Page 197 | CodeGym online Java course - Help

Ashish RajAnand
Level 13
Bhilai
Question about the task ConsoleReader class
Java Syntax, Level 6, Lesson 8
Under discussion
what if i will created static BufferReader variable? public class ConsoleReader { static BufferedReader reader=new BufferedReader(new InputStreamReader(System.in)); public static String readString() throws Exception { String name = reader.readLine(); return name; } public static int readInt() throws E
3/1/20
1031views
2comments
2
Ashish RajAnand
Level 13
Bhilai
Question about the task HashMap of cats
Java Syntax, Level 8, Lesson 3
Resolved
i can't understand?How toString method work ? After s.put(String,Cat) here how Cat return Name i can't understand please any one can explain?
3/12/20
1221views
1comment
0
Ashish RajAnand
Level 13
Bhilai
Question about the task Pay raise
Java Syntax, Level 2, Lesson 2
Resolved
What is error ,why nor match with mentor code public class Solution { public static void main(String[] args) { hackSalary(8000); } public static void hackSalary(int a) { a=a+1000; System.out.print("Your salary is: " +a+ " dollars per month"); //write your code here } }
10/8/18
2316views
10comments
0
Ashish RajAnand
Level 13
Bhilai
Question about the task Constructor
Java Syntax, Level 5, Lesson 9
Resolved
can any one please clarify about how this is different public void Circle(){ ....... } public Circle(){ ....... } what effects when we used void . i know void means null.
2/20/20
1365views
5comments
0
zachary zambo
Level 26
Athens
Question about the task Build a tree (part 2)
Java Collections, Level 1, Lesson 15
Under discussion
What am I overlooking here?I'm not sure what I am missing.
4/24/20
961views
1comment
0
Ashish RajAnand
Level 13
Bhilai
Resolved
what is error and why ? public class Cat { String name; int age; static int count = 0; public static void main(String[] args) { Cat smudge = new Cat(); smudge.age = 3; smudge.name = "Smudge"; count++; Cat fluffy = new Cat(); fluffy.age = 5; fluffy
10/24/18
1282views
2comments
0
Ashish RajAnand
Level 13
Bhilai
Resolved
please explain how to create composite data type and how to use it and in the task 0130 how to create Celsius(double) method
10/7/18
1451views
1comment
0
Ashish RajAnand
Level 13
Bhilai
Resolved
doubt please clear sir as fast as possible 1-why are we required to create static to main method.- 2-why are we required to create public to main method. 3-can i use int at the place of void in main method
9/29/18
1606views
5comments
1
Sidd
Level 7
Maple Valley
Question about the task 18+
Java Syntax, Level 4, Lesson 6
Resolved
??I did everything but it doesn't work??? What did I do wrong?
5/15/20
989views
2comments
0
Profj
Level 20
Lagos
Question about the task Cat relations
Java Syntax, Level 6, Lesson 11
Resolved
Please i don't know what else i can do Please help me.
6/6/19
1793views
7comments
0
Laurence
Level 10
Question about the task Maximum of four numbers
Java Syntax, Level 4, Lesson 6
Under discussion
Help please? My output is correct but it still doesn't satisfy the last two conditions.I've run it through another compiler with all negatives and it returns the correct maximum value. Any help would be greatly appreciated.
5/15/20
527views
2comments
0
Arjun Kiruthivasan
Level 14
Chennai
Question about the task Minimum number of statics
Java Syntax, Level 6, Lesson 11
Under discussion
what is my mistake??someone,, please help me
9/13/18
2617views
8comments
0
Peter Gray
Level 20
Compiegne
Question about the task Debug, debug, and again debug
Java Core, Level 5, Lesson 12
Under discussion
Failed: The A class's initialize method must have the strictest access modifier.It says that my class A doesn't have the strictest access modifier. And here is the code: public static class A { private int f1 = 7; private A(int f1) { this.f1 = f1; initialize(this.f1); } private void initialize(int f1) {
5/15/20
546views
1comment
0
Denis
Level 22
Kharkiv
Question about the task Threads and bytes
Java Core, Level 8, Lesson 11
Under discussion
One condition Help me pls guys
6/29/19
1793views
5comments
0
Pablo Souza
Level 22
Brisbane
Question about the task CRUD 2
Java Core, Level 7, Lesson 10
Under discussion
Can't understand "case -u"Hey folks!! I just passed the case "-u" requirement but I can't quite understand why I had to create another "person" object while it wasn't necessary in task 10 below: else if (args[0].equals("-u")) { Date date2 = new SimpleDateFormat("MM dd yyyy", Locale.ENGLISH).parse(args[4]);
5/5/20
558views
1comment
0
David
Level 26
Bucharest
Question about the task Different methods for different types
Java Core, Level 5, Lesson 12
Resolved
Why is not working the method for Integer values?When I read a negative value or a value greater than 128 it doesn.t print anthing...it is supposed to print : ""This is an Integer. Value: " + value": I really cant understand why is not printing that message when I call it..Can anyone help me, please!! package com.codegym.task.task15.task1519;
5/14/20
639views
8comments
0
Michael Brimage
Level 19
Washington D.C.
Question about the task Sorting bytes
Java Core, Level 8, Lesson 3
Resolved
bytes not added to For some reason I am displaying the indices instead of the literal number. I attempted to save the numbers in a set and then convert to a list and sort. please help. Thanks
5/14/20
693views
14comments
0
Henrique
Level 41
São Paulo
Question about the task Task about algorithms
Java Syntax, Level 8, Lesson 11
Under discussion
Solved, but did not quite understand Hi! I saw that the code bellow, suggested by Guadalupe, solved the problem. But I didn't understand why and how this loops of arrays place the words in alphabetical order. Why the "greater" string is placed after, and the "smaller" is placed before? What does it have to do with the alphabet? (I've
5/14/20
736views
4comments
0
Lgd
Level 20
London
Question about the task Wine tasting
Java Core, Level 4, Lesson 8
Archived
I'm unable to figure out the issue with the getBubblyWine() method and object All items pass except the last. Perhaps I've stared at it for too long but I cannot see my error. please help. thanks
5/15/20
758views
2comments
0
shaan mohd khan
Level 13
Jhansi
Question about the task Task about algorithms
Java Syntax, Level 9, Lesson 11
Under discussion
please help...very much frustated by this task...help
2/16/19
1752views
5comments
0
Arnold Cytrowski
Level 29
Breslau
Question about the task Wait and see
Java Multithreading, Level 5, Lesson 9
Under discussion
Help Anyone can explain to me what should i do to pass it and how it works?
5/14/20
536views
4comments
0
Rafał Pawłowski
Level 22
Southampton
Question about the task Symbol frequency
Java Core, Level 8, Lesson 11
Resolved
Why does it not work?I have tested with several ASCII symbols and it works great
5/15/20
534views
3comments
0
Henry
Level 6
Stuttgart
Question about the task Getters and setters for the Dog class
Java Syntax, Level 5, Lesson 5
Under discussion
hello Whats the mistake on line 18?
5/15/20
900views
2comments
0
Prateek Parmar
Level 4
Chennai
Question about the task Minimum of two numbers
Java Syntax, Level 4, Lesson 6
Under discussion
Getting the correct answer but not getting all sucessful test cases It's showing The program must display minimum of two integers.I'm getting the correct answer during verification as well.
9/4/18
1485views
4comments
0
Lgd
Level 20
London
Question about the task Let's make the code do something useful!
Java Syntax, Level 9, Lesson 11
Resolved
The program must copy the contents of the first file to the second one.It seems I'm not alone in my struggle with this one... Can anybody provide some insight please. Many thanks in advance
4/6/20
1082views
0comments
0
SOUFIANE DAHIMI
Level 32
Marrakech
Question about the task Iterating through a file tree
Java Collections, Level 1, Lesson 2
Archived
Please what's wrong with this code I don't know where is the mistake
4/30/20
1027views
4comments
0
NEGI
Level 2
dehradun
Question about the task Where does a Person come from?
Java Syntax, Level 2, Lesson 2
Under discussion
how to create reference of an object??what's wrong in the code??
5/15/20
521views
1comment
0
ty
Level 2
Hawthorne
Under discussion
iIM STUCKKKKK Implement the print3 method. The method should display the passed string (word) three times, but on the same line. Words must be separated by a space and should not merge into one. (THIS IS MY CODE BUT IT IS WRONG) public class Solution { public static void print3(String s) { System.ou
5/15/20
409views
1comment
0
Dmitrii
Level 38
Saint Petersburg
Question about the task Prices
Java Core, Level 8, Lesson 11
Resolved
Can't figure out what am i missing Code does the job with all my tests, but...
5/9/19
1953views
4comments
0
Sidd
Level 7
Maple Valley
Question about the task Number of days in the year
Java Syntax, Level 4, Lesson 4
Under discussion
??Why does this not work? The output is correct but the last condition does not meet. I am so confused.
5/14/20
484views
1comment
0

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