Java Blog - Java News and Learning posts on CodeGym

June 18, 2026 at 9:03 AM

The 12 Magic Methods (Dunders) You'll Actually Use in Python Python has roughly 100 dunder methods documented in the Data Model reference, but you'll use about 12 of them daily and the rest almost never. Beginners worry about memorizing all of them; intermediate developers worry about which to implement on custom classes.

6/18/26
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Lihu ZhaiLearning Python

June 18, 2026 at 8:45 AM

@property in Python: Getters, Setters, and Computed Attributes Done Right The fastest way to spot a Python programmer who just came from Java: every class has a private _name, a get_name(), and a set_name(value). It works, but it's noise. Python doesn't need any of that. You write self.name = "Rex" directly.

6/18/26
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Lihu ZhaiLearning Python

June 17, 2026 at 2:33 PM

super().__init__() and MRO Explained: Inheritance Without the Diamond Problem The shortest accurate description of super() comes from Raymond Hettinger's "Super Considered Super!" blog post and his PyCon 2015 talk: super() doesn't call your ancestors — it calls your children's ancestors. That line sounds confusing until you understand the Method Resolution Order (MRO), which is the linear list Python

6/17/26
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Lihu ZhaiLearning Python

June 17, 2026 at 1:18 PM

staticmethod vs classmethod vs instance method: When to Use Each in Python Python has three method types, and the difference comes down to one question: what does Python pass as the first argument when you call the method? Instance methods (the default) receive the instance. Classmethods receive the class. Staticmethods receive nothing extra.

6/17/26
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Lihu ZhaiLearning Python

June 17, 2026 at 11:08 AM

When to Use OOP in Python (and When to Skip It): A Decision Framework Backed by "Stop Writing Classes"Python isn't Java. Functions are first-class citizens, modules behave like singletons, dataclasses give you data containers with three lines, and the PSF tutorial doesn't even introduce classes until chapter 9. So the question every Python developer eventually faces isn't "should I learn OOP?

6/17/26
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Lihu ZhaiLearning Python

June 17, 2026 at 10:31 AM

Python OOP for Absolute Beginners: Classes, Objects, and Why Use Them Object-oriented programming in Python comes with two famous metaphors and a lot of jargon. The metaphors ("a class is a blueprint, an object is a house built from it") are accurate but don't tell you what's actually happening in memory or in your code.

6/17/26
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Jesse HanielLearning Python

June 17, 2026 at 9:18 AM

Learning Python in the Age of AI: 5 Honest Answers for 2026 Every Python learner in 2026 is asking the same five questions, in roughly the same order. Is Python still worth learning when AI can write code? What can AI actually NOT do? Should I just vibe-code with AI or do "deliberate practice"? What does a good AI-integrated learning workflow look like? And which AI assistant should I pick?

6/17/26
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Jesse HanielLearning Python

June 16, 2026 at 7:13 PM

Best AI Coding Assistants for Python in 2026: Claude Code vs Cursor vs GitHub Copilot vs ChatGPT The "best AI coding assistant" question changed shape in 2026. Cursor, GitHub Copilot, and Claude Code all expose the same backing models (Claude Opus, Claude Sonnet, GPT-5 Codex) under their respective UIs, so the model choice is no longer the differentiator.

6/16/26
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Jesse HanielLearning Python

June 16, 2026 at 12:15 PM

How AI Coding Assistants Change the Way You Learn Python: A 2026 Workflow Guide Backed by Research The 2025 academic literature on AI-assisted programming education converges on the same finding: AI helps you ship faster but doesn't automatically help you learn deeper, and the gap between those two outcomes depends entirely on HOW you use the AI.

6/16/26
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Jesse HanielLearning Python

June 16, 2026 at 11:37 AM

Vibe Coding vs Deliberate Practice: Which Produces Job-Ready Python Developers in 2026?Andrej Karpathy coined "vibe coding" on February 2, 2025 with one tweet: "a new kind of coding where you fully give in to the vibes, embrace exponentials, and forget that the code even exists." Eleven months later, Collins Dictionary named it the Word of the Year 2025, the first peer-reviewed academic paper on the practice appeared (arXiv:2506.23253), and r/learnpython filled up with people doing it. Meanwhile, K.

6/16/26
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Jesse HanielLearning Python

June 15, 2026 at 11:08 AM

What Python Skills AI Still Can't Replace in 2026: The Iceberg Underneath the Auto-Generated Code The shortest summary of what AI changed in 2026 Python development: AI writes the visible tip of the iceberg fast and confidently. Everything underneath — security, debugging, architecture, judgment — is still human work, and the research shows that letting AI handle the tip while skipping the underneath produces measurably worse software.

6/15/26
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Jesse HanielLearning Python

June 15, 2026 at 10:26 AM

Is Python Still Worth Learning in 2026? An Honest, Data-Driven Answer for the LLM Age The question is at the top of r/Python and r/learnpython this year for the same reason: ChatGPT, Claude, GitHub Copilot, and Cursor write Python code, and beginners want to know whether learning the language is still worth the time.

6/15/26
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