Iterators in Java

Iterators provide a standard way to traverse through collections without exposing their underlying structure. They are part of the Java Collections Framework and allow you to safely iterate and, if needed, remove elements during traversal. The basic syntax for using an iterator is as follows:

Syntax

Iterator<E> iterator = collection.iterator();
while(iterator.hasNext()) {
    E element = iterator.next();
    // Process the element
}

This syntax shows that you first obtain an iterator from a collection using the iterator() method