Groovy set provides built-in support, shown here with 10 examples. Create unique collections, perform set operations like union and intersection. Tested on Groovy 5.x. “A set is a Many that allows itself to be thought of as a One.” – Georg Cantor Georg Cantor, Mathematician Last Updated: March 2026 | Tested on: Groovy 5.x, Java 17+ | Difficulty: Beginner to Intermediate | Reading Time: 16 minutes If you’ve been calling .unique() on a Groovy List to remove duplicates, you already ... Read More