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 ...

Java supports class reuse through inheritance and composition.This two-part tutorial teaches you how to use inheritance in your Java programs. What you’ll learn in this Java tutorial ...

The Single Table Inheritance pattern is a simple and efficient way to map an inheritance hierarchy to a relational database. However, it can lead to sparse tables if subclasses have many unique fields ...

Twenty-three years ago, in his Design Principles and Design Patterns article, Robert "Uncle Bob" Martin boiled down the Liskov substitution principle to the idea that "derived classes should be ...