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, ...

An array is a container object that holds a finite number of values of a specific type. The number of elements the array can store is defined upon creation and cannot be changed afterward. After ...

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 ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Instance main methods and unnamed classes, coming in Java 21, will forever change how developers ...