Kotlin - subclasses and superclasses - Using Your Inheritance

Head First Kotlin
A Brain-Friendly Guide
楽天ブックス(Kobo) 紀伊國屋書店(Kinoppy)

開発環境

• macOS Mojave - Apple (OS)
• Windows 10 Pro (OS)
• IntelliJ IDEA CE(Community Edition) (IDE(統合開発環境))
• Kotlin (プログラミング言語)

Head First Kotlin: A Brain-Friendly Guide (Dawn Griffiths(著)、David Griffiths(著)、O'Reilly Media)のChapter 5(subclasses and superclasses - Using Your Inheritance)、Sharpen your pencil(131)の解答を求めてみる。

Class	Superclasses	Sublasses
Person		Musician
Musician	Person	RockStar, BassPlayer, ConcertPianist
BassPlayer	Musician
ConcrtPianist	Musician