Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

The key is to design your methods to return a reference to the current object, ... which includes examples from Java 101: Classes and objects in Java. Related content.

Webucator, the instructor behind all the classes in this bundle, will walk you through several hands-on examples, such as If/Else/Else If statements, to help cement these concepts with real-life code.

Sealed classes make Java an even more powerful and expressive language and set the stage for even more sophisticated techniques such as pattern matching, which we'll explore in a subsequent article. A ...

The Java object serialization example source code. The full code for this Java serialization tutorial is below. This is code uses a single public class and two non-public classes, all of which can be ...