/20
447views
2comments
2
Angel Stefan Arjoca
Level 26
Bucharest
Question about the task Two in one
Java Core, Level 8, Lesson 11
Resolved
The output stream for the first file...The output stream for the first file is not closed!!! Why line 40 is not working?
8/19/20
815views
5comments
0
Mnemonic
Level 9
london
Question about the task Console-based piggy bank
Java Syntax, Level 5, Lesson 12
Resolved
Not able to spot what's wrong here :(-
8/20/20
623views
1comment
0
David
Level 26
Bucharest
Question about the task Phone number verification
Java Multithreading, Level 2, Lesson 13
Resolved
Handle the case where phoneNumber is null.I have put the condition for that case where phoneNumber is null, but still same error. I also have the right output for all the examples Can anyone help me, please??
8/19/20
632views
5comments
0
Yuvavimal
Level 12
coimbatore
Question about the task Changing functionality
Java Syntax, Level 7, Lesson 12
Resolved
what is the wrong?why not pass the requriement
8/20/20
576views
1comment
0
adhargupta01
Level 4
Noida
Question about the task Number of days in the year
Java Syntax, Level 4, Lesson 4
Under discussion
What's the error plz help
8/20/20
522views
1comment
0
Yuvavimal
Level 12
coimbatore
Question about the task Cat code won't compile
Java Syntax, Level 7, Lesson 12
Under discussion
I'll getting null pointer exception package com.codegym.task.task07.task0726; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; /* Cat code won't compile */ public class Solution { public final static ArrayList CATS = new ArrayList<>(); public s
8/20/20
1095views
4comments
0
adhargupta01
Level 4
Noida
Question about the task Number of days in the year
Java Syntax, Level 4, Lesson 4
Under discussion
what's the error plz help
8/20/20
422views
1comment
0
bamughamye patrick
Level 8
Paris
Question about the task Financial expectations
Java Syntax, Level 3, Lesson 12
Under discussion
I dont know why i cant fulfill the last condition. Here is my code.public class Solution { public static void Expectation (int n) { System.out.println("I will earn $" + n + " per hour"); } public static void main(String[] args) throws Exception { //write
8/13/20
801views
3comments
0
Baurzhan Konurbayev
Level 40
Question about the task Iterating through a file tree
Java Collections, Level 1, Lesson 2
Archived
Rename test fails Hi, For some reason rename doesn't work. I was using both FileUtils method and native File class method. Please, help me to figure the problem. Thank you!
8/18/20
482views
6comments
0
Dương Tiến Đạt
Level 41
Ha Noi City
Question about the task Refactoring (part 6)
Java Multithreading, Level 5, Lesson 16
Resolved
Can someone tell me what's wrong?The Validation's recommendation keep telling me that "The expel(Student) method should delete the passed student" while I've already implemented that.
8/19/20
711views
2comments
0
Henrique
Level 41
São Paulo
Question about the task Restaurant (part 8)
Java Multithreading, Level 9, Lesson 15
Resolved
in my mind i did exactly what the requirements asked for, still everything is wrong. HELP PLEASE tjo4ighr
8/19/20
559views
3comments
0
Stephen Haokip
Level 12
imphal
Question about the task Make a family
Java Syntax, Level 8, Lesson 11
Under discussion
i don't know where i go wrong trying for the 8 time. please help me
8/19/20
871views
2comments
0
Hari
Level 8
Worcester
Question about the task Initializing cats
Java Syntax, Level 5, Lesson 7
Resolved
what is wrong in the code. Admin's please help. package com.codegym.task.task05.task0510; /* Initializing cats */ public class Cat { //write your code here private String name = null; private int weight = 10; private int age = 1; private String color = "yellow"; private String address = null; pu
8/2/20
664views
7comments
0
khushbu Nirmal
Level 7
Mumbai
Question about the task Create a Friend class
Java Syntax, Level 5, Lesson 7
Resolved
help!!I'm not understanding whats going wrong in my code
11/1/18
2611views
8comments
1
Ashish RajAnand
Level 13
Bhilai
Question about the task Create a Friend class
Java Syntax, Level 5, Lesson 7
Resolved
every time i made same code without any error after summit it shows some error . Today i wake up and again summit the same code ,i got surprise that my code is summit.
2/16/20
1365views
2comments
0
Niladri pradhan
Level 33
Mumbai
Question about the task Restaurant (part 2)
Java Multithreading, Level 9, Lesson 15
Resolved
Log condition did not met How to satisfy "write the message "The console is unavailable." (with log level SEVERE)." condition . I have tried everything but it did not work.
1/5/20
1389views
1comment
2
Angel Stefan Arjoca
Level 26
Bucharest
Question about the task ABCs
Java Core, Level 8, Lesson 11
Resolved
I don't understand this one!I don't understand what is the conexion between args and the letters of english alphabet. How i read the english alphabet from the file args. I don't need the code, i need the pseudocode because i don't understand. Tk!
8/19/20
724views
3comments
0
M Till
Level 7
San Jose
Question about the task Sorting three numbers
Java Syntax, Level 4, Lesson 6
Resolved
100% sure this is a correct solution, but still fails Upon verification it says "took too long, looks like you have an infinite loop", despite it even showing my output is correct. It is not an infinite loop, I added condition that changes the while condition to false and a break statement(even though one or the other is sufficient) in two places in wh
7/25/20
776views
4comments
0
Jurabek Kuralbaev
Level 8
Tashkent
Question about the task Plan to conquer the world
Java Syntax, Level 3, Lesson 8
Under discussion
How can I resolve it?last requirement does not met I did all right. Please help me with this!
7/29/20
825views
4comments
0
Henrique
Level 41
São Paulo
Question about the task Refactoring the Chain of Responsibility pattern
Java Multithreading, Level 9, Lesson 9
Resolved
I think the problem is with the constructor. HELP PLIZ when i remove the level field, the constructors crash, and i need them to make it verify. what's the solution?
8/18/20
497views
3comments
0
Eddie
Level 16
Jacksonville
Question about the task Making the top ten
Java Core, Level 2, Lesson 12
Resolved
Not sure this is not working.Hello Fellow Codegym, I am not sure why my code is not passing the conditions. I must be overlooking something. The overloaded transformValue method must double the number passed to it. - line 19 is overloaded, doubles the number by adding itself The main method should only call the transformVal
3/10/19
2453views
7comments
0
Jared
Level 9
Aurora
Question about the task Cat code won't compile
Java Syntax, Level 7, Lesson 12
Resolved
I keep getting NullPointerException java.lang.NullPointerException at com.codegym.task.task07.task0726.Solution.main(Solution.java:23) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(De
7/19/19
1805views
4comments
1
anna
Level 15
Question about the task R or L
Java Syntax, Level 7, Lesson 9
Resolved
Second condition not matched .I am absolutely lost, second condition always not matched...
8/18/20
607views
3comments
0
Abdullah Al Hasan
Level 13
Question about the task Unknown animal
Java Core, Level 2, Lesson 12
Under discussion
what the blunder i've done?its producing output like - Cat Tiger Lion Bull Animal
1/14/19
1679views
4comments
1

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