Help with tasks

So in given code (find mistakes etc.) there is a function overwritten that's called "HashCode". What is this used for? example public int hashCode() { int result = name != null ? name.hashCode() : 0; result = 31 * result + (assets != null ? assets.hashCode() : 0);

I just copied some code from others and from the lesson 1 but I do not understand it. Maybe someone can revert me to another source to understand the concepts behind this task? For now a couple of questions 1) Why do we create a variable to check for instance if it has a name. What does it add? Woul

what to do in case of package com.codegym.task.task07.task0701; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; /* Maximum in an array */ public class Solution { public static void main(String[] args) throws Exception { int[] array = in

My code is almost complete, however I am having an issue with the above stated test case. How can I fix it? package com.codegym.task.task02.task0217;

I don't understand why the third task isn't met I did try to do System.out.println(name); System.out.println(age); but the 4th task also became unchecked but I did what it asked of me.

After struggling for 2 days I could not find the solution. But what I got is that we need to use for (String key : copy.keySet()) I am still not used to enhanced for loop. Can someone please convert the enhanced for loop to longer version of for loop? And, little explanation will also help. Tha

What is the error in this code please? Whenever I try to run it it's used to show me 👉The print method should display the strings for times. Each time in a new line. Shade me more light on this please.

Hey guys can someone come to my help please.? Whenever I run the code it shown me ""

Tested with this.(.Words that are diagonal and backwards are being added incorrectly. I tested with an Array such as:)This is fixed.. {'f', 'd', 'e', 'h', 'l', 'k'}, {'u', 's', 'o', 'g', 'e', 'o'}, {'l', 'm', 'g', 'r', 'o', 'v'}, {'e', 'l', 'p', 'r', 'r', 'h'}, {'p', 'o', 'e', 'e', 'j', 'j'} But s

Someone help me...Getting the right output..What is wrong?

Ok, I am stupid, I am new to this, I get that....but what the heck?! According to this article ( that I read over and over again ) https://codegym.cc/groups/posts/104-the-difference-between-abstract-classes-and-interfaces " An interface only describes behavior. It has no state." Also: But if we tr

I have two things wrong and I cannot figure this out. I have been here for ages trying to work it out, but in vain. Can you please help?! I have two parts wrong! Thank you for your help!

So I just got to level 2 but for some reason the text is english but everything else is dutch (what I want). My interface language is set tu dutch.

The code works. It prints out the correct answer, but clearly I am not doing it the right way or I have an error somewhere. I am taking N from the keyboard and then loop N times. In this loop I set the highest nextN to int maximum. After loops are finished, I print out maximum. If N <= 0 I break

What's wrong with my code. It won't seem to read.

Pleeeaseeeeeeeeee

what is wrong in the code? Error says The server is unable to properly test your solution. Be sure you have all the classes you need. Be sure that your solution doesn't have any infinite loops.

My code works.. but this doesn't compile in Codegym. Btw why what is the difference in line 13 between HashMap map = new HashMap(); and Map map = new HashMap(); ?

When should I use this and when to use Cat. to call the variable in Cat class? public class Solution { public static void main(String[] args) { // Create 10 cats Cat cat1 = new Cat(); Cat cat2 = new Cat(); Cat cat3 = new Cat(); Cat cat4 = new Cat();

I am really frustrated and confused with these ineterfaceses... I though that we can use the word extends only for classes inheritance and when using it, we can inherit only one class. But here: interface Boss extends Person, HasManagementPotential { } the interface extends ( inherits ) two ..

hi guys anyone know why on the website im at level 3 lesson 3 available but after download e set intelliJ on my task i can just see till level 0 and 1 task ? how can i open all my new available task if i cannot show inside the IDE task? is a subcription problem?

I am study Mobil use code gym aap the level 3is not open and ideal c jdk 8 not installing and the not open please help me Sir ??

The new body part must be added to the logic for the attack and defend methods in the AbstractRobot class.

public class Solution { public static void main(String[] args) throws Exception { int[] data = new int[]{1, 2, 3, 5, -2, -8, 0, 77, 5, 5}; Pair result = getMinimumAndMaximum(data); System.out.println("The minimum is " + result.x); System.out.println("The maximum

Why can I not use this. catCount on the setter method?

The result list must be filled with correct pairs according to the task conditions, but I guess it does. Where is my mistake in thinking. Thank you for your advice, in advance.

Korean language support is not available from level 2. What happened?

Couple of things going on. When I'm running the Solution in IntelliJ, nothing is showing up in the build for this task. I have to "stop" the build. Also - I'm not sure what's wrong with the code: package com.codegym.task.task04.task0415; /* Rule of the triangle */ import java.io.*; public

Any help is appreciated.

What am I doing wrong here?