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 ...

In Java 101: Inheritance in Java, Part 1, you learned how to leverage inheritance for code reuse, by establishing is-a relationships between classes.Composition is a closely related programming ...

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 ...