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 ...

The Java Function interface is quite simple. It takes a single Java object as an argument, and returns a single Java object when the method concludes. Any method you can conjure up takes an object and ...

This is an in-depth java tutorial for beginners. Learn what Java is, how to get started, and how to build basic apps using key concepts!

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.

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( ...