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  • All questions
  • Rupa Joshi
    Level 29
    Tokyo
    Question about the task GCD
    Java Core, Level 4, Lesson 8
    Under discussion
    Can anyone help me with what is expected?I have tried many different things but it doesn't seem to be working. The final code may not be the perfect but as I said I tried many things and finally asking for the help. May be i am not been able to understand what's actually expected. Anyone can help me with verification pass.
    • 7/18/19
    • 1720views
    • 1comment
    0
  • Yuchen
    Level 17
    Los Angeles
    Question about the task Task about algorithms
    Java Syntax, Level 9, Lesson 11
    Under discussion
    PLS tell me what should I do? keep telling me variable expected.please help me to figure out why the compiler tells me variable expected. The error line is line 53, 54, and 63, 64. I am very confused that I did this algorithms before in pervious tasks, and it passed perfectly. But in this task, I don't know why it keep telling me variable expected. thank you.
    • 7/19/19
    • 1225views
    • 1comment
    0
  • Raisa Toscano
    Level 27
    Tepic
    Question about the task In decreasing order
    Java Syntax, Level 7, Lesson 12
    Resolved
    why does it shows the numbers in decreasing order but still the answer is incorrect?
    • 12/28/18
    • 2136views
    • 3comments
    1
  • hidden #10480161
    Level 8
    Question about the task Checking the order
    Java Syntax, Level 7, Lesson 9
    Under discussion
    Can't find the error public class Solution { public static void main(String[] args) throws IOException { //write your code here ArrayList strings = new ArrayList(); BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); for (int i = 0; i < 10; i++) {
    • 7/10/19
    • 1408views
    • 2comments
    1
  • hidden #10480161
    Level 8
    Question about the task Duplicating words
    Java Syntax, Level 7, Lesson 9
    Resolved
    Why is this not working? It fails to check the display taskpublic class Solution { public static void main(String[] args) throws Exception { // Read strings from the console and declare an ArrayList here ArrayList strings = new ArrayList(); BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); for
    • 7/10/19
    • 1438views
    • 3comments
    2
  • KARAN BHOITE
    Level 15
    Nagpur
    Question about the task One large array and two small ones
    Java Syntax, Level 7, Lesson 4
    Under discussion
    please give me some suggestionpublic class Solution { public static void main(String[] args) throws Exception {int[] array=new int[20]; int[] sarray=new int[10]; int[] ssarray=new int[10]; BufferedReader r=new BufferedReader(new InputStreamReader(System.in)); for(int i=0;i
    • 7/17/19
    • 1159views
    • 2comments
    0
  • Anonymous #10410173
    Level 22
    Delhi
    Question about the task Crossing the road blindly
    Java Syntax, Level 4, Lesson 4
    Resolved
    where i am doing mistake ? package com.codegym.task.task04.task0416; /* Crossing the road blindly */
    • 7/10/19
    • 1516views
    • 4comments
    0
  • Jay
    Level 17
    Washington
    Question about the task Longest sequence
    Java Syntax, Level 8, Lesson 6
    Under discussion
    Not meeting requirements I believe the problem with my code is that the variable longest is set to the value of the variable counter. So when the value of counter changes (specifically when it passes the longest sequence) the longest sequence (3 according to the example input) is not being stored. I can't figure out how to
    • 7/23/19
    • 1237views
    • 2comments
    0
  • Mihajlo
    Level 18
    Laktasi
    Question about the task Streets and houses
    Java Syntax, Level 7, Lesson 4
    Archived
    I am getting correct result but last condition didn't match. Whyyy???package com.codegym.task.task07.task0706; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; /* Streets and houses */ public class Solution { public static void main(String[] args) throws Exception { //write your cod
    • 7/23/19
    • 1395views
    • 1comment
    0
  • hidden #10484120
    Level 13
    Question about the task Sum of the digits of a three-digit number
    Java Syntax, Level 3, Lesson 12
    Resolved
    Please let me know what I'm doing wrong, I have tried everything but last requirement is not being fulfilled. Output is 15.Hi all, Please let me know what I'm doing wrong, I have tried everything but last requirement is not being fulfilled. Output is 15 and I repeated it 3 times.
    • 7/22/19
    • 2019views
    • 4comments
    0
  • Jay
    Level 17
    Washington
    Question about the task Changing functionality
    Java Syntax, Level 7, Lesson 12
    Under discussion
    not meeting requirements I have the following problems with my program: 1. it's not outputting the last String entered: "I". 2. My twice and thrice duplication seems to be OK, but when I verified it said to be sure that it duplicates twice if it's even thrice if it's odd. Please help. Thanks.
    • 7/20/19
    • 1570views
    • 2comments
    0
  • Mihajlo
    Level 18
    Laktasi
    Question about the task One large array and two small ones
    Java Syntax, Level 7, Lesson 4
    Under discussion
    I am getting correct result but last statement is not verified and error appears. Can someone help me?package com.codegym.task.task07.task0705; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Arrays; /* One large array and two small ones */ public class Solution { public static void main(String[] args) throws Exception { //write your code
    • 7/23/19
    • 1461views
    • 2comments
    0
  • Steve
    Level 15
    St. John's
    Question about the task Minesweeper (Part 6/16)
    Games, Level 0, Lesson 0
    Under discussion
    Can anyone see where the bug is?The task fails the last three checks, but I'm unclear why the last two fail; I do call countMineNeighbors() at the end of createGame() and I use getNeighbors(...) in the countMineNeighbors() method. I cannot figure out where I am counting neighboring mines for a cell that is also a mine. if (!cell
    • 7/21/19
    • 1485views
    • 2comments
    0
  • Lukas Smetana
    Level 10
    London
    Question about the task Even numbers
    Java Syntax, Level 4, Lesson 13
    Resolved
    Doesen't work in web enviromentWorks in InteliJ but still not passing
    • 7/23/19
    • 1472views
    • 5comments
    0
  • Bogdan Codreanu
    Level 23
    Question about the task Maximum byte
    Java Core, Level 8, Lesson 3
    Resolved
    ??help!
    • 7/23/19
    • 1536views
    • 0comments
    0
  • Nitin raj
    Level 12
    Mumbai
    Question about the task Changing functionality
    Java Syntax, Level 7, Lesson 12
    Under discussion
    I am confusedWhy task Codition is not met
    • 7/18/19
    • 1261views
    • 3comments
    0
  • Divakar Reddy
    Level 15
    Nandyal
    Question about the task Remove and insert
    Java Syntax, Level 7, Lesson 6
    Under discussion
    can anyone explain me whats wrong with the codewhat mistake am i done
    • 7/7/19
    • 1318views
    • 5comments
    1
  • Riya
    Level 8
    Karnal
    Question about the task Expressing ourselves more concisely
    Java Syntax, Level 7, Lesson 6
    Archived
    the program running properly and showing desired outputthe 3rd requirement is also done. Still not verifying.
    • 10/16/18
    • 2328views
    • 4comments
    1
  • hidden #10480161
    Level 8
    Question about the task Maximum of four numbers
    Java Syntax, Level 4, Lesson 6
    Resolved
    Is this an error?I can't find the problem here, when I Verify, it says "Be sure that the program works correctly with negative numbers." and it does.
    • 7/3/19
    • 1363views
    • 3comments
    0
  • Laurap5
    Level 9
    Vilnius
    Question about the task Longest string
    Java Syntax, Level 7, Lesson 6
    Archived
    Please help I'm receiving the correct answer, but verification unsuccessful.
    • 12/4/18
    • 2433views
    • 9comments
    2
  • Voris
    Level 10
    Tashkent
    Question about the task Streets and houses
    Java Syntax, Level 7, Lesson 4
    Archived
    I can't find my mistake. Error : reached end of file while parsingpublic class Solution { public static void main(String[] args) throws Exception { BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); int[] house = new int[15]; int even = 0; int odd = 0; for(int i = 0; i < 15; i++)
    • 6/23/19
    • 1894views
    • 2comments
    2
  • Dona
    Level 7
    Question about the task String array in reverse order
    Java Syntax, Level 7, Lesson 4
    Under discussion
    not workingplease someone help me to solve this code.
    • 7/11/19
    • 1203views
    • 1comment
    1
  • Mike McKenna
    Level 25
    Wilmington
    Question about the task Maximum of four numbers
    Java Syntax, Level 4, Lesson 6
    Resolved
    i can not get by last condition . please help#'s i used are 5,5,2,8 Thanks
    • 7/22/19
    • 1417views
    • 3comments
    0
  • Anonymous #10438472
    Level 3
    Question about the task Going national
    Java Syntax, Level 8, Lesson 11
    Archived
    Which test scenario am I missing?Could you please help me to find which scenario I am missing here? It seems to work wit different number of spaces but still it doesn't pass.
    • 6/11/19
    • 1781views
    • 8comments
    0
  • SefoBe
    Level 16
    Paris
    Question about the task One large array and two small ones
    Java Syntax, Level 7, Lesson 4
    Under discussion
    What is missing ?Please tell me what is missing
    • 7/11/19
    • 1118views
    • 4comments
    0
  • José Francisco Aranda
    Level 8
    Question about the task Minesweeper (Part 4/16)
    Games, Level 0, Lesson 0
    Resolved
    Help with the taskHelp with my task
    • 7/22/19
    • 1642views
    • 1comment
    0
  • Christian Djanea
    Level 7
    Mount Laurel
    Question about the task Crossing the road blindly
    Java Syntax, Level 4, Lesson 4
    Under discussion
    What do I do wrong?I have tried this code into IntelliJ Idea with several inputs and it seems to be working well, but here I am getting Green and Yellow don't work. You could see my thought process in the code below. Thanks for your help
    • 7/15/19
    • 1310views
    • 3comments
    0
  • hidden #10484120
    Level 13
    Question about the task Pets need people
    Java Syntax, Level 2, Lesson 5
    Resolved
    Does it matter the order of the lines? Hi, I just had a question regarding this task: I had an error when I was posting the solution like this: public class Solution { public static void main(String[] args) { Cat cat = new Cat(); cat.owner = woman; Dog dog = new Dog(); dog.owner = woman;
    • 7/13/19
    • 1878views
    • 6comments
    2
  • Nitin raj
    Level 12
    Mumbai
    Question about the task HashMap of cats
    Java Syntax, Level 8, Lesson 3
    Under discussion
    What the problem here please helpGuyzz check whats the problem is
    • 7/20/19
    • 1369views
    • 1comment
    0
  • Divakar Reddy
    Level 15
    Nandyal
    Question about the task Correct answer: d = 2.941
    Java Syntax, Level 10, Lesson 11
    Under discussion
    i am able to get the output correctly but not satisying the conditionwhere am i done wrong
    • 7/22/19
    • 1129views
    • 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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