Scala - Sentenza's notes
Introduction to Scala Object Oriented Programming Basics | SevenMentor
A Beginner's Guide to Scala, Object Orientation and Functional Programming | SpringerLink
Class and Object in Scala - GeeksforGeeks
Scala Companion Objects - Learning Journal
Learning Scala part eight – Scala's type hierarchy and object equality
Scala Class | How a Class Is Works in Scala with Examples?
Scala Case Class
Type Hierarchies in Scala | Baeldung on Scala
How to access inner class elements in scala - Stack Overflow
Unified Types | Tour of Scala | Scala Documentation
Scala Tutorial - Objects - YouTube
Programming in Scala Gist 8. Chapter 8 — Functions and Closures… | by Vinu Charanya | vTechNotes | Medium
scala object field Archives - Prwatech
Scala Object | How Object work in Scala with Examples
Scala Companion Object
Beginning Scala 3: A Functional and Object-Oriented Java Language : Pollak, David, Layka, Vishal, Sacco, Andres: Amazon.it: Libri
Scala - Classes & Objects
Scala><For beginners> - 橘子不是唯一的水果- 博客园
Scala | Case Class and Case Object - GeeksforGeeks
Companion Object in Scala - Knoldus Blogs
Scala Companion Object
