Page 9 | Java Blog - Java News and Learning posts on CodeGym

Oleksandr Miadelets Random
October 2, 2025 at 7:42 PM
GitHub Copilot: How to Become a Cyborg Programmer and Profit from the AI Revolution Remember when calculators killed the bookkeeper profession? Or when Excel wiped out armies of accountants? No? That's right, because it never happened. Instead, financial analysts emerged, earning multiples of what old-school bookkeepers made.
10/2/25
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Oleksandr Miadelets Random
September 23, 2025 at 6:33 PM
Java 25: What's New and Where to Learn It Hands-On Java 25 was released on September 16, 2025 — the first Long-Term Support release after Java 21. Over 15 years of working with Java, I've trained dozens of people to become programmers, and now with my team, we create courses for millions of students.
9/23/25
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Oleksandr Miadelets Random
September 16, 2025 at 5:39 PM
How to Become a Freelancer in 2025 When my friends see that I work from home, at convenient hours, and earn more than they do in the office, the same conversation always starts:— Can I do this too? What do I need to know?Over 10 years in IT, I've seen many acquaintances transition to freelance work.
9/16/25
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Oleksandr Miadelets Random
September 5, 2025 at 11:12 PM
Best Python Books for Beginners and Beyond (2025) Honestly, the best way to learn Python is through CodeGym. We've built an interactive platform packed with practical tasks (over 800!) where every solution gets checked automatically.
9/5/25
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Oleksandr Miadelets Random
August 20, 2025 at 12:03 PM
Overview of a Software Developer's Career A software developer creates, improves, and maintains programs that solve specific tasks, from mobile applications to complex banking systems. This person understands how a product should work and knows how to bring it to life
8/20/25
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slavaweb11 Random
July 15, 2025 at 11:03 AM
What is the best Python course to start building my own project?Hey! 👋 I’m looking for some solid advice on how to learn Python. I want to use it to start working on my own project (more like a passion project). I’ve got very basic programming knowledge from school
7/15/25
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Okal Yuriy Learning Python
June 19, 2025 at 3:51 PM
What Can I Do With Python? A Detailed Breakdown of Its Applications A fair question that nearly every beginner in programming has is: "What can you do with Python?" It's a natural curiosity, shared by those who are just starting out and by those who are already writing some code but wonder whether it's worth the effort
6/19/25
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Dmitry Vezhnin Learning Python
June 12, 2025 at 11:58 AM
How Long Does it Take to Learn Python?Is Python going in for world domination, or is it just a hype? No --- Python isn't just a trend. While it is often hyped, that popularity is backed by real-world demand across many industries. It's not a "learn it today, forget it tomorrow" language. Here's why Python is very much worth learning
6/12/25
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Oleksandr Miadelets Inheritance in Java
April 24, 2025 at 4:34 PM
Inheritance in Java Java is an object-oriented language. This means that everything in Java consists of classes and their objects, and obeys the paradigms of OOP (object-oriented programming). One such paradigm is inheritance, a mechanism in Java by which one class is allowed to inherit...
4/24/25
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Milan Vucic Java Types
April 24, 2025 at 11:26 AM
Char Data Type in Java The char data type in Java is a primitive type that holds a single character, like a letter, digit, or symbol. It's stored in 16 bits (2 bytes), unlike some languages that use 8 bits, giving it room for 65,536 possible values
4/24/25
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Oleksandr Miadelets Java Arrays
April 24, 2025 at 10:35 AM
Java Arrays Imagine cabinets in a storage room. Each of them has its own number, and each of them stores some Baggage object. Or a wine list where every kind of wine is numbered and you order by giving the number of your drink. Or a list of students in which "Adams" is recorded in the first position and "Zimmer" is last...
4/24/25
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Milan Vucic OOP Java
April 24, 2025 at 9:15 AM
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?
4/24/25
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