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Aleksandr Zimin
Random EN
28 February 2021 0:00
Equals and hashCode contracts or whatever it is
The vast majority of Java programmers, of course, know that methods are closely related to each other, and that it is advisable to override both of these methods in their classes consistently. A slightly smaller number know why this is so a
Нина Можарская
Random EN
28 February 2021 0:00
Pattern Builder
This pattern is recommended to be used when a class has a large number of parameters of the same type and it is difficult to remember their order and purpose.
Зепп Бранниган
Random EN
28 February 2021 0:00
Multithreading in Java: essence, advantages and common pitfalls
Hello! First of all, congratulations: you have reached the topic of Multithreading in Java! This is a serious achievement, there is a long way to go. But get ready: this is one of the most difficult topics in the course. And the point is no
Зепп Бранниган
Random EN
28 February 2021 0:00
Multithreading: What Thread Class Methods Do
Hello! Today we continue to talk about multithreading. Let's take a look at the Thread class and how its several methods work. Previously, when we studied class methods, we most often simply wrote it like this: “name of the method” -> “what
Зепп Бранниган
Random EN
28 February 2021 0:00
Thread synchronization. Synchronized operator in Java
Hello! Today we will continue to consider the features of multi-threaded programming and talk about thread synchronization. What is “synchronization”? Outside of the programming realm, this refers to some kind of setup that allows two devic
Сергеев Виктор
Random EN
28 February 2021 0:00
Json scheme: why and who needs it
Hello, wanderer. Today I want to tell you about a little magic. You've probably already heard about json. This is such a universal language: it is understood by machines and easily read by humans. Here is a typical example of a json message
Дмитрий Мухин
Random EN
28 February 2021 0:00
What to teach, where to teach, how to teach?
Hi all! My name is Dima. This is my first article about IT, so don't judge too harshly. It will be useful to those who have just begun to join the ranks of programmers, but are afraid of getting lost in this vast sea of information. Imagine
Юрий Кузнецов
Random EN
28 February 2021 0:00
23 frequently asked interview questions
I'll quickly tell you about myself. I am 25 years old, born in Crimea, Feodosia. He studied at the city technical school, then entered Kharkov, received a bachelor's degree and returned home in 2014. In 2014, I entered correspondence studie
NikEy
Random EN
28 February 2021 0:00
KotlinRush: does it make sense to continue writing in Java?
Hello, JavaRush student, before you are completely absorbed by Java, I would like to expand your horizons and draw attention to the increasingly popular language ! Kotlin is a fairly young language developed by . Yes, yes, the very same com
Viacheslav
Random EN
28 February 2021 0:00
The theory of generics in Java or how to put parentheses in practice
Starting with JSE 5.0, generics were added to the Java language arsenal. First, to understand generics, you need to understand why they are needed at all and what they provide. In the tutorial in the section " ?" It is said that one of the
Нина Можарская
Random EN
28 February 2021 0:00
Pattern (Template) of Delegation
Pattern (Template) of Delegation - let's look at the simplest example. There is a class with some method . A class is an internal, non-static class of a class .
Юрий Кузнецов
Random EN
28 February 2021 0:00
Logic problems at an interview
You have to analyze 5 logic problems plus 4 Java problems from me. Problems that were encountered during interviews and solutions to them are available on the Internet. I will give the top list of those I encountered during interviews.
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