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Java 25
All quests
All levels
Any status
Questions about tasks
Hot
PRADYUMNA HEGDE
Level 2
SHIVAMOGGA
Under discussion
what is the problem with my code?
public class Solution { public static void main(String[] args) { System.out.println("Two roads diverged in a yellow wood,"); System.out.println("And sorry I could not travel both"); System.out.println("And be one traveler, long I stood"); //write
10/9/18
1443
views
1
comment
0
Niranjan Soni
Level 15
Bangalore
Question about the task
User, loser, coder and programmer
Java Core
,
Level 4
,
Lesson 8
Under discussion
Please suggest what's wrong in my code? doWork() method cannot find methods live(), doNothing() and others from Person class.
package com.codegym.task.task14.task1411; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Arrays; /* User, loser, coder and programmer */ public class Solution { public static void main(String[] args) throws Exception { BufferedReader reader = new Bu
10/5/18
1842
views
1
comment
0
Shipra Nandi
Level 5
Chandigarh
Question about the task
Parenthetical brainteaser
Java Syntax
,
Level 3
,
Lesson 4
Resolved
tried every possibility but it's not going on!
package com.codegym.task.task03.task0306; /* Parenthetical brainteaser */ public class Solution { public static void main(String[] args) { System.out.println((2 * 3 + 4) * (5 + 6) * 7); } }
10/1/18
1952
views
1
comment
0
Sindhura
Level 15
Delhi
Question about the task
Dividing by zero
Java Syntax
,
Level 9
,
Lesson 11
Resolved
throwing an error.please help
package com.codegym.task.task09.task0919; /* Dividing by zero */ public class Solution { public static void main(String[] args) { try{ divideByZero(); } catch(Exception e) { System.out.println(e.printStackTrace()); } } public s
10/8/18
1905
views
4
comments
0
MARIO
Level 4
Rosario
Question about the task
You can't have too much of a good thing
Java Syntax
,
Level 4
,
Lesson 10
Archived
What's wrong with my code?
When it runs without verification it works correctly.
10/8/18
2161
views
6
comments
0
Sindhura
Level 15
Delhi
Question about the task
Min and max in arrays
Java Syntax
,
Level 7
,
Lesson 12
Under discussion
help me please
package com.codegym.task.task07.task0721; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; /* Min and max in arrays Create an array of integers (int[]) with 20 elements. 2. Read 20 integers from the keyboard and add them to the array. 3. Find the maximu
10/3/18
2352
views
10
comments
0
gery
Level 9
Islamabad
Question about the task
To the top of the list
Java Syntax
,
Level 7
,
Lesson 6
Resolved
whats wrong with the logic, unable to add at the begining
BufferedReader b = new BufferedReader(new InputStreamReader(System.in)); ArrayList l = new ArrayList(); for(int i=0; i<10; i++) { String ss = b.readLine(); //int size; //add an element on index 0 in the list L l.add(0, ss
9/22/18
2686
views
18
comments
0
Learner
Level 16
Question about the task
Factorial
Java Core
,
Level 5
,
Lesson 12
Under discussion
Factorial of a negative number
Factorial by definition is for positive integers. I do not understand what the program requires. Error message: Be sure that the program works correctly if the entered number is less than 0. So, I have already tried 1. converting the negative number into positive and calculating the factorial. Prin
10/5/18
4695
views
5
comments
0
Azhar Iqbal
Level 18
Multan
Question about the task
Task about algorithms
Java Syntax
,
Level 5
,
Lesson 12
Archived
Where the problem is?
A little hint is required.
10/5/18
1884
views
2
comments
0
Bhumi Shiroya
Level 4
Pune
Question about the task
Day of the week
Java Syntax
,
Level 4
,
Lesson 4
Under discussion
what is error in the code?
please tell the error
10/7/18
1603
views
1
comment
0
Arjun Kiruthivasan
Level 14
Chennai
Question about the task
Three numbers
Java Syntax
,
Level 4
,
Lesson 6
Resolved
how to solve this?
package com.codegym.task.task04.task0424; /* Three numbers */ import java.io.*; public class Solution { public static void main(String[] args) throws Exception { //write your code here boolean check=false; BufferedReader reader = new BufferedReader(new InputStreamRe
8/12/18
2178
views
4
comments
0
Sindhura
Level 15
Delhi
Question about the task
Stack trace with 10 calls
Java Syntax
,
Level 9
,
Lesson 2
Resolved
whats wrong with this?
package com.codegym.task.task09.task0904; /* Stack trace with 10 calls */ public class Solution { public static void main(String[] args) throws Exception { int stackTraceLength = method1().length - method10().length + 1; method1(); } public static StackTraceElement[]
10/7/18
2082
views
2
comments
0
Shahanshah Alam
Level 9
Mohali
Question about the task
Checking the order
Java Syntax
,
Level 7
,
Lesson 9
Resolved
help please
its showing correct index but not at correct position
9/29/18
2351
views
17
comments
0
Hamza Abbasi
Level 2
Jhelum
Under discussion
Display the circumference of a circle, which is calculated using the formula: C = 2 * pi * radius. The result is a fractional number (double).
Display the circumference of a circle, which is calculated using the formula: C = 2 * pi * radius. The result is a fractional number (double).
10/7/18
1644
views
1
comment
0
Imtiyaz Ali
Level 7
Noida
Question about the task
Where does a Person come from?
Java Syntax
,
Level 2
,
Lesson 2
Under discussion
Confusion
1.Person person; person=new Person(); 2. Person person=new Person(); Ain't both 1 & 2 the same ?
10/7/18
1553
views
5
comments
0
Anonymous #328859
Level 3
Karachi
Question about the task
Parenthetical brainteaser
Java Syntax
,
Level 3
,
Lesson 4
Resolved
Confussed
I am given this code public class Solution { public static void main(String[] args) { System.out.println((2 * 3) + 4 * 5 + (6 * 7)); } } and I have to make it 382. Can Someone help me??
9/22/18
1956
views
1
comment
0
shahryar
Level 2
Mandi Bahauddin
Question about the task
No comments needed
Java Syntax
,
Level 0
,
Lesson 8
Under discussion
I don't understand it how I can do it my answer is correct but the last condition is not verifing.which is You need to uncomment the necessary lines and leave the remaining lines unchanged.
package com.codegym.task.task01.task0107; /* No comments needed */ public class Solution { public static void main(String[] args) { int x = 2; int y = 12; x = x * 3; y = x + y; x = y - x; y = y - x; y = y -4; System.out.println(x);
9/26/18
2860
views
6
comments
0
Henrik Krogsholm
Level 30
Copenhagen
Under discussion
no input possible
package com.codegym.task.task03.task0318; /* Plan to conquer the world */ 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));
10/6/18
1642
views
5
comments
0
gery
Level 9
Islamabad
Question about the task
More Sam-I-Am
Java Syntax
,
Level 7
,
Lesson 9
Resolved
how to add string to the end of list
i did multiple attempts to solve it but i get result which just run but unable to verify public static void main(String[] args) throws Exception { //write your code here ArrayList s = new ArrayList(); s.add("Sam"); s.add("I"); s.add("Am");
9/22/18
2507
views
11
comments
0
vajs2017
Level 2
Seoul
Question about the task
No comments needed
Java Syntax
,
Level 0
,
Lesson 8
Resolved
How to solve this tricky tasks
Every time I verify this code. The condition says that this is wrong. I need help.
10/2/18
1721
views
4
comments
0
SP
Level 1
Nagpur
Question about the task
No comments needed
Java Syntax
,
Level 0
,
Lesson 8
Under discussion
check fault in code
what are mistakes in code?
10/1/18
1563
views
2
comments
0
Riya
Level 8
Karnal
Question about the task
Red scare
Java Syntax
,
Level 3
,
Lesson 4
Resolved
please suggest how to code
which format to use
9/5/18
1953
views
6
comments
0
FASIH
Level 4
LAHORE
Under discussion
need help in understanding the meaning of this line
"The Object class's standard toString() method returns a string consisting of the class name and the object's memory address (in hexadecimal form)."
10/6/18
1728
views
3
comments
0
Srividya
Level 3
Bangalore
Question about the task
Square of a number
Java Syntax
,
Level 1
,
Lesson 8
Archived
Write a program that displays the square of 5 on the screen.
Hi, Below is the code I could write for the task (task01.task0127-Square of a number). I have two errors displayed, 1> The main method should display the result of the sqr method. 2> The displayed text must match the task conditions. So, kindly help me with the solution. Thank You.
9/25/18
2683
views
3
comments
0
PRADYUMNA HEGDE
Level 2
SHIVAMOGGA
Question about the task
Display the square of a number
Java Syntax
,
Level 1
,
Lesson 3
Under discussion
I cant able to identify the mistakes. Please help me
public class Solution { public static int number = 5; public static void main(String[] args) { //write your code here int number = 5; number = (number * number); System.out.print(number); } }
10/5/18
1604
views
1
comment
0
WatWat
Level 9
Vancouver
Question about the task
Minimum of four numbers
Java Syntax
,
Level 2
,
Lesson 8
Under discussion
Finished task - but need clarification on something.
There are 2 methods called min - so how does main know which one to use for the final output? Is it the order they are written? Its confusing that there can be 2 methods of the same name.
10/2/18
1676
views
3
comments
0
Shahanshah Alam
Level 9
Mohali
Question about the task
Cat relations
Java Syntax
,
Level 6
,
Lesson 11
Under discussion
help please...what cause wrong output
wrong output
9/26/18
2369
views
19
comments
0
Srividya
Level 3
Bangalore
Question about the task
Minimum of three numbers
Java Syntax
,
Level 2
,
Lesson 8
Resolved
Minimum of three numbers
Please help with resolving the ... "The min method must return the minimum of the numbers a, b, and c." error. Thank You.
10/3/18
2897
views
2
comments
0
Manjunath Deva
Level 5
Bangalore
Under discussion
i'm not getting this please help me to overcome.
package com.codegym.task.task05.task0521; /* Calling a constructor from a constructor */ public class Circle { public double x; public double y; public double radius; public Circle(double x, double y, double radius) { this.x = x; this.y = y; this.radius
10/4/18
1488
views
2
comments
0
Yusra Ansari
Level 9
Karachi
Question about the task
Choose healthy food! Choose fruit!
Java Syntax
,
Level 1
,
Lesson 8
Archived
Throwing error Unable to resolve
Unable to resolve my last error
9/10/18
1628
views
5
comments
0
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