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 Java Tutorial goes on to list bullets for when an abstract class should be considered and for when an interface should be considered. Unsurprisingly, these are derived from the previously ...

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.

First class money & currency support in Java are almost here. JSR 354 spec lead Credit Suisse's Anatole Tresch discusses previous shortcomings, motivation for the new APIs, & lots of examples.

Spring Boot takes an opinionated approach to developing cloud-native applications. In this step-by-step Spring Boot RESTful web services example in Java, we take you through the process of developing ...