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 ...

As you learned in my recent introduction to programming with classes and objects, you initialize an object via the code that you place in a class’s constructor. Consider Listing 7. Listing 7.

What are classes in Java? If you’re not familiar with the concept of object-oriented programming, this is the best place to start. If you already know what a class is and just want to learn Java ...

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 ...