Iterators are one of the predefined interfaces that are present in the java.util.*package. Iterator Interface’ main purpose is to provide the facility of iterating or extracting the elements of ...

All the classes released in Java 2 that implement the collection interface contain an iterator () method, which returns an instance of the Iterator. There's nearly universal support for the Iterator ...

The interfaces java.util.List and java.util.Set extend Collection, representing more specialized data structures and adding more operations and/or constraints. List represents a sequence of ...