A method might accept a specific type and its subclasses, but you want to restrict usage to a select few implementations of your own design. Java's open inheritance model can ... including pattern ...

Twenty-three years ago, in his Design Principles and Design Patterns article ... but Martin's quick description initially reads like a summary of Java's out-of-the-box inheritance and polymorphism ...

The first half of this introduction to Java inheritance ... When viewing an inheritance hierarchy, you can easily detect multiple inheritance by the presence of a diamond pattern.