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_10

10. Loops

Irfan Elahi¹  

(1)

Notting Hill, VIC, Australia

 

Many tasks in our life require some degree of iteration or repetition. For instance, books have chapters and you start with one chapter and go until the end. If we want to add numbers from 1 to 100, we have to start at 1 and add them together until we reach the last number. If you are logging into an online web application, you may be prompted for the correct combination of username and password until you get it right. The list of such tasks can go on and on, but the gist of the matter is that if you have to model such tasks in programming languages, you will have to rely on specific ...