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 ...

Polymorphism and Java inheritance. ... We use polymorphism all the time in the core Java classes. One very simple example is when we instantiate the ArrayList class declaring the List interface as ...

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 ...