When to use inheritance in Java When to use composition in Java Differences between inheritance and composition Method overriding with Java inheritance Using constructors with inheritance Type ...

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 ...

This looks like the Liskov substitution principle that Uncle Bob Martin described: Substitute a derived class (Square) for a base class (Rectangle). From the standpoint of the compiler, the above code ...