Core Java
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GIS Map Service Introduction in Java
1. Introduction You can see various map services like google maps, bing map and more in your ordinary life. This…
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OpenCV Android Object Detector
This post will be the final chapter of my series on object detection since we have explored the possibility of…
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ZGC vs G1GC in Java 26: Which GC Should You Actually Use?
Every time a new Java release drops, the question surfaces again in Slack channels and pull-request threads alike: “Are we still…
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Understanding the Key Derivation Function API in Java 25
Java 25 introduces a standardized Key Derivation Function (KDF) API that simplifies the process of deriving cryptographic keys from passwords,…
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JUnit5 & Gradle Parallel Testing Example
Modern software applications often contain hundreds or even thousands of automated tests. While these tests help maintain software quality, execution…
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Sealed Interfaces + Exhaustive Switch: The Pattern the Senior Java Interview Expects
Six progressively harder questions — from exhaustiveness guarantees and non-sealed subtypes to generic bounds and cross-package visibility. Everything a senior…
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Java Virtual Threads Without Pinning
Virtual Threads, introduced as part of Project Loom, provide a lightweight concurrency model that enables Java applications to handle millions…
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Lazy Constants (JEP 531): JIT’s Best Friend You Haven’t Met
How ofLazy() unlocks constant-folding without static final, why it finally replaces double-checked locking, and what the numbers look like in practice. Every Java…
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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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