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 ...

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

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 ...

Learn about serialization in Java with our comprehensive tutorial. We provide examples to help you understand how serialization works.