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.

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

Some words can’t be utilized as variables, identifiers or classes, as they are part of Java’s syntax. Examples of keywords include: abstract, boolean, byte, class and interface.