Scala Programming for Big Data Analytics : Get Started With Big Data Analytics Using Apache Spark

© Irfan Elahi 2019

I. ElahiScala Programming for Big Data Analyticshttps://doi.org/10.1007/978-1-4842-4810-2_11

11. Classes and Packages

Irfan Elahi¹  

(1)

Notting Hill, VIC, Australia

 

We all live in a world composed of different objects. Just pause and look around you. You will probably find objects like chairs, tables, laptops, televisions, and so on. If you put your programming hat on and observe them, you will find that each of these objects has two main parts:

• Each object has some set of properties, such as with a television, it has dimensions (length, width, and height), color, screen type, etc.

• Each object can perform certain functions, such as with a television, you can turn it on, off, increase/decrease volume, change channels, etc.

Objects ...