Compare inheritance and composition, the two fundamental ways to relate Java classes, then practice debugging ClassCastExceptions in Java inheritance.

It's not good enough to simply use inheritance and apply the rules of polymorphism to your code. To write SOLID code, and properly implement the Liskov substitution principle in Java, your code must ...

Sealed classes in Java let developers limit the creation and use of subclasses and preserve the class hierarchy. Here is how sealed classes in Java work.

Inheritance is a common pattern in object-oriented programming, but it’s not easily replicated in a database. This Java tip shows you how to model inheritance relationships in JPA with Hibernate.

This article uses examples to explain how to efficiently and correctly use inheritance and polymorphism in preparation for adopting the Universal Verification Methodology (UVM) flow. OOP is a proven ...