Tech Interview CheatSheet - Trees
Overview of Trees, including depth first search (DFS), breadth first search (BFS), Binary Search Trees & Self Balancing Trees.
Johan Zietsman
Curious software developer, motorcycle enthusiast, rugby fanatic and biltong connoisseur. My code always works sometimes.
Johan Zietsman
Tech Interview CheatSheet - Maps & Hashing
In Part 1 of this series I looked at common search and sorting algorithms used on Lists. This post will look at Hash functions and how they are applied to Sets and Maps to offer constant time lookup performance. Hash Functions A Hash function takes a value and produces a number that is often used a…
Johan Zietsman
Tech Interview CheatSheet - Lists, Search & Sort
An overview of Binary Search algorithms, including Bubble, Merge and Quick Sort.
Johan Zietsman
How to use JWT and OAuth with Spring Boot
Do you need to setup Single Sign-on (SSO) for a microservice architecture?
Johan Zietsman