1. Practical Session 2 Class Design

2. UML Basics UML - Unified Modeling Language

3. Class Diagram Name Car Fields Methods
- engineSize : int
- maxSpeed : int
# getMaxSpeed() : int
+ drive()
Permissions notation: + public, - private, # protected.

4. C has a collection of objects of type D
Relations A B
A has an object of type B n C D
C has a collection of objects of type D

5. Relations example Car Wheel - engineSize : int - maxSpeed : int
+ drive()
# getMaxSpeed() : int
Wheel
- airPressure: double
+ roll() 4

6. Inheritance
Base
Car
Derived
Ferrari

7. Interface Implementation
Vehicle
Implementation
Car

8. Abstract Class Name* Car * Fields Non Abstract Methods
- engineSize : int
- maxSpeed : int
# getMaxSpeed() : int
+ drive() *

9. Shape Hierarchy example

10. ShapeBase * - canv : Canvas - offset : Point + draw() * + delete() *
+ move(p: Point)
Shape
draw()
delete()
move(p: Point) n
Polygon
Point
Circle
Triangle
Rectangle
Square