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 ...

All characters within the capturing group are treated as a single unit during pattern matching. For example, the (Java) capturing group combines letters J, a, v, and a into a single unit.

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 ...