Java Blog - Java News and Learning posts on CodeGym

Oleksandr Miadelets Random
February 19, 2026 at 9:47 PM
Why Is Everyone So Obsessed With Python?Ready for you to swap in the final image URLs. Once done, say which languages you need and I'll localize them all.
2/19/26
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Oleksandr Miadelets Random
February 18, 2026 at 10:44 PM
Python Developer Roadmap: From Your First Line of Code to Professional Developer Learn how to become a Python developer from scratch — step-by-step roadmap from your first "Hello, World!" to landing your first job. Real timelines, salary data, portfolio tips, and common mistakes to avoid.
2/18/26
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Oleksandr Miadelets Random
January 7, 2026 at 9:40 PM
ChatGPT Apps: How to Order Pizza, Call a Taxi, and Book a Hotel—Without Leaving the Chat We break down 11 official integrations, show you how to connect apps in two minutes, and explain why this is a new gold rush for developers on the scale of the 2008 App Store—only 80 times bigger.
1/7/26
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Oleksandr Miadelets Random
December 22, 2025 at 12:06 PM
New CodeGym Courses 2025-2026: ChatGPT Apps, Kotlin, Go and C++4 new CodeGym courses 2025-2026: ChatGPT Apps for AI applications, Kotlin for mobile development, Go for clouds, and C++ for high salaries. ALL IN ONE — access to all.
12/22/25
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Oleksandr Miadelets Random
December 22, 2025 at 11:17 AM
ChatGPT Apps: A Complete Developer's Guide for 2025 On December 17, 2025, OpenAI opened ChatGPT Apps submissions to all developers. 800M users, <20 competitors. Complete guide: from your first app to Store publication. NestJS + MCP + code examples.
12/22/25
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Oleksandr Miadelets Random
December 3, 2025 at 11:42 AM
How AI Understands Your Words: From Tokens to Response Ever wondered how ChatGPT understands you? Learn how AI processes text: from tokens to transformers, attention mechanisms to responses. Beginner-friendly guide with real examples.
12/3/25
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Oleksandr Miadelets Random
December 3, 2025 at 11:18 AM
C# (C-Sharp) — A Language You Can Actually Make Real Money With Complete C# guide for 2026: salary ranges ($70-180K), job market analysis, C# vs Java/Python comparison, and free learning resources. Start your C# career today.
12/3/25
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Oleksandr Miadelets Random
November 5, 2025 at 10:13 PM
Top Python Courses in 2025: How to Choose Without Regrets You know what's happening right now, as you're reading these words? Somewhere in the world, another person just landed a job as a Python developer. Starting at $30,000 a year for a junior in Eastern Europe or $70,000 in the US.
11/5/25
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Oleksandr Miadelets Random
November 5, 2025 at 9:01 PM
Why AI Won't Replace Programmers (And Why Now Is the Best Time to Start Learning)I open LinkedIn — and there's another post: "AI writes code better than humans, the programming profession is dying." I check Twitter — same story. YouTube — experts predicting the end of the developer era.
11/5/25
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Oleksandr Miadelets Random
October 22, 2025 at 12:16 PM
Anthropic Introduced the Best Coding Model — Claude Sonnet 4.5 On September 29, 2025, Anthropic released Claude Sonnet 4.5. It's a new AI model for programming, and it's really good. I've been testing it for several weeks myself, and the results surprised me.
10/22/25
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Oleksandr Miadelets Random
October 21, 2025 at 2:18 PM
Top 6 books about Java for beginners [2025]We're accustomed to being able to quickly access and absorb information. We prefer five-minute videos to lengthy lectures and short articles to books. I won't say that a good programming book replaces every article — that's not the case. And it certainly doesn't replace practice. However, for me personally...
10/21/25
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Oleksandr Miadelets Random
October 8, 2025 at 2:28 PM
IntelliJ IDEA 2025.2: When Your IDE Becomes Your Best Friend Hey fellow coders! Remember that moment when you first opened IntelliJ IDEA and thought, "How did I ever live without this?" Well, get ready to experience that feeling all over again. IntelliJ IDEA 2025.2 isn't just another update.
10/8/25
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