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 ...

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

This guide complements " Class and Object Initialization." It provides a glossary of terms specific to that article, new homework, solutions to last month's Java 101 Challenge, ...

This tells the compiler that these objects are descendants of the Animal class. Since the methods isAMammal and isCarnivorous both return true, Dog and Cat do not need to reimplement or ...

In programming, objects are units of code, and each object is made into a generic class. Abstract classes are classes that contain one or more abstracted behaviors or methods. Objects or classes can ...