Generalization is the UML element to model inheritance. In Java, this directly translates into use of the extends keyword. The realization (Figure I) relationship specifies a contract between two ...

Unlike some languages, such as C++, Java does not allow multiple inheritance with classes. You can use multiple inheritance with interfaces, however. The difference between a class and an ...

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 ...