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 ...

The first half of this introduction to Java inheritance teaches you how to use the extends keyword to derive a child class from a parent class, invoke parent class constructors and methods, and ...

There are three major features in object-oriented programming that makes them different than non-OOP languages: encapsulation, inheritance and polymorphism. Encapsulation Enforces Modularity ...

Why does Java's standard class library contain empty interfaces like Cloneable and Serializable? Find out why in this sixth installment in the "Object-oriented language basics" series. You'll also ...

We also learned how to use inheritance and polymorphism to speed up our code implementation time and to isolate bugs, which makes our code maintenance tasks much easier.