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 ...

You might know that Java passes by value, but it helps to understand why. Here's what happens when you pass mutable and immutable object references in Java.

The String class already implements this interface, allowing string objects to be sorted by the Arrays class. To sort created objects, the programmer must implement the Comparable class methods in ...

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 ...

Developers who create a runnable Java class, be it for a ‘Hello World’ demonstration or to kick off a fully featured enterprise application, will enjoy the following technical benefits when using ...