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Core Java
Java 26 Primitive Types in Patterns — The Interview Trap
Java 26 ships JEP 530 — the fourth preview of primitive types in patterns — and with it comes one of the…
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Core Java
Implementing Quantum-Resistant ML-KEM and ML-DSA in Java
As quantum computing continues to evolve, traditional public-key cryptographic algorithms such as RSA, DSA, and Elliptic Curve Cryptography (ECC) face…
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Enterprise Java
Getting Started with WebDriverManager
Selenium WebDriver is a widely used framework for browser automation, but managing browser drivers manually can be time-consuming and error-prone…
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Software Development
The Importance of Maintaining a Project Management Database
Most dev teams manage project data across three or four overlapping systems: a spreadsheet for resource tracking, a Jira board…
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Enterprise Java
Spring AI 2.0 + MCP: Building a Tool-Calling Agent in 50 Lines
Spring AI 2.0-M6, shipped May 8, 2026, is the milestone where building an MCP tool-calling agent in Java stops feeling…
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Meta JCG
[DEALS] Microsoft Visual Studio Professional 2026 (93% off) & Other Deals Up To 98% Off – Offers End Soon!
Hello fellow geeks, Fresh offers await you on our Deals store, please have a look! Microsoft Visual Studio Professional 2026…
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Core Java
Virtual Thread Pinning: The Silent Performance Killer in Your Codebase
Virtual threads promise to make blocking I/O cheap. And they do — as long as they can actually unmount from…
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Core Java
Records in Production: Where They Shine and Where They Silently Fail
Records are one of the most genuinely useful additions to modern Java. They eliminate boilerplate, communicate immutability at the type-system…
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Enterprise Java
Why Your Integration Tests Are Slower Than They Should Be: The Spring Context Cache You Don’t Know You’re Misusing
Every JCG article recommends @SpringBootTest for integration testing. Almost none explain the context cache model underneath it — how a single misplaced @DirtiesContext,…
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