Page 340 | CodeGym online Java course - Help

dD
Level 17
Novi Sad
Question about the task Adding
Java Syntax, Level 4, Lesson 16
Under discussion
This task has some errors or something, please check it So i wrote the code and ran it, and got the error saying "java.lang.NumberFormatException: Solution.java, method main, line: 18" and "Error converting a string to a number (invalid format)." Thats what you get i think when you enter letters instead of number (Even though i entered the digit, not let
20.01.2019
1198views
7comments
0
Daniel Njuguna
Level 14
Kiambu
Question about the task Three numbers
Java Syntax, Level 4, Lesson 6
Resolved
What's wrong with my code??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)); int number1 = Integer.parseInt(reader.readLine()); int number2
21.01.2019
1328views
3comments
0
srikanth
Level 10
Bangalore
Question about the task Cat's finalize method
Java Syntax, Level 6, Lesson 5
Under discussion
what is the mistake in this code?public class Cat { //write your code here protected void finalize() throws throwable{ } public static void main(String[] args) { } } what is the mistake in this code ? please do help me ..
20.01.2019
1006views
2comments
0
Monica Nicoleta
Level 7
Arad
Question about the task Positive and negative numbers
Java Syntax, Level 4, Lesson 4
Archived
I need help.I know something is wrong with my code, i just don't know what. Please help me. Thank you.
20.01.2019
1241views
2comments
0
Srividya
Level 3
Bangalore
Question about the task As simple as 2+2
Java Syntax, Level 1, Lesson 8
Resolved
Write a program that calls the sum method with the arguments 2 and 2.Hi, I have tried all possible command lines , but I could not find the solution, Please help. public class Solution { public static void main(String[] args) { int a=2; int b=2; int result=(c); } and then, also tried, public class Solution { pu
25.09.2018
5561views
7comments
0
Sundaram
Level 12
Chennai
Question about the task Plan to conquer the world
Java Syntax, Level 3, Lesson 8
Under discussion
Passing verification but failing on run.Error converting a string to a number. (invalid format). Why?import java.io.*; public class Solution { public static void main(String[] args) throws Exception { InputStream inputStream = System.in; Reader inputStreamReader = new InputStreamReader(inputStream); BufferedReader bufferedReader = new BufferedReader(inputStream
05.01.2019
995views
4comments
0
Nazim Haider
Level 2
Mumbai
Question about the task Calculate the circumference of a circle
Java Syntax, Level 2, Lesson 2
Under discussion
help me please public class Solution { public static void main(String[] args) { printCircleCircumference(5); Double pi = 3.14; Double C; C = 2*3.14*radius } public static void printCircleCircumference(int radius) { //write your code here System.out.println(C);
27.10.2018
1153views
6comments
0
bri
Level 7
Sevilla
Question about the task Minimum of three numbers
Java Syntax, Level 2, Lesson 8
Resolved
Where are there sources to know this?Looking in the help section, either I've skipped a lesson inadvertently or people are getting responsesfrom other sources. We've seen how to get min and max briefly withsome examples of the if and else when there are 2 numbers concerned. How on earth are we expected to reasonably do this in a SIMPL
19.01.2019
827views
2comments
0
IvanNik
Level 15
Sofia
Question about the task In the blue depths of the stack trace…
Java Syntax, Level 9, Lesson 2
Under discussion
I'm not sure what I have to "catch" in this task It could be this: public static void main(String[] args) throws Exception { int deep = getStackTraceDepth(); System.out.println(deep-Thread.currentThread().getStackTrace().length); } public static int getStackTraceDepth() { return Thread.currentThread().getStackTrace
19.01.2019
1187views
1comment
0
ManasaBhattaru
Level 10
Bangalore
Under discussion
https://codegym.cc/quests/lectures/questsyntax.level07.lecture06 Not able to figure out the issue with code.. Pgm is meant to fnd the minimum of the arraylist.. https://codegym.cc/quests/lectures/questsyntax.level07.lecture06 Code: import java.util.ArrayList; import java.io.BufferedReader; import java.io.InputStreamReader; /* shortest string */ public class S
19.01.2019
929views
3comments
0
Jyothi
Level 20
Question about the task Greater than 10? You're not a good fit for us
Java Syntax, Level 8, Lesson 8
Resolved
task08.task0814 - Greater than 10? You're not a good fit for us task08.task0814 - Greater than 10? You're not a good fit for us When I run it has removed elements > 10. But not according to codegym vaerify?
11.12.2018
1615views
5comments
0
Lukasz
Level 14
Wrocław
Question about the task Playing Javarella
Java Syntax, Level 7, Lesson 9
Resolved
What is wrong here Input: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Output: Divisible by 3: 3 6 9 12 15 18 Divisible by 2: 2 4 6 8 10 12 14 16 18 20 Rest: 1 5 7 11 13 17 19
19.01.2019
1558views
1comment
0
Jyothi
Level 20
Question about the task HashMap of 10 pairs
Java Syntax, Level 8, Lesson 3
Resolved
task08.task0802 - HashMap of 10 pairs task08.task0802 - HashMap of 10 pairs Initialization failing verify. why?
11.12.2018
1312views
3comments
1
Wojtek
Level 23
Solec-Zdroj
Question about the task Longest string
Java Syntax, Level 7, Lesson 6
Archived
how to resolve this task?need help
10.01.2019
1335views
1comment
0
Sourav Kumar Rana
Level 9
Delhi
Question about the task Drawing lines
Java Syntax, Level 4, Lesson 13
Under discussion
solution package com.codegym.task.task04.task0438; /* Drawing lines */ public class Solution { public static void main(String[] args) throws Exception { for(int i=0;i<10;i++) { System.out.print("8"); }//write your code here for(int i=0;i<10;i++) {
14.01.2019
1141views
2comments
0
Mohammed Aabid Chouhan
Level 2
Mumbai
Question about the task Contract
Java Syntax, Level 1, Lesson 6
Under discussion
I can't find unlock next lesson on level 1 lesson 6. I don't know why this is happening everytime I can't find unlock next lesson on level 1 lesson 6. I don't know why this is happening everytime
18.01.2019
895views
3comments
0
manoj deo
Level 3
Jakarta
Question about the task Print three times
Java Syntax, Level 2, Lesson 8
Resolved
help me whats the problem?
21.09.2018
1407views
2comments
0
Mohammed Amine EL AMRANI
Level 11
Rabat
Question about the task Number of letters
Java Syntax, Level 10, Lesson 11
Under discussion
I didn't understand the question Hello, Could someone explain me the question because i didn't understand it, and give me an exemple : Enter 10 strings from the keyboard and count the number of different letters in them (for the 26 lowercase letters of the English alphabet). Display the results on the screen in alphabetical orde
18.01.2019
930views
1comment
0
Avinash Rana
Level 7
Kolkata
Under discussion
The object ive of this project is to process the results of an examination held in a s chool . All the students were tested in 5 subjects - English, Mathematics, Physics, Chemistry and Computers. The marks scored b y the students has been provided in the file - results.txt. The objective is t can anyone help me with this?
18.01.2019
1014views
1comment
0
Meshack
Level 8
Thika
Question about the task Closest to 10
Java Syntax, Level 4, Lesson 4
Resolved
Help Kindly help, the second call to displayClosestToTen() function doesn't display anything,
18.01.2019
1095views
2comments
0
Jane
Level 3
Cape Town
Question about the task Our first converter!
Java Syntax, Level 2, Lesson 2
Under discussion
Rusty Math Help Hi there, So I didn't have a hard time trying to put the code together, but I had a hard time with converting the formula. I haven't been in math class in over a decade, so can someone please explain to me how to get from TC = (TF - 32) * 5/9 to TF = ... Thank you
17.01.2019
939views
5comments
0
Laxmidhar Mishra
Level 12
Mumbai
Question about the task Pay raise
Java Syntax, Level 2, Lesson 2
Under discussion
Hi, Am facing error as It looks like you made a typo or forgot to add 1000.How to correct it.package com.codegym.task.task02.task0205; /* Pay raise */ public class Solution { public static void main(String[] args) { hackSalary(7000); } public static void hackSalary(int a) { //write your code here a=a+1000; System.out.println("Your salary is: "
13.01.2019
1003views
3comments
0
Wojtek
Level 23
Solec-Zdroj
Question about the task In decreasing order
Java Syntax, Level 7, Lesson 12
Under discussion
What is wrong here?help
14.01.2019
1325views
7comments
0
Wojtek
Level 23
Solec-Zdroj
Question about the task R or L
Java Syntax, Level 7, Lesson 9
Under discussion
need help output: lyre love love rose Why rose is in output?
11.01.2019
1254views
3comments
1
srikanth
Level 10
Bangalore
Under discussion
which statement in this code is not satisfying task conditions ?{ public static void main(String[] args) throws Exception { //write your code here BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); String number=reader.readLine(); int num=Integer.parseInt(number);
17.01.2019
921views
1comment
0
Dreni Mujaj
Level 7
Peja
Question about the task Arithmetic mean
Java Syntax, Level 5, Lesson 5
Under discussion
Please help me.I'm stuck for hours It can't compile.Its says 1)"cannot find symbol symbol: class BufferedReader location: class com.codegym.task.task05.task0507.Solution: Solution.java, line: 11, column: 8" 2)cannot find symbol symbol: class BufferedReader location: class com.codegym.task.task05.task0507.Solution: Solution.java, l
17.01.2019
1063views
1comment
0
Vijay Rangan
Level 5
Jakarta
Question about the task Positive number
Java Syntax, Level 4, Lesson 7
Under discussion
cant compile cant compile this program
30.11.2018
1025views
5comments
0
Arvind Prakhar
Level 7
Dhanbad
Question about the task Longest string
Java Syntax, Level 7, Lesson 6
Archived
2 errors My first two condition is not full filled .But why its not getting full filled instead i have initiated the ArrayList and took input from user.So why its showing error
22.12.2018
1452views
3comments
0
Varunkumar
Level 3
Chennai
Question about the task Square of a number
Java Syntax, Level 1, Lesson 8
Archived
How to call a method in java??https://codegym.cc/tasks/com.codegym.task.task01.task0127
16.01.2019
1020views
2comments
0
WatWat
Level 9
Vancouver
Question about the task Shortest or longest
Java Syntax, Level 7, Lesson 6
Under discussion
Ran with correct output an no errors why is it not being verified Not being verified. Please look at my code
14.10.2018
1184views
3comments
0

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