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Java IO & NIO
11 August 2022 8:12
Java PrintStream Class
Hi! Today we'll talk about the PrintStream class and everything it can do. Actually, you are already familiar with two methods of the PrintStream class. They are print() and println(), which you probably use every day :) Because the System.out variable is a PrintStream object, you are calling one of this class's methods...
10 August 2022 16:52
Polymorphism in Java
Hi! Today we conclude a series of lessons on the principles of OOP. In this lesson, we'll talk about polymorphism. Polymorphism is the ability to work with several types as if they were the same type. Moreover, the objects' behavior will be different depending on their type ...
10 August 2022 14:26
IT News Digest #27: Elon Musk sells nearly 8 million Tesla shares, The US invests $280bn in high tech to compete with China, GitHub Projects Now Generally Available
Last week in the news: Amazon to buy the company behind the Roomba in a $1.7 billion deal; hackers might have figured out your secret Twitter accounts.
9 August 2022 13:13
Why Do Developers Suffer from Burnout? Complete Guide to Burnout in Tech
That's how people usually imagine every new working day of a developer – the cup of fresh coffee and a new exciting project ahead. Pleasure and fulfillment… Yet, one opposite feeling can trap IT specialists...
9 August 2022 9:47
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...
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...
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...
8 August 2022 12:15
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...
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?
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...
5 August 2022 7:32
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...
5 August 2022 6:21
Top 8 Open Source GitHub Projects to Level-Up Your Coding
At CodeGym, our goal is not just to teach our students (users) how to code in Java from scratch. We also realize our responsibility for those who complete the course, get all the knowledge that it can provide and start looking for a full time job as a Java developer...
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