Object-Oriented Programming (OOP) is a programming paradigm that organizes software design around objects rather than functions or logic. Java, being an object-oriented language, heavily relies on ...

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 ...

In Java, the concepts of classes and objects are central to object-oriented programming (OOP). A class in Java can be thought of as a blueprint or template that defines the structure and behavior of ...

This is an in-depth java tutorial for beginners. Learn what Java is, how to get started, and how to build basic apps using key concepts!

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 ...

In a previous Java 101 tutorial, you learned how to better organize your code by declaring reference types (also known as classes and interfaces) as members of other reference types and blocks.