Hash Tables Primer: The Ins and Outs of Efficient Key-Value Storage (opens in new tab)

Hash Tables are one of the most used Data structures, they’re so popular that almost every language has their own implementation and nomenclature of Hash Tables. One very interesting fact about Hash Tables is that they’re also used as building blocks for: Classes and its members Variable lookup table As we can see, Hash Tables are not just used in the business case of any application, but it’s also used in the inner working of any programming language.