Java 25 通过 JEP 519 将紧凑对象头作为产品特性进行了集成，在不需要更改任何代码的情况下，为开发人员提供了 30% 的 CPU 减少 和显著的内存节省。该特性将对象头大小从 12 字节减少到仅 8 字节，并且只需要一个简单的 JVM 标志即可启用。亚马逊已经在数百个 ...

经过评审，JEP 475（G1 延迟屏障扩展）从 Proposed to Target 进入到 Targeted 状态，计划在 JDK 24 中发布。该 JEP 建议将 G1 垃圾收集器的屏障扩展从 C2 JIT 编译器的早期阶段推迟到后期阶段，以此来简化 G1 垃圾收集器屏障的实现。这些屏障记录了有关应用程序内存访问的 ...

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Java has long been a powerhouse programming language thanks to its portability, robustness and extensive ecosystem. However, one major challenge for Java developers is interoperation with native code.