Week 12. Video Lecture. Chapter 21. Sets and Maps
Channel: Satbek Abdyldayev
Date: 06/04/2020

Some links:
- Choosing the right data structure: http://careerdrill.com/blog/coding-interview/choosing-the-right-data-structure-to-solve-problems/
- Sets in Java: https://www.geeksforgeeks.org/set-in-java/
- Jenkov tutorials: http://tutorials.jenkov.com/java-collections/index.html