Java Reflection provides a lot of information about a given class at runtime; you can easily know all its super classes, implemented interfaces, methods, constructors, fields, and so on. But in ...

A method might accept a specific type and its subclasses, but you want to restrict usage to a select few implementations of your own design. Java's open inheritance model can feel like an open ...

In Java, nested classes are categorized as either static member classes or inner classes. Inner classes are non-static member classes, local classes, or anonymous classes.

Explain the protected access modifier in Java. In which scenarios is it most useful, and how does it differ from private and public modifiers? The protected access modifier in Java allows a member ...

Using the Quarkus Mockito dependency as-is I cannot mock a final class because it also includes a dependency to mockito-subclass. Mockito can mock final classes, but with this mock maker it can not ...