When to use inheritance in Java. In object-oriented programming, we can use inheritance when we know there is an “is a” relationship between a child and its parent class.

This post explains how to use classes in Java to build objects and organize your code. Also learn: constructors, static methods, and more!

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 ...