JVM
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Software Development
Escape Analysis and Scalar Replacement: Why Some Objects Never Touch the Heap
Small, verifiable before and after code examples showing what helps, or defeats, the JIT’s ability to keep an object off…
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Core Java
Kotlin in 2025–2026: The K2 Era and the Rise of True Multiplatform Development
Kotlin has always positioned itself as a pragmatic language—concise, safe, and deeply integrated with the JVM ecosystem. However, the latest…
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Core Java
The Object Allocation Tax: Why Your Java Service Is 40% GC and How the JIT’s Escape Analysis Both Helps and Misleads You
A ground-level look at how HotSpot C2 decides between scalar replacement and heap allocation, the everyday patterns that silently defeat…
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Core Java
Virtual Threads One Year in Production: What Teams Got Wrong and What Actually Improved
Project Loom shipped in Java 21 in September 2023. Two-plus years of real production data — including Netflix’s deadlock post-mortem,…
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Enterprise Java
The JVM Garbage Collector Decision in 2026: G1 vs ZGC vs Shenandoah for Real Workloads
UPDATED — now with Parallel GC ZGC and Shenandoah have both gone generational. G1 picked up meaningful JDK 25 improvements.…
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Core Java
Java 21 vs Java 25 LTS: The Migration Decision Framework Teams Are Avoiding
Two LTS releases now coexist. Virtual thread pinning is fixed. Memory is down 22%. Startup is faster. The gap is…
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Core Java
Vector API at Eleven Incubations: Why This API Takes So Long and What’s Blocking It
JEP 529 ships in JDK 26 with no substantial changes since JDK 25. After five years and eleven rounds, the…
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Core Java
The Lies Your JVM Profiler Tells You: Safepoints, Biased Sampling, and WhyYour Hotspot Analysis Is Wrong
You ran your profiler. You found the hotspot. You optimised it. Performance didn’t change. Here’s the precise technical reason why…
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Enterprise Java
The First JVM-Native AI Agent Frameworks —And Why Rod Johnson Built One of Them
Spring’s creator re-entered open source to bring GOAP-powered agent planning to the JVM. JetBrains shipped a coroutine-first competitor the same…
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