**CS1021 Software Development II** Lecture Videos Winter 2018-2019 Week 2 Lecture 1 # Introduction [download](lectures/1021-2-1a.mp4) ![Introduction](lectures/1021-2-1a.mp4) # `Shape` class [download](lectures/1021-2-1b.mp4) ![`Shape` class](lectures/1021-2-1b.mp4) # Overriding `toString()` [download](lectures/1021-2-1c.mp4) ![Overriding `toString()`](lectures/1021-2-1c.mp4) # `Square` subclass [download](lectures/1021-2-1d.mp4) ![`Square` subclass](lectures/1021-2-1d.mp4) # Explicit use of `super` [download](lectures/1021-2-1e.mp4) ![Explicit use of `super`](lectures/1021-2-1e.mp4)