Most Java developers who come from a C/C++ background have probably at one time wished for a Java equivalent of sizeof(). Although Java lacks a true sizeof() equivalent, the Instrumentation interface ...

Java 25 integrates Compact Object Headers as a product feature through JEP 519, offering developers a potential 30% CPU reduction and significant memory savings ...

OpenJDK proposal to reduce the Java object header by half or more would lower memory and CPU usage on all Java workloads. Java could get a smaller object header, thus improving memory usage, under a ...