In this Java tutorial, you’ve learned how to use class field initializers and class initialization blocks to initialize classes, and how to use constructors, object field initializers, and ...

The Java serialization tutorial In this Java serialization example, we will use both the ObjectOutputStream and the ObjectInputStream to save and retrieve the state of a simple JavaBean. The POJO will ...

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 ...

Becoming popular in the early 1990s and the norm today, object-oriented programming (OOP) languages, such as C++ and Java, provide a formal set of rules for creating and managing objects.