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.

App Dev Trends/Live! 360 speaker Michael Remijan shares how these will revolutionize the Java collection process, shows how it will change your code and talks about common misconceptions. Java 8's ...

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.