The Observer pattern is probably one of the best ways to reduce coupling between objects. For example, if you are writing a typical application, you may decide to provide a factory or manager that ...

The Observable design pattern is used in many important Java APIs. One well-known example is a JButton that uses the ActionListener API to execute an action. In this example, we have an ActionListener ...

Introduced with the Java 17 release, pattern matching enhances the instanceof operator so Java developers can better check and object's type and extract its components, and more efficiently deal with ...