Inheritance is one example: the DSFA application used inheritance within the business model, but not to a great extent. UML is also very strong at showing the cardinality of associations; but the vast ...

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

You say you want to learn Java. It can be a daunting language. It might even seem impenetrable if you’re a new programmer. But, you take a deep breath and resolve to give it a go.