Instrumentation: querying the memory usage of a Java object provides a nice overview of this interface and provides a link to the Classmexer agent, “a simple Java instrumentation agent that ...

Java 25 introduces Compact Object Headers (JEP 519), delivering up to 30% CPU savings and reduced memory usage for applications with small objects. This user-friendly feature compresses object headers ...

Java provides a way for the programmer to exercise control over memory management by marking certain objects as expendable via reference objects. Should an application’s memory requirements ...