Since Java 21, wrapper classes have played an increasingly sophisticated role in Java’s type system. Here’s everything you ...

The delegation model in Java allows for loading classes flexibly and dynamically at runtime. This is useful in environments where the class loading requirements are unknown at compile-time.

Unlike class-to-class interactions — in which one class can create an instance of another class and then call public methods and properties on that other class directly — under the Actor model all ...

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 ...