Java stores object values in heap memory; references to the value are stored in the stack. Another way to create strings is to use the new keyword, as in the following example. String s1 = new String( ...

Reference objects aren't just useful when memory is at a premium; they can also be used to provide slick caching abilities to any application.

Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

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 ...

This approach has the advantage of keeping object ownership strictly on one side of the framework border, and it also addresses a common performance problem in Java applications: excessive allocation ...