marcel
Level 3
Germany
Lerngruppe hey alle zusammen, finden sich ein paar Leute die auch gerade erst angefangen haben und das ganze zusammen lernen wollen? Würde ne Discord Gruppe aufmachen(:
4/13/22
1534views
1comment
0
Miles118
Level 13
Brindas
Open new project tab on IntelliJ Hi. I am on windows. I would like to open a project on a new tab insteads of a window. Is it possible ? If yes how ? Thank you
4/27/22
874views
0comments
0
Karol Grzeszczak
Level 31
Poland
java: Bankomat is not abstract and does not override abstract method accountBalance(int) in ATM import java.io.*; interface ATM { void BankWithdraw(int a); void BankDeposit(int a); void accountBalance(int a); } class Bankomat implements ATM { int withdraw; int deposit; int balance; // to change amount public void BankBalan
5/22/22
1374views
2comments
0
Soham1087
Level 1
kolkata
How does Matrix Multiplication Work Using for-loop? Hi All, In one of my interview, the interviewer asked me about Matrix Multiplication Using for-loop, wanted to understand how does this work? Any code example can anyone suggest to me?
5/30/22
957views
1comment
0
Karol Grzeszczak
Level 31
Poland
How to delete last , ? import java.util.ArrayList; public class List { public static void main (String[] args) { ArrayList companies = new ArrayList<>(); companies.add("DELL"); companies.add("APPLE"); companies.add("SAMSUNG"); companies.add("SONY"); companies.add("
5/30/22
970views
6comments
0
Anonymous #10987379
Level 22
Difference between the quest New Java Syntax and Java Syntax Zero. It seems as if you get New Java Syntax when the storyline learning style is chosen, but the classic learning style puts you on Java Syntax Zero. It looks as if New Java Syntax is comprised of less levels and tasks. I was wondering if I am going to miss anything substantial for choosing the story lea
5/30/22
2837views
3comments
0
Karol Grzeszczak
Level 31
Poland
Merging map a with b into c how to do ? import java.util.HashMap; import java.util.Map; class Solution { public static void main(String[] args) { Map<Integer, String> myFavoriteColours = new HashMap<>(); Map<Integer, String> myFriendsFavoriteColours = new HashMap<>(); myFavorit
5/29/22
992views
2comments
0
Karol Grzeszczak
Level 31
Poland
how to get averarage from hashmap? import java.util.HashMap; import java.util.Map; class Student { String name; String surname; String id; public Student(String name, String surname, String id) { this.name = name; this.surname = surname;
5/29/22
1150views
3comments
0
Anonymous #11008345
Level 1
Subscription I don't understand something, are the courses free or you have to subscribe at a point in time?
5/28/22
786views
0comments
0
Karol Grzeszczak
Level 31
Poland
:56:21 java: non-static variable this cannot be referenced from a static context I need two things in one project average grade without minimum and maximum and display of books from the list of which the date of publication is above a certain value import java.awt.print.Book; import java.util.ArrayList; import java.util.Collections; import java.util.LinkedList; public class s
5/27/22
1225views
11comments
0
Karol Grzeszczak
Level 31
Poland
How to run every method ?not only 4,5,6 abstract class transakcjabankowa { private void firstMethodToExecute() { System.out.println("Proszę włożyć kartę:"); } private void secondMethodToExecute() { System.out.println("Proszę podać pin:"); } private void thirdMethodToExecute() { System.out.prin
5/23/22
886views
0comments
0
LuisRC
Level 39
Gijón
Ambiguous method call? I've passed validation of the below task however my Intelij IDE shows me the following error "Ambiguous method call: both 'B.method1()' and 'A.method1()' match". why? I've some more questions about this task: - Why I was able to run it if my IDE shows an error? Does it have something to do with some
5/5/22
2272views
3comments
0