Good point about collisions. When I wrote the original post, I didn't think about that. As a primarily CRUD developer, I never think about collisions. The de

Good point about collisions. When I wrote the original post, I didn't think about that. As a primarily CRUD developer, I never think about collisions. The default general purpose hash map in all of my languages is fine. That said: It does matter, and it is a reasonable topic for an interview!