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 ...

We can find many examples of the Command pattern in the Java Development Kit, and in the Java ecosystem. One popular example is using the Runnable functional interface with the Thread class.

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 ...