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 ...

Learn about serialization in Java with our comprehensive tutorial. We provide examples to help you understand how serialization works.

In 2018, a large number of readers were drawn to Java developer tutorials on a variety of topics from RESTful development to continuous delivery with Jenkins CI.

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.