Java LinkedList.descendingIterator() is a method in the Java LinkedList class that provides an iterator to traverse the list in reverse order. This is commonly used in applications where elements need to be processed from the tail to the head. Introduced in Java 1997 with Java 1.2, descendingIterator() is vital for reverse iteration in linked list structures.

https://docs.oracle.com/javase/8/docs/api/java/util/LinkedList.html