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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?
30.05.2022
549
views
1
comment
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("
30.05.2022
523
views
6
comments
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
30.05.2022
1320
views
3
comments
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
29.05.2022
545
views
2
comments
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;
29.05.2022
587
views
3
comments
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?
28.05.2022
378
views
0
comments
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
27.05.2022
797
views
11
comments
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
23.05.2022
449
views
0
comments
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
22.05.2022
823
views
2
comments
0
Karol Grzeszczak
Level 31
Poland
why does not see validateName and age?
import java.util.*; import java.lang.*; import java.io.*; public class UserValidator { void validateName(String name) { if (name != null) System.out.println("Set your name"); else { System.out.println("User name: " + name); } } void vali
22.05.2022
825
views
2
comments
0
hidden #11004352
Level 1
How did you find Codegym?
Hello Everyone, Tonight is Friday night. I wanted to know how people found Code Gym. I myself found them by just scrolling on the App Store
21.05.2022
327
views
0
comments
0
Anonymous #11003396
Level 0
c#跟Java写一个围棋游戏,谁最适合?
只是好奇,因为我毕设跟着相关
20.05.2022
717
views
1
comment
0
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