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
1114views
1comment
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
824views
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;
29.05.2022
1000views
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?
28.05.2022
631views
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
27.05.2022
1066views
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
23.05.2022
714views
0comments
0
Anonymous #11212226
Level 3
Saint Paul
Java Variable Questions Hi guys, I seem to be struggling with the understanding of Java variables. The Visibility of Variables lesson was extremely complicated for me. I have read the lesson numerous times and get completely lost without some sort of context concerning the reasons behind where, how, and why to use a variab
10.12.2022
885views
2comments
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
1010views
2comments
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
688views
0comments
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
27.04.2022
695views
0comments
0
LuisRC
Level 39
Gijón
Again about serialization Why int the below code only nameA is serialized and if you try to do it with nameB an error is thrown? Does it have to be with the fact the B class is extended from A and only common variables can be serialized? package com.codegym.task.task20.task2018; import java.io.*; /* Find the bugs */
03.05.2022
1115views
3comments
0
LuisRC
Level 39
Gijón
Serialization and Deserialization Hi there! I’ve read https://codegym.cc/groups/posts/112-serialization-and-deserialization-in-java and in the below example (copy & paste from the page) I don’t understand why it fails. To me TerritoryInfo, ResourceInfo and DiplomacyInfo classes are built with the same structure so I don’t see we
01.05.2022
1292views
3comments
0