What’s the Difference Between Iterator and ListIterator?

Date: 2023-09-29

Java's Iterator and ListIterator interfaces provide ways to traverse collections. Iterator allows sequential, forward-only iteration, offering simplicity and efficiency for read-only operations. ListIterator, extending Iterator, enables bidirectional traversal and adds functionalities like element insertion, replacement, and removal, making it ideal for list manipulation. The choice depends on the task; Iterator suits basic traversal, while ListIterator is better for complex list operations. However, ListIterator has slightly higher memory overhead.

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