The difference between Iterator and Enumeration are following:-
| Iterator | Enumeration |
| 1 Iterators allow the caller to remove elements from the underlying collection during the iteration with its remove() method. | 1 Using enumerator You can not add/remove elements from a
collection. |
| 2 Iterator is available in all modern collection classes. | 2 Enumeration is available in legacy classes i.e Vector/Stack etc. |
| 3 Iterator has improved method names e.g. Enumeration.hasMoreElement() has become Iterator.hasNext(). | 3 Enumeration has Enumeration.nextElement() has become
Iterator.next(). |
| 4 Iterator Can be abstract, final, native, static, or synchronized. | 4 Enumerator behave as a read-only interface because it has a method to retrieve and traverse the object. |
| 5 Iterator is more secure and safe as compared to Enumeration because it doesn't allow other thread to modify the collection object while some thread is iterating over it and throws. |