CopyOnWriteArraySet iterator() method in Java

The iterator() method of CopyOnWriteArraySet returns an iterator over the elements in this Set in proper sequence. The iterator does NOT support the remove method. Syntax:

public Iterator iterator()

Return Value: The function returns an iterator over the elements in the Set. Below programs illustrate the above function: Program 1: Program 2:

Reference: https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CopyOnWriteArraySet.html#iterator--