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 ...

Object-oriented systems are usually partitioned into layers of related responsibilities and only dependencies in one direction are allowed, from higher layers (more specific, less reusable) to lower ...

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

Copying objects is a common Java programming operation that has one serious trap. Here's how to avoid copying from an object reference and only copy the instance and values you want.

Java frameworks group of objects includes – classes, interfaces, and algorithm. Class – Everything in Java is associated with classes and objects.

What is a Java string? A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a ...

The Java Serialization API provides a standard mechanism for developers to handle object serialization. For example, say you have a “Person” class in Java that contains fields containing an ...

Ryan Boudreaux continues his tutorial on getting acquainted with jQuery by showing you how to get objects by ID and Class selectors and by Tag and Attribute.