08:56duration 8 minutes 56 seconds
Lesson 24.4 Duck Typing
This partial typing from the previous video has a…
09:37duration 9 minutes 37 seconds
Lesson 23.8 Properties (OPTIONAL)
This video introduces an advanced topic that is…
09:07duration 9 minutes 7 seconds
Lesson 22.8 Subclass Initializers
In this video we show that thte primary purpose…
04:57duration 4 minutes 57 seconds
Lesson 21.6 Immutable Attributes
Getters and setters have another advantage in…
07:37duration 7 minutes 37 seconds
Lesson 21.4 Invariant Enforcement
We know how to enforce preconditions, but how do…