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Viacheslav
Random EN
28 February 2021 0:00
Autoboxing and unboxing in Java
Introduction
A programming language, like the language people speak, lives and changes, new phenomena appear in it to make the language more convenient to use. And as we know, language should conveniently express our thoughts. So, i
Uniges
Random EN
28 February 2021 0:00
Review of employing companies (St. Petersburg, April 2018)
Lately I have been attending a lot of different IT events, like Breakpoint, career day, etc. I had a wonderful opportunity to personally communicate with representatives of some companies with whom I would like to introduce you and, at the
DarthVictor
Random EN
28 February 2021 0:00
Tricks and tips. How to avoid NullPointerException in Java applications
Today I will show you simple techniques on how to avoid NullPointerException in your applications. They are easy to follow, but significantly improve the reliability and quality of your code. Moreover, in my experience, the first tip will h
furs08
Random EN
28 February 2021 0:00
HashMap and ConcurrentHashMap popular interview questions
In my last preview, I talked about “How ”. I talked about the internals of this class and how they fit into the concept. But when I was asked about HashMap and related things, the questioner didn't stop at just the basic concept. During the
PolyMorph
Random EN
28 February 2021 0:00
Thinking in JAVA in Russian
Dear friends, please share the phone-readable (4") version of this book. I spend an hour and a half a day on public transport, I would like to spend this time usefully. Before that I read it on , I wanted to save everything, but I didn’t ha
alexnjc
Random EN
28 February 2021 0:00
Return a zero-length array, not null
Often there are methods that look like this: There is no reason to treat as a special case a situation where there is no cheese on sale. This requires the client to write additional code to process the method's return value , for example:
ext4
Random EN
28 February 2021 0:00
10 Most Asked Questions About Strings in Java
Top 10 most asked questions about strings in Java are mentioned here How to compare strings? What to use: " ==" or equals()? In short, " ==" compares references to strings, but equals()compares the values contained in those strings. If you
CynepHy6
Random EN
28 February 2021 0:00
Pizzeria problems. Builder vs Decorator.
We need to write a program. For a pizzeria that wants to prepare different types of pizza: Chicken, American, Meat, Hawaiian, Pepperoni, etc. Let's see which template and under which scenario is suitable for solving this problem. Traditiona
CynepHy6
Random EN
28 February 2021 0:00
Getting started with Maven Alfresco SDK part 1
Jeff Potts, January, 2014
Sdu
Random EN
28 February 2021 0:00
IDEA, Git, BitBucket in practice. Part 1: Basics. We work locally.
Tired of carrying a flash drive with JavaRushHomeWork.7z from work to home and from home to work, once again forgetting to copy unfinished tasks, I made a strong-willed decision not to wait for level 39 and set up a Git + BitBucket combinat
Эллеонора Керри
Random EN
28 February 2021 0:00
Google announced a competition for Android Things developers
Have you already heard about Android Things? This is a platform for developing smart devices using Android APIs and Google services, that is, Android for the Internet of Things. Android Things is not a software platform, as it might seem at
Helga
Random EN
28 February 2021 0:00
Translation: Using Markdown syntax in Javadoc comments
In this post, we'll look at how you can write Javadoc comments using instead of the standard Javadoc syntax. So what is Markdown? Markdown is a simple markup language that can optionally be translated into HTML using the tool of the same na
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