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Jesse Haniel
Java Collections
9 August 2022 9:47
Java Set
Set is an interface in the Java Collection Framework. You can use Java Set to implement unordered collections with unique elements. In this article, we are going to look at this interface and its implementations...
Oleksandr Miadelets
Multithreading in Java
9 August 2022 8:54
Multithreading in Java
Hi! First of all, congratulations: you've reached the topic of 'Multithreading'! This is a serious achievement — you've come a long way. But prepare yourself: this is one of the most difficult topics in the course. And it's not that we're using complex classes or lots of methods here...
Jesse Haniel
Inheritance in Java
9 August 2022 8:25
Java instanceof Operator
Hi! Today we'll talk about the instanceof operator, consider examples of how it is used, and touch on some aspects of how it works:) You've already encountered this operator on early levels of CodeGym. Do you remember why we need it? If not, no worries. Let's remember together...
Milan Vucic
Java Collections
8 August 2022 12:15
Java Stack
Stack in Java usually means the class from Collection Framework that implements the List interface. It works on the principle of the Stack data structure, which is used to organize one of the types of memory. Also it could be the part of memory to keep data, In this article we will...
Milan Vucic
OOP Java
8 August 2022 9:15
Encapsulation in Java
Hi! We'll devote today's lesson to Encapsulation in Java and begin with examples right out of the gate:) Here you have an ordinary soda dispensing machine. I've got one question for you: how does it work? Try to give a detailed answer: Where does the soda come from? How is the internal temperature maintained?
Alex Vypirailenko
OOP Java
5 August 2022 8:11
OOP concepts in Java
One of Java's greatest strengths is object-oriented programming (OOP). That’s the reason why this language has became so popular and is well suited for projects of any size. What is object-oriented programming? It's not magic, but it can seem magical if you really get in to it. OOP is about how to build your software...
Jesse Haniel
Java Classes
5 August 2022 7:32
Java.util.Random class
The java.util.Random class is used to generate pseudorandom numbers. The methods implemented by this class are used to generate different random data types such as int, double, and float...
CodeGym
CodeGym University
4 August 2022 13:20
We are launching a new group of the online course "Java Fundamentals" with mentors. Classes start on August 15th
Hello, everyone from the CodeGym team! You have probably already heard about our new course, "Java Fundamentals." In two weeks the new classes of this course will start...
Alex Vypirailenko
Java Numbers
4 August 2022 7:18
Java Bitwise operators
You're probably familiar with the word "bit". If not, let's recall what it means :) A bit is the smallest unit of information in a computer. Its name comes from binary digit. A bit can be expressed by one of two numbers: 1 or 0. There is a special binary number system based on ones and zeros ...
CodeGym
Random
3 August 2022 12:18
IT News Digest #26: Airbnb bookings hit record high as travel recovers, Apple's profit declines nearly 11%, A man made millions unlocking T-Mobile phones with stolen passwords
Last week in the news: Updates of tools for Java developers...
Oleksandr Miadelets
Strings in Java
3 August 2022 10:06
String equalsIgnoreCase() Method in Java
The equalsIgnoreCase() method in Java is used to compare two strings while ignoring the case differences (lower and upper). Like the equals method, it compares the contents of both strings. If the contents are...
Alex Vypirailenko
Java Collections
2 August 2022 10:17
Java List
The Java Collection Framework contains very useful interfaces and classes that implement them for working with data structures. It can be said that this is one of the most important JDK frameworks. The List interface is very popular...
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