Chapter 11 - Defining our own Classes Creating custom classes is one of the main responsibilities of an object oriented programmer. As stated before, an application is a collection of objects that ...

Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

Here's everything you need to know about initializing Java classes and objects before executing them in the JVM.

Data encapsulation is a fundamental principle in object-oriented programming. It involves defining classes that manage their internal state through controlled access. In Java, this is typically ...

Sealed classes in Java let developers limit the creation and use of subclasses and preserve the class hierarchy. Here is how sealed classes in Java work.