Arguably, class diagrams are the most often used UML ... Generalization is the UML element to model inheritance. In Java, this directly translates into use of the extends keyword.

The first half of this introduction to Java inheritance teaches you how to use the extends keyword to derive a child class from a parent class, invoke parent class constructors and methods ...

We will focus on the relationship between polymorphism and Java inheritance. The main thing to keep in mind is that polymorphism requires an inheritance or an interface implementation. You can see ...

Java's open inheritance model can feel like an open invitation to unintended extensions. The problem becomes especially poignant when a switch statement or a nesting of if statements assumes that a ...