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oktava
Random EN
28 February 2021 0:00
Collections. Map. Delete.
Good day. The question is how to remove elements from the collection . I’m trying to solve another problem and I can’t move forward, because I don’t understand on what principle deletion from the collection occurs. The idea is to remove ide
timurnav
Random EN
28 February 2021 0:00
Test task for employment, let's figure it out..
Friends, hello everyone. I want to share with you my experience of solving a test task for the position of a Java developer in a Russian company. I’ll say right away that implementing the main functionality of the assignment is not particul
Treefeed
Random EN
28 February 2021 0:00
15 Developer Interview Questions Regarding Enum in Java (with Answers!)
Enumeration ( ) was introduced in and since then it has become quite popular among Java developers. It is widely used in various Java applications. Because Enum in Java is much more versatile than in C or C++, it also presents many interest
pena
Random EN
28 February 2021 0:00
How to write methods effectively (translation of the article)
The original article is at: Published by: Andrey Redko (Andrey Redko) in Core Java (Java Core) 18 September 2015 This note is part of our Academy's Advanced Java course. This course is designed to help you use Java more effectively. More ad
dah4uk
Random EN
28 February 2021 0:00
Java. Interview Reference Guide - Part 1. (Translation of the article)
Original article is at: Posted by: Nitin Kumar, in Core Java, February 3, 2014 Java is based on object-oriented concept, which gives a higher level of abstraction to solve any problem in a real way. The object-oriented approach conceptualiz
Eva_Sky
Random EN
28 February 2021 0:00
Launching a maven project in IDEA
Guys, help me with this question, maybe someone has encountered it. I'm trying to run a web project in IDEA - any of the stages of the maven build gives the error " ". In this case, the project is working and launched through the console. T
articles
Random EN
28 February 2021 0:00
Comments in Java
Comments in Java, as in most other programming languages, are ignored during program execution. Thus, you can add as many comments to the program as needed without fear of increasing its size. Java has three ways to highlight comments in te
articles
Random EN
28 February 2021 0:00
Let's start from the beginning or 'Hello, Java World!'
I want to start this article with an unusual, at first glance, digression. Later it will become clear why exactly. So, let's imagine Someone. This Someone wants to master alpine skiing. And for this he takes the following steps: Personally,
articles
Random EN
28 February 2021 0:00
Java Primitive Types
As already mentioned, the following primitive types are defined in Java: A primitive variable declaration statement can be followed by an initialization statement " ", which assigns an initial value to the created variable. types vary in th
articles
Random EN
28 February 2021 0:00
Comparison of objects: practice
This is the second of the articles devoted to comparing objects. The first of them discussed the theoretical basis of comparison - how it is done, why and where it is used. In this article we will talk directly about comparing numbers, obje
articles
Random EN
28 February 2021 0:00
Jump Operators
Java supports three jump operators - , and . They transfer control to another part of your program. Let's consider each of the operators in detail. The operator in Java is used in three cases. First, as you've already seen, it ends the sequ
articles
Random EN
28 February 2021 0:00
Ah, these lines...
class is perhaps one of the most used in Java. And very often it is used illiterately, which gives rise to many problems, primarily with performance. In this article I want to talk about strings, the intricacies of using them, the sources o
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