Scala & Spark-Master Big Data with Scala and Spark - Final Run - Functions

The video tutorial covers the importance of structuring code into smaller, reusable functions. It demonstrates a test run in an IDE, focusing on user credential verification and transaction operations in an ATM simulation. The tutorial explains how to handle incorrect inputs, perform balance checks, withdrawals, deposits, and exit the system using loops and conditional statements.

What new insight or understanding did you gain from this video?