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 ...

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 ...

More recently, Java has introduced the concept of Java Records. This adds immutable, reference-free objects to the language, and again provides a Java language syntax that implements a concept some ...

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.

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 ...