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  • All questions
  • Victoria
    Level 11
    Cape Town
    Question about the task We don't need repeats
    Java Syntax, Level 8, Lesson 8
    Under discussion
    Please help!Where did I go wrong?
    • 11.10.2020
    • 358views
    • 1comment
    0
  • John
    Level 27
    Washington DC
    Question about the task Factory method pattern
    Java Core, Level 6, Lesson 13
    Resolved
    Why isn't this verifying?I get the following error messages: Be sure that the ImageReaderFactory class has a getImageReader() method. The getImageReader method must return a BmpReader object when ImageTypes.BMP is passed as an argument. Be sure that the getImageReader method works correctly if null is passed to it.
    • 07.11.2019
    • 1231views
    • 3comments
    0
  • Rahul Adlakha
    Level 22
    Question about the task Crossing the road blindly
    Java Syntax, Level 4, Lesson 4
    Under discussion
    I'm 100 % sure it must be correct??then why is this solution not being accepted??
    • 09.10.2020
    • 694views
    • 3comments
    0
  • Rahul Adlakha
    Level 22
    Question about the task Multiplication table
    Java Syntax, Level 3, Lesson 6
    Under discussion
    why is the compiler showing an error??The comiler is showing an error for this code. public class Solution {
    • 05.10.2020
    • 607views
    • 2comments
    0
  • Kaiyr Shayakhmetov
    Level 22
    Question about the task Sequential file output
    Java Core, Level 6, Lesson 13
    Under discussion
    Plz help: can't pass the validation for conditions 5&7Hi. Could you give me a hint on what is wrong with the code? The output seems to be correct but validation fails.
    • 20.04.2020
    • 955views
    • 1comment
    0
  • Anitamalina
    Level 18
    København
    Question about the task Name register
    Java Syntax, Level 4, Lesson 2
    Resolved
    The setName method must have a local variable fullName.I get the error of "The setName method must have a local variable fullName." I don't understand that? Can anyone give a hint?
    • 10.10.2020
    • 653views
    • 1comment
    0
  • Dyrits
    Level 1
    Question about the task Prices 2
    Java Core, Level 8, Lesson 11
    Resolved
    Can't satisfy the "-u" requirement...I can't see why it is not working.
    • 10.10.2020
    • 337views
    • 1comment
    0
  • Ismail ALi
    Level 8
    Fort Worth
    Question about the task People
    Java Syntax, Level 5, Lesson 5
    Resolved
    WhAT dID i dO WRoNg hERe?Help Plz.
    • 10.10.2020
    • 507views
    • 4comments
    0
  • Dyrits
    Level 1
    Question about the task Building a file
    Java Core, Level 8, Lesson 11
    Resolved
    What am I doing wrong?I can't pass any test...
    • 10.10.2020
    • 478views
    • 1comment
    0
  • shis1011
    Level 8
    Question about the task Task about algorithms
    Java Syntax, Level 5, Lesson 12
    Under discussion
    need helphow can i get positive value entered??
    • 10.10.2020
    • 487views
    • 4comments
    0
  • Victoria
    Level 11
    Cape Town
    Question about the task Longest sequence
    Java Syntax, Level 8, Lesson 6
    Under discussion
    Where is my mistake?I cant seem to find my problem, I even used '.equals' instead of "==" and it still isn't working. PLEASE HELP. Where did I go wrong?
    • 10.10.2020
    • 538views
    • 3comments
    0
  • Wojtek
    Level 23
    Solec-Zdroj
    Question about the task Reinforce the adapter
    Java Core, Level 9, Lesson 3
    Under discussion
    It seems to be correct outputWhat is wrong?
    • 28.03.2019
    • 1492views
    • 7comments
    0
  • Ishika Paul
    Level 8
    Bangalore
    Question about the task Expressing ourselves more concisely
    Java Syntax, Level 7, Lesson 6
    Archived
    Can please anyone point out why am I not able to meet the last two requirements? I tried with various example the answer looks correct to me. Please help!
    • 10.10.2020
    • 400views
    • 2comments
    0
  • Nina Tuttle
    Level 4
    Champaign
    Under discussion
    minimum of the three int numbers Please can anybody help me with my code? I cannot find my error. It get the error message " min variable might not been initialized". But it has been . Thank you. public class Solution { public static int min(int a, int b, int c) { int min; if (a <= b && a <= c) {
    • 08.10.2020
    • 585views
    • 3comments
    0
  • Daniel L. Tovar
    Level 9
    Question about the task Display right away
    Java Syntax, Level 3, Lesson 3
    Resolved
    Can anyone help me?I believe that my solution to this task is correct but it keeps sending me an error saying that a class, interface or enum was expected on the main method.
    • 07.04.2020
    • 1103views
    • 3comments
    0
  • Antonio
    Level 6
    Milano
    Question about the task Adding
    Java Syntax, Level 4, Lesson 16
    Under discussion
    I didn't get it, can anyone help me? package com.codegym.task.task04.task0442; /* Adding */ import java.io.*; public class Solution { public static void main(String[] args) throws Exception { //write your code here BufferedReader read = new BufferedReader(new InputStreamReader(System.in)); int a = Int
    • 09.10.2020
    • 372views
    • 2comments
    0
  • AlfredW
    Level 23
    Denver
    Question about the task Extending AmigoOutputStream
    Java Core, Level 8, Lesson 8
    Under discussion
    Ha ha ha, I don't even understand what it is I am being asked to do.Literally not a clue.
    • 26.09.2020
    • 393views
    • 5comments
    0
  • Sanjeevkumar
    Level 22
    Mumbai
    Question about the task Adapting multiple interfaces
    Java Core, Level 9, Lesson 3
    Resolved
    I need hints!don't know where i did a mistake.
    • 15.08.2020
    • 794views
    • 3comments
    1
  • Vo
    Level 41
    Sofia
    Question about the task Finding data inside a file
    Java Core, Level 8, Lesson 11
    Resolved
    Third condition fails regardless of the correct outputThis is the third solution I am trying. What is wrong with the verification? I tried with both of the following formats: - id 3 productName green apple price 1.20 quantity 50 - 3 green apple 1.20 50 In addition I tried to convert everything to the respective variables (int, String and double). Than
    • 09.10.2020
    • 486views
    • 2comments
    0
  • Sebastian
    Level 3
    Accra
    Question about the task Multiplication table
    Java Syntax, Level 3, Lesson 6
    Under discussion
    my code doesn't seem to work. where am i wrong pls.package com.codegym.task.task03.task0314; /* Multiplication table */ public class Solution { public static void main(String[] args) { //write your code here System.out.println(1 + " " + 2 + " " + 3 + " " + 4 + " " + 5 + " " + 6 + " " + 7 + " " + 8 + " " + 9 + " " + 10);
    • 02.10.2020
    • 657views
    • 6comments
    0
  • David Haines
    Level 13
    La Crosse
    Question about the task Let's make the code do something useful!
    Java Syntax, Level 9, Lesson 11
    Resolved
    What am I missing? Not comprehending?currently getting this error message: Error in com/codegym/task/task09/task0929/Solution.java on line 38 cannot find symbol symbol: variable fileInputStream location: class com.codegym.task.task09.task0929.Solution
    • 07.10.2020
    • 544views
    • 2comments
    0
  • Daniel
    Level 15
    Colnbrook
    Question about the task Task about algorithms
    Java Syntax, Level 5, Lesson 12
    Resolved
    The result seems to be the right one.Although the result seems to be the right one, I can't pass the verification. Any idea what am I doing wrong?
    • 09.01.2020
    • 1841views
    • 4comments
    0
  • Lawson
    Level 29
    Lagos
    Question about the task Chat (part 17)
    Java Multithreading, Level 6, Lesson 15
    Resolved
    Pls helpPls help with the run method... how do I handle the Exception
    • 08.10.2020
    • 444views
    • 2comments
    0
  • Russell
    Level 9
    Galmpton, Brixham
    Question about the task Longest sequence
    Java Syntax, Level 8, Lesson 6
    Under discussion
    Not sure where its failingIn testing with the sequence 1,2,3,4,4,5,5,5,5,5 the displayed number was correct for the longest set of entered numbers - 5. but the program states that i should check that it returns correctly if the sequence of longest repeated numbers is located at the end of the list. So im a bit confused. An
    • 08.10.2020
    • 533views
    • 1comment
    0
  • Antonio
    Level 6
    Milano
    Question about the task Describing numbers
    Java Syntax, Level 4, Lesson 7
    Archived
    Why is not working?!?!?! package com.codegym.task.task04.task0427; /* Describing numbers */ import java.io.*; public class Solution { public static void main(String[] args) throws Exception { //write your code here BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
    • 08.10.2020
    • 384views
    • 1comment
    0
  • amj
    Level 7
    Imphal
    Question about the task Shortest or longest
    Java Syntax, Level 7, Lesson 6
    Under discussion
    please helpthe answer is correct but program has not match requirement
    • 06.10.2020
    • 425views
    • 4comments
    0
  • Lawson
    Level 29
    Lagos
    Question about the task Time in the garden
    Java Core, Level 7, Lesson 4
    Resolved
    HelpPls what's my error here
    • 31.08.2020
    • 495views
    • 3comments
    0
  • hacks patel
    Level 20
    Ahmedabad
    Question about the task 10 thousand deletions and insertions
    Java Syntax, Level 8, Lesson 6
    Under discussion
    i don't know why error is occuring...i don't know why error is occuring...
    • 25.12.2018
    • 2377views
    • 11comments
    2
  • J VsGaming
    Level 3
    Litchfield
    Question about the task Hello, StarCraft!
    Java Syntax, Level 3, Lesson 4
    Under discussion
    I feel like I'm close but can't quite get there. package com.codegym.task.task03.task0307; /* Hello, StarCraft!
    • 05.10.2020
    • 440views
    • 2comments
    0
  • Carly
    Level 0
    Under discussion
    why is it telling me void type not allowed here?import java.util.Scanner; public class HelloTester { public static void main(String[] args) { // Create a Scanner object Scanner input = new Scanner(System.in); System.out.println("Enter your name"); String name = input.nextLine(); Hello helloObj = ne
    • 07.10.2020
    • 532views
    • 2comments
    0
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CodeGym CodeGym is an online course for learning Java programming from scratch. This course is a perfect way to master Java for beginners. It contains 1200+ tasks with instant verification and an essential scope of Java fundamentals theory. To help you succeed in education, we’ve implemented a set of motivational features: quizzes, coding projects, content about efficient learning, and a Java developer’s career.
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