Hands-On Object-Oriented Programming with Kotlin

List iterators

The list iterator extends from the iterator interface and also has some additional functions. While the iterator interface can only move in one direction, the list iterator can move in both directions. It can check the next element with the hasNext() function, and it can also check the previous function with the hasPrevious() function. Take a look at the following diagram of ListIterator, which inherits from the Iterator interface:

Let's have a quick look at all of the provided functions:

• hasPrevious(): This function returns true if the iterator finds an element at its previous location from its current location. Otherwise, ...