Selenium WebDriver with Java - Basics to Advanced and Frameworks - Implementing Map Interface

This lecture covers the concept of HashMap in Java, focusing on its implementation and usage. It explains how HashMap stores data in key-value pairs, demonstrates adding and retrieving elements, and discusses handling null values. The lecture also explores converting HashMap to a set and iterating over it using an iterator. Additionally, it explains how to separate keys and values using Map.Entry, providing a deeper understanding of HashMap operations.

In what scenarios might you use collections in your daily life?

How do you traverse through a set created from a hash map?

What is the significance of casting to a map entry when working with a hash map?

What are the steps to create a hash table and print the key and value separately using an iterator?