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 ...

Here's everything you need to know about initializing Java classes and objects before executing them in the JVM.

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 ...

Declaring Classes in Java In Java, a class is a blueprint for creating objects. A class defines the properties (attributes) and behaviors (methods) that its objects will have. Declaring a class ...

This post explains how to use classes in Java to build objects and organize your code. Also learn: constructors, static methods, and more!

Author a class in Java and explain how objects are constructed, how they store data, and how you can define their actions. Trace the execution of code using memory-models.

Java's default constructor lets developers create instances of classes when an explicitly defined constructor does not exist. Here's how it works.