A set is an Abstract Data Type used in programming languages.
- Union: Join a set and keep all common elements
- Intersection: Just keep common elements between two sets
Anki
id: set-definition deck: Computer Science::Data Structures tags: data-structures set
Q: What happens if you add the same value to a set twice? A: The set still stores only one copy of that value.
id: set-union-intersection deck: Computer Science::Data Structures tags: data-structures set
Q: If one set contains {1, 2} and another contains {2, 3}, what is their intersection?
A: {2}, because 2 is the only value present in both sets.