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
1065views
11comments
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
624views
0comments
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
998views
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
29.05.2022
818views
2comments
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
2325views
4comments
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
773views
6comments
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?
30.05.2022
798views
1comment
0
time.bug
Level 1
Guangzhou
初入CODEGYM How are you
31.05.2022
698views
0comments
0
Anonymous #11008345
Level 1
Subs Please does one need a subscription in order to complete all the quest or you can complete them without a sub?
01.06.2022
1063views
1comment
0
Karol Grzeszczak
Level 31
Poland
set clock import java.time.LocalTime; import java.util.*; public class Main { public static void main(String[] args) { List<Clock> clockList = Clocks.init(); print(clockList); addMinute(clockList ,1); System.out.println(); print(clockList); } priv
01.06.2022
996views
5comments
0
P.B.Kalyan Krishna
Level 24
Guntur
Unable to download Open JDK 16.0.2 I am using Windows 7 64 bit operating system. I am unable to download the Open JDK 16.0.2 from the link given to us.
01.06.2022
948views
1comment
0
Karol Grzeszczak
Level 31
Poland
How to add random numbers to some basic while b > a ? import java.util.Random; public class WhileLoop { public static void main(String[] args) { Random random = new Random(); int a = 1000; int b = 0; int c = random.nextInt(10); int d = random.nextInt(50); int sum1; int sum2;
05.06.2022
904views
2comments
0