Exercise: Polymorphism

- [Narrator] If you'd like to try exercising … your powers of polymorphism, here's a suggested exercise. … This UML describes the relationships between a doctor, … a general practitioner, and a surgeon, … and as you can see, there's a parent/child class … between doctor and general practitioner … and also between doctor and surgeon. … We can also say that general practitioner … is a doctor and surgeon is a doctor. … So when you go to implement this, … you're going to want to override the doMedicine method … because a general practitioner does medicine … differently to a surgeon. … A surgeon performs surgery. … A general practitioner makes house calls. … Good luck! … …