Although Java lacks a true sizeof () equivalent, the Instrumentation interface introduced with J2SE5 can be used to get an estimate of the size of a particular object via its getObjectSize (Object ...

Copying objects is a common Java programming operation that has one serious trap. Here's how to avoid copying from an object reference and only copy the instance and values you want.

Valhalla introduces value objects to improve performance through flatter data representations. The project will expand Java possibilities and preserve performance gains through generic APIs.

Excessive object creation can be a huge problem in Java programs. Despite continuing improvements in JVM technology for memory management, the object creation and garbage collection cycle is still ...