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

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 ...

Writing a Java application (see Android) that consumes a JSON API usually involves mapping the JSON objects to Java classes for use in the software. This is a tedious and repetitive task to say ...

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

Imagine you are an expert object-oriented Java developer who meticulously crafts code the way an artist cares for their masterpiece. You believe clean code is an absolute necessity. Classes with clear ...

In Java, a package can contain other packages, classes, or both. When modeling, you’ll typically have logical packages that serve primarily to organize your model.

You must create a timer class instance to use the timer's functions. Add the following code to the Java file:timer = new Timer (countdown, this);Notice the "countdown" variable is used.

Java would become easier for students to learn under a proposal to introduce flexible main methods and anonymous main classes to the language. This is a preview language feature, disabled by ...