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  • All questions
  • Cam
    Level 15
    Bogota
    Question about the task Cat relations
    Java Syntax, Level 6, Lesson 11
    Resolved
    I don't get itI wrote down the code for the task on Eclipse and it runs as it is just fine. It doesn't even needs the "@override" bit. However when I bring the code here it gives me a different result that does not work. Can ayone help me understand why?? thanks in advance yall are great!
    • 5/5/20
    • 628views
    • 2comments
    0
  • Zuz
    Level 20
    Plovdiv
    Question about the task Snake (Part 13/20)
    Games, Level 0, Lesson 1
    Resolved
    HELPline 22 ? i don't get the condition
    • 4/4/20
    • 1281views
    • 2comments
    0
  • Zuz
    Level 20
    Plovdiv
    Question about the task Snake (Part 11/20)
    Games, Level 0, Lesson 1
    Resolved
    HELP ME PLSi can't get pass the last part , i tried so much stuf , with switch , with if ... and the result is the same
    • 3/26/20
    • 1415views
    • 3comments
    0
  • Amruta wagh
    Level 2
    latur
    Question about the task Where does a Person come from?
    Java Syntax, Level 2, Lesson 2
    Under discussion
    error at line no 7public class person { what is error here i don't understand🙄
    • 4/30/20
    • 1113views
    • 3comments
    0
  • Niranjan Soni
    Level 15
    Bangalore
    Question about the task StringHelper class
    Java Syntax, Level 6, Lesson 8
    Under discussion
    What's wrong here?What's wrong here? Last two conditions not satisfying.
    • 9/27/18
    • 2688views
    • 5comments
    3
  • yz
    Level 37
    Jakarta
    Question about the task Implement annotations
    Java Collections, Level 8, Lesson 10
    Resolved
    can anyone help plz Thanks
    • 4/25/20
    • 776views
    • 2comments
    0
  • DeltaPilot12
    Level 24
    Berlin
    Question about the task CRUD
    Java Core, Level 7, Lesson 10
    Under discussion
    Program working but not verifyingHey guys, my program is working absolutely fine! I tried it using a while loop, so that I am able to do multiple inputs (e.g. creating a person, then updating the same one, in between displaying its information, deleting another person, etc.) and the output was correct. But the last 4 requirements a
    • 5/5/20
    • 572views
    • 1comment
    0
  • Matthew Max
    Level 29
    Giza
    Question about the task Kind Emma and the summer holidays
    Java Syntax, Level 8, Lesson 8
    Resolved
    What is wrong please? I tried everything, what is wrong?
    • 5/2/20
    • 1166views
    • 6comments
    0
  • Alban
    Level 14
    Kukes
    Question about the task Sorting three numbers
    Java Syntax, Level 4, Lesson 6
    Under discussion
    Please help!Someone please helpp
    • 5/3/20
    • 854views
    • 6comments
    0
  • hemant
    Level 8
    prayagraj
    Question about the task Triangle of eights
    Java Syntax, Level 4, Lesson 13
    Under discussion
    i made a triangle of base 10 and height 10 but getting error! I have also proved it by run(without verification!
    • 5/31/19
    • 1665views
    • 2comments
    0
  • Rolphson S
    Level 2
    New York City
    Question about the task One cat isn't enough
    Java Syntax, Level 2, Lesson 3
    Resolved
    I need help with this one. How and where do I store a value to the reference cat?
    • 5/4/20
    • 1352views
    • 4comments
    0
  • Derrick Shema
    Level 14
    Bethany
    Question about the task Multiplication table
    Java Syntax, Level 3, Lesson 6
    Under discussion
    Hello Amigos! I don't know why the code I wrote is not meeting the last two requirements. My code gives instructions to print 10 numbers on the same line with spaces for each loop before incrementing the count by 1. I don't know where I am going wrong. Please help! See code below. public class Solution { public static void main(String[] args) { int count=1; while (count<=10){ //evaluates condition System.out.print(1*count+""); // System.out.print(2*count+""); System.out.print(3*count+""); System.out.print(4*count+"");
    • 5/4/20
    • 1049views
    • 4comments
    0
  • Henrique
    Level 41
    São Paulo
    Question about the task To the top of the list
    Java Syntax, Level 7, Lesson 6
    Under discussion
    Why must it be inverted?I finally managed to do this task (so I'm not able to place the solution here). But I could do it only by searching the help topics, and I didn't really understand neither the conditions, nor the solution. And in the topics I didn't find any explanation of the conditions, only partial answers to the
    • 5/4/20
    • 1144views
    • 4comments
    0
  • Bryce Lindley
    Level 9
    Olympia
    Question about the task Controlling body weight
    Java Syntax, Level 6, Lesson 8
    Resolved
    I dont understand. Does this explain why scales don't matter? What is wrong with the code ? :(
    • 9/15/19
    • 1984views
    • 3comments
    0
  • J_DJ
    Level 4
    Saint Louis
    Resolved
    do you really need to download intelliJ IDEA?
    • 5/4/20
    • 925views
    • 2comments
    0
  • Jim_Gk
    Level 7
    Sofia
    Question about the task Shortest or longest
    Java Syntax, Level 7, Lesson 6
    Resolved
    Any suggestions?My output seems correct to me but the 3rd and 4th requirements are not satisfied.
    • 12/9/19
    • 1813views
    • 6comments
    0
  • J_DJ
    Level 4
    Saint Louis
    Question about the task Subjective reality
    Java Syntax, Level 2, Lesson 3
    Resolved
    How do I make it see the String ? I named a it but it doesent see the String a.How do I make it see the String ? I named a it but it doesent see it.
    • 5/2/20
    • 1021views
    • 2comments
    0
  • Alesha Ray
    Level 20
    Austin
    Question about the task Rounding numbers
    Java Core, Level 8, Lesson 11
    Resolved
    My code is giving the correct solution, what's going wrong?I don't have any unnecessary new lines or spaces. I assume it's the way I'm handling negative values but can't be sure. Any help would be greatly appreciated!
    • 5/4/20
    • 1060views
    • 4comments
    0
  • jclements2
    Level 20
    Rogers
    Question about the task Threads and bytes
    Java Core, Level 8, Lesson 11
    Resolved
    This code adds the correct entries to the hash map, but it doesn't verify, can someone please offer me some advice?I have begun to feel that the instructions for these task are becoming very vague, but a very specific solution is required to pass. I had my code outputting the result set added to the resultMap hash map, and the results added there were correct for the input files I used, yet it still doesn't veri
    • 5/4/20
    • 1130views
    • 2comments
    0
  • Chris Hilborne
    Level 26
    Sanlucar de Barrameda
    Question about the task AmigoOutputStream
    Java Core, Level 8, Lesson 8
    Resolved
    Why does .close() write to the file twice?OK - quick question for everyone. I've solved the task - but when I tested the .close() method with a file of my own... it wrote the string to be appended TWICE I can't for the life of me figure out why... any ideas? package com.codegym.task.task18.task1813; import java.io.FileNotFoundException
    • 5/1/20
    • 1642views
    • 3comments
    0
  • Keston Bailey
    Level 4
    Milwaukee
    Question about the task Sam I Am
    Java Syntax, Level 3, Lesson 6
    Under discussion
    What was the purpose of this lesson like what was it trying to teach?I figured out the solution this problem but I did not see the purpose to this lesson if someone could explain.
    • 5/3/20
    • 1639views
    • 2comments
    0
  • Sayed Ali
    Level 13
    Madinat 'Isa
    Question about the task Longest string
    Java Syntax, Level 7, Lesson 6
    Archived
    Longest String issue The code shows the correct answers, still it gives more two wrong requirements! What is the issue?
    • 5/4/20
    • 953views
    • 3comments
    0
  • sachin thakur
    Level 18
    Question about the task Longest string
    Java Syntax, Level 7, Lesson 6
    Archived
    Please help. Can't figure out what's wrong in my code.Please help. Can't figure out what's wrong in my code.
    • 5/4/20
    • 782views
    • 2comments
    0
  • Johannes
    Level 27
    Centurion, Pretoria
    Question about the task Arkanoid (part 9)
    Java Multithreading, Level 3, Lesson 13
    Resolved
    don't understand how to initialize the matrix ?Please give me a help ?
    • 5/3/20
    • 1160views
    • 2comments
    0
  • Alex
    Level 4
    Charlotte
    Question about the task Task about algorithms
    Java Syntax, Level 5, Lesson 12
    Under discussion
    What is wrong in the code?What is wrong in the code?
    • 5/4/20
    • 1016views
    • 2comments
    0
  • KryptoBlack
    Level 7
    Mumbai
    Question about the task Price of apples
    Java Syntax, Level 4, Lesson 1
    Resolved
    Can't figure it out...Need some hints!!!Can some one help me with this.... Any hints will be appreciated.
    • 8/19/18
    • 3633views
    • 13comments
    0
  • Hunt.me.suhaib xaras
    Level 3
    Mumbai
    Question about the task Where does a Person come from?
    Java Syntax, Level 2, Lesson 2
    Under discussion
    What is person() stands for?Person person =new person(); //Will any one explain ,what this step actually does.
    • 5/4/20
    • 875views
    • 2comments
    0
  • Rebekah H
    Level 8
    Gothenburg
    Question about the task Rule of the triangle
    Java Syntax, Level 4, Lesson 4
    Resolved
    Last requirement not fulfilledI don't understand what is wrong with my code, would someone please care to explain why it does not work?
    • 5/4/20
    • 751views
    • 3comments
    0
  • Soham
    Level 5
    Kitchener
    Question about the task 18+
    Java Syntax, Level 4, Lesson 6
    Under discussion
    Can someone please help me hereWhy is this code not working.
    • 11/20/19
    • 1301views
    • 3comments
    0
  • Vahan
    Level 41
    Tbilisi
    Question about the task Arkanoid (part 19)
    Java Multithreading, Level 3, Lesson 13
    Resolved
    Would anyone kindly explain to me why bellow two methods are not in accordance with the task conditions:public void checkBrickCollision() { for(Brick brick : bricks) { if (ball.intersects(brick)) { double angle = Math.random() * 360; ball.setDirection(angle); bricks.remove(bricks.indexOf(brick)); break; }
    • 1/25/20
    • 1646views
    • 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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