Learning Outcome

At the end of this lesson, you will be able to:

• understand what properties are and how to get them set

Review

• classes and objects

Lesson

• go over Using OOP, Chapter 8
  • Computer Based Problem Solving
  • "Property Members", "Read-Only Property Members"

Key OOP Concepts

• Properties
  • Properties are used to get and set fields
    • Data encapsulation
  • Some properties should not be able to be changed outright and can only be read

Activity

• go over the demo of "Bicycle Class"
  • note the naming convention for a Field (__speed)
  • methods are just public procedures and functions

Daily Assignment

• continue creating a "Vehicle Class"
• what properties should have getters, what ones setters, what ones both?
• create appropriate properties for your fields
• all "Vehicles" have the following properties (fields):
  • License plate number
  • Colour
  • # of doors
  • Speed
  • Maximum speed
• they also have methods:
  • Accelerate
  • Brake
  • Current State

Extra

• work on the weekly assignment

Homework!

• read over Using OOP, Chapter 8
  • Computer Based Problem Solving
  • "Methods"