IS-A relationship and has a relationship difference?
- IS-A relationship and has a relationship difference?
2 Answers. An IS-A relationship is inheritance. The classes which inherit are known as sub classes or child classes. On the other hand, HAS-A relationship is composition.
- What are Advanced relationships?
Association. Association is a structural relationship which denotes a connection between two or more things. Over these basic features, there are other advanced features like: navigation, visibility, qualification, composition and association classes.