Compare inheritance and composition, the two fundamental ways to relate Java classes, then practice debugging ClassCastExceptions in Java inheritance. Topics Spotlight: AI-ready data centers ...

Jeff Friesen. Figure 1. A pair of inheritance hierarchies are rooted in the common vehicle category. Single inheritance and multiple inheritance. The example in Figure 1 illustrates single ...

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 ...

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 ...