Sets
Explore the concept of sets in Kotlin collections, discovering how they differ from lists by prohibiting duplicates and lacking element ordering. Learn to create, add, and remove elements in sets, and understand their practical uses for managing unique data in programs.
We'll cover the following...
We'll cover the following...
Sets are linear data structures very similar to lists. However, they do have a few notable differences.
What is a Set?
Just like a list, a set is a linear data structure that contains multiple elements. However, sets are different from lists because:
- Sets have no concept of ordering, meaning there is no such thing as “the third element” in a set.
- Sets cannot contain duplicates; you cannot have a set that, for instance, contains
42twice.
Both these properties of sets have implications for programming with them that you should be aware of when using them.
Creating a Set
The way to create a set ...