This tutorial launches a short series introducing data structures and algorithms. In Part 1, you’ll learn what a data structure is and how data structures are classified.

Seventy years after the invention of a data structure called a hash table, theoreticians have found the most efficient possible configuration for it.

Haiku-style minimalist code is valued. That especially goes for data structure design. In my experience, the biggest problem in software these days is bloated data structure.