https://medium.com/@ebenwoodward/how-hash-tables-work-dcf61110ce45

As I’ve been deep diving into a self-taught journey of Data Structures and Algorithms, my studies have led me to the Hash Table data structure. Known in Ruby as a hash, in JS as an object, in Python as a dict(ionary), Java as HashMap, etc. This class is ready made in most OO languages, but there’s a lot that’s going behind the scenes.

Why are Hash Tables important?