In Java 1.0 and 1.1, the two primary collection classes were Vector and Hashtable, and the Iterator design pattern was implemented in a class called Enumeration.

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 iterator pattern is implemented in Java for all classes which implement a Collection. The Enumeration interface defines the methods by which you can enumerate (obtain one at a time) the elements ...

Enumeration vs Iterator Enumeration and Iterator are two interfaces in java.util package which are used to traverse over the elements of a Collection object. Though they perform the same function i.e ...