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 ...

A bug in a Java 8 support release caused the ternary operator to behave incorrectly in certain corner-cases. The bug has been fixed, and should not be a problem today. More to the point, Java 8 is no ...