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Lam-lam
Random EN
8 August 2023 10:13
How to use CopyOnWriteArraySet in Java with an example (translation)
is the younger brother of the class . This is a specialized set of classes added in JDK 1.5 along with their more popular cousin . They are part of and located in the . best suited for read-only collections that are small enough to be copie
articles
Random EN
8 August 2023 10:13
Mutual blocking (deadlock) in Java and methods of dealing with it
When developing multi-threaded applications, a dilemma often arises: what is more important is the reliability or operability of the application. For example, we use synchronization for thread safety (thread safety), while in cases where th
articles
Random EN
8 August 2023 10:13
Enums in Java (java enum)
When programming, we often face the need to limit the set of valid values for a certain data type. So, for example, the day of the week can have 7 different values, the month of the year can have 12, and the season can have 4. To solve such
articles
Random EN
8 August 2023 10:13
ASCII text encoding (Windows 1251, CP866, KOI8-R) and Unicode (UTF 8, 16, 32) - how to fix the problem with krakozyabry
Today we will talk about where krakozyabry come from on the site and in programs, what text encodings exist and which ones should be used. Let's take a closer look at the history of their development, starting with basic ASCII, as well as i
articles
Random EN
8 August 2023 10:13
Basics of regular expressions in Java. Part 3
Let's continue our study of regular expressions. In this article, we will look at predefined character classes, as well as quantification (search for sequences). The class API contains predefined character classes that offer convenient shor
articles
Random EN
8 August 2023 10:13
Regular Expressions in Java. Part 2
We continue the study of regular expressions and the java.util.regex API, the previous lesson - Character classes are a set of characters enclosed in square brackets. The simplest form of character classes is to enumerate characters within
articles
Random EN
8 August 2023 10:13
Regular Expressions in Java. Part 1
In this tutorial series, we'll learn how to use the java.util.regex API for regular expressions. We will also learn the syntax of regular expressions. Regular expressions are a way to describe a set of strings with common characteristics th
articles
Random EN
8 August 2023 10:13
String manipulation, functions for working with strings in Java. Part 2
We continue the study of strings in Java. The basics of working with strings can be found in the lesson "Strings in Java". The class contains methods for comparing strings and parts of strings. The following table describes these methods:
articles
Random EN
8 August 2023 10:13
Manipulating Strings, Functions for Manipulating Strings in Java
In this tutorial, we will continue our study of strings in Java. The basics of working with strings can be found in the lesson "Strings in Java". A class in Java has a set of methods for manipulating the contents of a string. Find character
Эллеонора Керри
Random EN
8 August 2023 10:13
Formatting Number Output in Java
Hi all! Often, numbers come into our methods that need to be displayed in some special format. It seems like a small thing, but how would you implement this task? Let's think about this for a bit today. First, to dive head first into Java n
articles
Random EN
8 August 2023 10:13
String class
The class is very commonly used by programmers, so it should be studied very well. Remember that class objects are immutable. So when you think you are changing a string, you are actually creating a new string. Java has special classes and
articles
Random EN
8 August 2023 10:13
Serialization as it is. Part 2
As I said, standard serialization works through the Reflection API. Which means that the class of the serializable object is taken for serialization, a list of fields is taken from it, various conditions are checked for all fields in the lo
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