⚠️ Did you know? Starting with JDK 21, LinkedHashSet implements the new SequencedCollection interface — allowing insertion at the start, end, and even reversing the collection! This brings new power — and sometimes unexpected behavior — to a class that has long been predictable.

⚠️ Did you know? Starting with JDK 21,
LinkedHashSet
implements the newSequencedCollection
interface — allowing insertion at the start, end, and even reversing the collection!
This brings new power — and sometimes unexpected behavior — to a class that has long been predictable.