Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

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 ...

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 ...