Scala & Spark-Master Big Data with Scala and Spark - Update Value in Map

This video tutorial explains how to update key-value pairs in a map. It begins with a brief introduction to the concept, followed by a demonstration of creating a map with initial key-value pairs. The video then shows how to update the values of specific keys using a simple notation, and concludes by displaying the final state of the map after the updates. The tutorial aims to help viewers become comfortable with manipulating map data structures.

What will happen to the values of keys that are not updated in a map?

Explain how to add a new key-value pair to a map.