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    3 articles tagged jvm, from Java, Engineering. Latest: “Java 25's Compact Object Headers: I Measured the Real Savings So You Don't Have To”.

    Java
    Sep 29, 2026

    Java 25's Compact Object Headers: I Measured the Real Savings So You Don't Have To

    JEP 519 shrinks every Java object header from 12 bytes to 8 in JDK 25. I ran real benchmarks on JDK 25.0.3 to measure the actual per-object savings.

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    Java
    Aug 14, 2026

    Java 21 Virtual Threads: A Practical Guide for Spring Boot Developers

    Virtual threads are Java 21's biggest performance upgrade in years, but most guides skip the real details — when to use them, Spring Boot, and pitfalls.

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    Engineering
    Jul 16, 2026

    Modern Java for Backend Developers: The Features That Actually Matter

    A practical tour of modern Java features backend developers should use now — virtual threads, pattern matching, records — and why upgrading pays off.

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