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 ...

Java currently supports only two types of value: primitives and object references. Project Valhalla extends this by introducing inline classes which are a new form of type that exhibit some ...

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 ...

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.

Don't be intimidated by the prospect of doing functional programming in Java. This step-by-step example will help you learn basic Java lambda syntax quickly and effectively.

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

Think you've nailed the basics of Java pattern matching? Keep learning with these Java pattern matching examples involving records, inferred types and generics.

The array object in the Java programming language supports a built-in method for sorting objects. An array of strings named "words," for example, can be sorted by calling the "Arrays.sort (words ...