Interview Bootcamp
Ask Author
Back to course home

0% completed

Vote For New Content
Introduction to Hash Tables

A Hashtable (also known as Hash Map) is a data structure that stores key-value pairs and allows fast lookups, insertions, and deletions. It is an essential tool in programming for efficiently managing and retrieving data.

Imagine a locker system where:

  • Your name is the key.
  • Your belongings are the values.
  • A locker number (computed from your name) determines where you store/retrieve items.

In other words, a Hash Table implements an associative array abstract data type (or Dictionary ADT), mapping keys to values

.....

.....

.....

Like the course? Get enrolled and start learning!